/*
 * kmp_settings.cpp -- Initialize environment variables
 */

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "kmp.h"
#include "kmp_affinity.h"
#include "kmp_atomic.h"
#if KMP_USE_HIER_SCHED
#include "kmp_dispatch_hier.h"
#endif
#include "kmp_environment.h"
#include "kmp_i18n.h"
#include "kmp_io.h"
#include "kmp_itt.h"
#include "kmp_lock.h"
#include "kmp_settings.h"
#include "kmp_str.h"
#include "kmp_wrapper_getpid.h"
#include <ctype.h> // toupper()
#if OMPD_SUPPORT
#include "ompd-specific.h"
#endif

static int __kmp_env_toPrint(char const *name, int flag);

bool __kmp_env_format = 0; // 0 - old format; 1 - new format

// -----------------------------------------------------------------------------
// Helper string functions. Subject to move to kmp_str.

#ifdef USE_LOAD_BALANCE
static double __kmp_convert_to_double(char const *s) {
  double result;

  if (KMP_SSCANF(s, "%lf", &result) < 1) {
    result = 0.0;
  }

  return result;
}
#endif

#ifdef KMP_DEBUG
static unsigned int __kmp_readstr_with_sentinel(char *dest, char const *src,
                                                size_t len, char sentinel) {
  unsigned int i;
  for (i = 0; i < len; i++) {
    if ((*src == '\0') || (*src == sentinel)) {
      break;
    }
    *(dest++) = *(src++);
  }
  *dest = '\0';
  return i;
}
#endif

static int __kmp_match_with_sentinel(char const *a, char const *b, size_t len,
                                     char sentinel) {
  size_t l = 0;

  if (a == NULL)
    a = "";
  if (b == NULL)
    b = "";
  while (*a && *b && *b != sentinel) {
    char ca = *a, cb = *b;

    if (ca >= 'a' && ca <= 'z')
      ca -= 'a' - 'A';
    if (cb >= 'a' && cb <= 'z')
      cb -= 'a' - 'A';
    if (ca != cb)
      return FALSE;
    ++l;
    ++a;
    ++b;
  }
  return l >= len;
}

// Expected usage:
//     token is the token to check for.
//     buf is the string being parsed.
//     *end returns the char after the end of the token.
//        it is not modified unless a match occurs.
//
// Example 1:
//
//     if (__kmp_match_str("token", buf, *end) {
//         <do something>
//         buf = end;
//     }
//
//  Example 2:
//
//     if (__kmp_match_str("token", buf, *end) {
//         char *save = **end;
//         **end = sentinel;
//         <use any of the __kmp*_with_sentinel() functions>
//         **end = save;
//         buf = end;
//     }

static int __kmp_match_str(char const *token, char const *buf,
                           const char **end) {

  KMP_ASSERT(token != NULL);
  KMP_ASSERT(buf != NULL);
  KMP_ASSERT(end != NULL);

  while (*token && *buf) {
    char ct = *token, cb = *buf;

    if (ct >= 'a' && ct <= 'z')
      ct -= 'a' - 'A';
    if (cb >= 'a' && cb <= 'z')
      cb -= 'a' - 'A';
    if (ct != cb)
      return FALSE;
    ++token;
    ++buf;
  }
  if (*token) {
    return FALSE;
  }
  *end = buf;
  return TRUE;
}

#if KMP_OS_DARWIN
static size_t __kmp_round4k(size_t size) {
  size_t _4k = 4 * 1024;
  if (size & (_4k - 1)) {
    size &= ~(_4k - 1);
    if (size <= KMP_SIZE_T_MAX - _4k) {
      size += _4k; // Round up if there is no overflow.
    }
  }
  return size;
} // __kmp_round4k
#endif

/* Here, multipliers are like __kmp_convert_to_seconds, but floating-point
   values are allowed, and the return value is in milliseconds.  The default
   multiplier is milliseconds.  Returns INT_MAX only if the value specified
   matches "infinit*".  Returns -1 if specified string is invalid. */
int __kmp_convert_to_milliseconds(char const *data) {
  int ret, nvalues, factor;
  char mult, extra;
  double value;

  if (data == NULL)
    return (-1);
  if (__kmp_str_match("infinit", -1, data))
    return (INT_MAX);
  value = (double)0.0;
  mult = '\0';
#if KMP_OS_WINDOWS && KMP_MSVC_COMPAT
  // On Windows, each %c parameter needs additional size parameter for sscanf_s
  nvalues = KMP_SSCANF(data, "%lf%c%c", &value, &mult, 1, &extra, 1);
#else
  nvalues = KMP_SSCANF(data, "%lf%c%c", &value, &mult, &extra);
#endif
  if (nvalues < 1)
    return (-1);
  if (nvalues == 1)
    mult = '\0';
  if (nvalues == 3)
    return (-1);

  if (value < 0)
    return (-1);

  switch (mult) {
  case '\0':
    /*  default is milliseconds  */
    factor = 1;
    break;
  case 's':
  case 'S':
    factor = 1000;
    break;
  case 'm':
  case 'M':
    factor = 1000 * 60;
    break;
  case 'h':
  case 'H':
    factor = 1000 * 60 * 60;
    break;
  case 'd':
  case 'D':
    factor = 1000 * 24 * 60 * 60;
    break;
  default:
    return (-1);
  }

  if (value >= ((INT_MAX - 1) / factor))
    ret = INT_MAX - 1; /* Don't allow infinite value here */
  else
    ret = (int)(value * (double)factor); /* truncate to int  */

  return ret;
}

static int __kmp_strcasecmp_with_sentinel(char const *a, char const *b,
                                          char sentinel) {
  if (a == NULL)
    a = "";
  if (b == NULL)
    b = "";
  while (*a && *b && *b != sentinel) {
    char ca = *a, cb = *b;

    if (ca >= 'a' && ca <= 'z')
      ca -= 'a' - 'A';
    if (cb >= 'a' && cb <= 'z')
      cb -= 'a' - 'A';
    if (ca != cb)
      return (int)(unsigned char)*a - (int)(unsigned char)*b;
    ++a;
    ++b;
  }
  return *a                       ? (*b && *b != sentinel)
                                        ? (int)(unsigned char)*a - (int)(unsigned char)*b
                                        : 1
         : (*b && *b != sentinel) ? -1
                                  : 0;
}

// =============================================================================
// Table structures and helper functions.

typedef struct __kmp_setting kmp_setting_t;
typedef struct __kmp_stg_ss_data kmp_stg_ss_data_t;
typedef struct __kmp_stg_wp_data kmp_stg_wp_data_t;
typedef struct __kmp_stg_fr_data kmp_stg_fr_data_t;

typedef void (*kmp_stg_parse_func_t)(char const *name, char const *value,
                                     void *data);
typedef void (*kmp_stg_print_func_t)(kmp_str_buf_t *buffer, char const *name,
                                     void *data);

struct __kmp_setting {
  char const *name; // Name of setting (environment variable).
  kmp_stg_parse_func_t parse; // Parser function.
  kmp_stg_print_func_t print; // Print function.
  void *data; // Data passed to parser and printer.
  int set; // Variable set during this "session"
  //     (__kmp_env_initialize() or kmp_set_defaults() call).
  int defined; // Variable set in any "session".
}; // struct __kmp_setting

struct __kmp_stg_ss_data {
  size_t factor; // Default factor: 1 for KMP_STACKSIZE, 1024 for others.
  kmp_setting_t **rivals; // Array of pointers to rivals (including itself).
}; // struct __kmp_stg_ss_data

struct __kmp_stg_wp_data {
  int omp; // 0 -- KMP_LIBRARY, 1 -- OMP_WAIT_POLICY.
  kmp_setting_t **rivals; // Array of pointers to rivals (including itself).
}; // struct __kmp_stg_wp_data

struct __kmp_stg_fr_data {
  int force; // 0 -- KMP_DETERMINISTIC_REDUCTION, 1 -- KMP_FORCE_REDUCTION.
  kmp_setting_t **rivals; // Array of pointers to rivals (including itself).
}; // struct __kmp_stg_fr_data

static int __kmp_stg_check_rivals( // 0 -- Ok, 1 -- errors found.
    char const *name, // Name of variable.
    char const *value, // Value of the variable.
    kmp_setting_t **rivals // List of rival settings (must include current one).
);

// -----------------------------------------------------------------------------
// Helper parse functions.

static void __kmp_stg_parse_bool(char const *name, char const *value,
                                 int *out) {
  if (__kmp_str_match_true(value)) {
    *out = TRUE;
  } else if (__kmp_str_match_false(value)) {
    *out = FALSE;
  } else {
    __kmp_msg(kmp_ms_warning, KMP_MSG(BadBoolValue, name, value),
              KMP_HNT(ValidBoolValues), __kmp_msg_null);
  }
} // __kmp_stg_parse_bool

// placed here in order to use __kmp_round4k static function
void __kmp_check_stksize(size_t *val) {
  // if system stack size is too big then limit the size for worker threads
  if (*val > KMP_DEFAULT_STKSIZE * 16) // just a heuristics...
    *val = KMP_DEFAULT_STKSIZE * 16;
  if (*val < __kmp_sys_min_stksize)
    *val = __kmp_sys_min_stksize;
  if (*val > KMP_MAX_STKSIZE)
    *val = KMP_MAX_STKSIZE; // dead code currently, but may work in future
#if KMP_OS_DARWIN
  *val = __kmp_round4k(*val);
#endif // KMP_OS_DARWIN
}

static void __kmp_stg_parse_size(char const *name, char const *value,
                                 size_t size_min, size_t size_max,
                                 int *is_specified, size_t *out,
                                 size_t factor) {
  char const *msg = NULL;
#if KMP_OS_DARWIN
  size_min = __kmp_round4k(size_min);
  size_max = __kmp_round4k(size_max);
#endif // KMP_OS_DARWIN
  if (value) {
    if (is_specified != NULL) {
      *is_specified = 1;
    }
    __kmp_str_to_size(value, out, factor, &msg);
    if (msg == NULL) {
      if (*out > size_max) {
        *out = size_max;
        msg = KMP_I18N_STR(ValueTooLarge);
      } else if (*out < size_min) {
        *out = size_min;
        msg = KMP_I18N_STR(ValueTooSmall);
      } else {
#if KMP_OS_DARWIN
        size_t round4k = __kmp_round4k(*out);
        if (*out != round4k) {
          *out = round4k;
          msg = KMP_I18N_STR(NotMultiple4K);
        }
#endif
      }
    } else {
      // If integer overflow occurred, * out == KMP_SIZE_T_MAX. Cut it to
      // size_max silently.
      if (*out < size_min) {
        *out = size_max;
      } else if (*out > size_max) {
        *out = size_max;
      }
    }
    if (msg != NULL) {
      // Message is not empty. Print warning.
      kmp_str_buf_t buf;
      __kmp_str_buf_init(&buf);
      __kmp_str_buf_print_size(&buf, *out);
      KMP_WARNING(ParseSizeIntWarn, name, value, msg);
      KMP_INFORM(Using_str_Value, name, buf.str);
      __kmp_str_buf_free(&buf);
    }
  }
} // __kmp_stg_parse_size

static void __kmp_stg_parse_str(char const *name, char const *value,
                                char **out) {
  __kmp_str_free(out);
  *out = __kmp_str_format("%s", value);
} // __kmp_stg_parse_str

static void __kmp_stg_parse_int(
    char const
        *name, // I: Name of environment variable (used in warning messages).
    char const *value, // I: Value of environment variable to parse.
    int min, // I: Minimum allowed value.
    int max, // I: Maximum allowed value.
    int *out // O: Output (parsed) value.
) {
  char const *msg = NULL;
  kmp_uint64 uint = *out;
  __kmp_str_to_uint(value, &uint, &msg);
  if (msg == NULL) {
    if (uint < (unsigned int)min) {
      msg = KMP_I18N_STR(ValueTooSmall);
      uint = min;
    } else if (uint > (unsigned int)max) {
      msg = KMP_I18N_STR(ValueTooLarge);
      uint = max;
    }
  } else {
    // If overflow occurred msg contains error message and uint is very big. Cut
    // tmp it to INT_MAX.
    if (uint < (unsigned int)min) {
      uint = min;
    } else if (uint > (unsigned int)max) {
      uint = max;
    }
  }
  if (msg != NULL) {
    // Message is not empty. Print warning.
    kmp_str_buf_t buf;
    KMP_WARNING(ParseSizeIntWarn, name, value, msg);
    __kmp_str_buf_init(&buf);
    __kmp_str_buf_print(&buf, "%" KMP_UINT64_SPEC "", uint);
    KMP_INFORM(Using_uint64_Value, name, buf.str);
    __kmp_str_buf_free(&buf);
  }
  __kmp_type_convert(uint, out);
} // __kmp_stg_parse_int

#if KMP_DEBUG_ADAPTIVE_LOCKS
static void __kmp_stg_parse_file(char const *name, char const *value,
                                 const char *suffix, char **out) {
  char buffer[256];
  char *t;
  int hasSuffix;
  __kmp_str_free(out);
  t = (char *)strrchr(value, '.');
  hasSuffix = t && __kmp_str_eqf(t, suffix);
  t = __kmp_str_format("%s%s", value, hasSuffix ? "" : suffix);
  __kmp_expand_file_name(buffer, sizeof(buffer), t);
  __kmp_str_free(&t);
  *out = __kmp_str_format("%s", buffer);
} // __kmp_stg_parse_file
#endif

#ifdef KMP_DEBUG
static char *par_range_to_print = NULL;

static void __kmp_stg_parse_par_range(char const *name, char const *value,
                                      int *out_range, char *out_routine,
                                      char *out_file, int *out_lb,
                                      int *out_ub) {
  const char *par_range_value;
  size_t len = KMP_STRLEN(value) + 1;
  par_range_to_print = (char *)KMP_INTERNAL_MALLOC(len + 1);
  KMP_STRNCPY_S(par_range_to_print, len + 1, value, len + 1);
  __kmp_par_range = +1;
  __kmp_par_range_lb = 0;
  __kmp_par_range_ub = INT_MAX;
  for (;;) {
    unsigned int len;
    if (!value || *value == '\0') {
      break;
    }
    if (!__kmp_strcasecmp_with_sentinel("routine", value, '=')) {
      par_range_value = strchr(value, '=') + 1;
      if (!par_range_value)
        goto par_range_error;
      value = par_range_value;
      len = __kmp_readstr_with_sentinel(out_routine, value,
                                        KMP_PAR_RANGE_ROUTINE_LEN - 1, ',');
      if (len == 0) {
        goto par_range_error;
      }
      value = strchr(value, ',');
      if (value != NULL) {
        value++;
      }
      continue;
    }
    if (!__kmp_strcasecmp_with_sentinel("filename", value, '=')) {
      par_range_value = strchr(value, '=') + 1;
      if (!par_range_value)
        goto par_range_error;
      value = par_range_value;
      len = __kmp_readstr_with_sentinel(out_file, value,
                                        KMP_PAR_RANGE_FILENAME_LEN - 1, ',');
      if (len == 0) {
        goto par_range_error;
      }
      value = strchr(value, ',');
      if (value != NULL) {
        value++;
      }
      continue;
    }
    if ((!__kmp_strcasecmp_with_sentinel("range", value, '=')) ||
        (!__kmp_strcasecmp_with_sentinel("incl_range", value, '='))) {
      par_range_value = strchr(value, '=') + 1;
      if (!par_range_value)
        goto par_range_error;
      value = par_range_value;
      if (KMP_SSCANF(value, "%d:%d", out_lb, out_ub) != 2) {
        goto par_range_error;
      }
      *out_range = +1;
      value = strchr(value, ',');
      if (value != NULL) {
        value++;
      }
      continue;
    }
    if (!__kmp_strcasecmp_with_sentinel("excl_range", value, '=')) {
      par_range_value = strchr(value, '=') + 1;
      if (!par_range_value)
        goto par_range_error;
      value = par_range_value;
      if (KMP_SSCANF(value, "%d:%d", out_lb, out_ub) != 2) {
        goto par_range_error;
      }
      *out_range = -1;
      value = strchr(value, ',');
      if (value != NULL) {
        value++;
      }
      continue;
    }
  par_range_error:
    KMP_WARNING(ParRangeSyntax, name);
    __kmp_par_range = 0;
    break;
  }
} // __kmp_stg_parse_par_range
#endif

int __kmp_initial_threads_capacity(int req_nproc) {
  int nth = 32;

  /* MIN( MAX( 32, 4 * $OMP_NUM_THREADS, 4 * omp_get_num_procs() ),
   * __kmp_max_nth) */
  if (nth < (4 * req_nproc))
    nth = (4 * req_nproc);
  if (nth < (4 * __kmp_xproc))
    nth = (4 * __kmp_xproc);

  // If hidden helper task is enabled, we initialize the thread capacity with
  // extra __kmp_hidden_helper_threads_num.
  if (__kmp_enable_hidden_helper) {
    nth += __kmp_hidden_helper_threads_num;
  }

  if (nth > __kmp_max_nth)
    nth = __kmp_max_nth;

  return nth;
}

int __kmp_default_tp_capacity(int req_nproc, int max_nth,
                              int all_threads_specified) {
  int nth = 128;

  if (all_threads_specified)
    return max_nth;
  /* MIN( MAX (128, 4 * $OMP_NUM_THREADS, 4 * omp_get_num_procs() ),
   * __kmp_max_nth ) */
  if (nth < (4 * req_nproc))
    nth = (4 * req_nproc);
  if (nth < (4 * __kmp_xproc))
    nth = (4 * __kmp_xproc);

  if (nth > __kmp_max_nth)
    nth = __kmp_max_nth;

  return nth;
}

// -----------------------------------------------------------------------------
// Helper print functions.

static void __kmp_stg_print_bool(kmp_str_buf_t *buffer, char const *name,
                                 int value) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_BOOL;
  } else {
    __kmp_str_buf_print(buffer, "   %s=%s\n", name, value ? "true" : "false");
  }
} // __kmp_stg_print_bool

static void __kmp_stg_print_int(kmp_str_buf_t *buffer, char const *name,
                                int value) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_INT;
  } else {
    __kmp_str_buf_print(buffer, "   %s=%d\n", name, value);
  }
} // __kmp_stg_print_int

static void __kmp_stg_print_uint64(kmp_str_buf_t *buffer, char const *name,
                                   kmp_uint64 value) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_UINT64;
  } else {
    __kmp_str_buf_print(buffer, "   %s=%" KMP_UINT64_SPEC "\n", name, value);
  }
} // __kmp_stg_print_uint64

static void __kmp_stg_print_str(kmp_str_buf_t *buffer, char const *name,
                                char const *value) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_STR;
  } else {
    __kmp_str_buf_print(buffer, "   %s=%s\n", name, value);
  }
} // __kmp_stg_print_str

static void __kmp_stg_print_size(kmp_str_buf_t *buffer, char const *name,
                                 size_t value) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME_EX(name);
    __kmp_str_buf_print_size(buffer, value);
    __kmp_str_buf_print(buffer, "'\n");
  } else {
    __kmp_str_buf_print(buffer, "   %s=", name);
    __kmp_str_buf_print_size(buffer, value);
    __kmp_str_buf_print(buffer, "\n");
    return;
  }
} // __kmp_stg_print_size

// =============================================================================
// Parse and print functions.

// -----------------------------------------------------------------------------
// KMP_DEVICE_THREAD_LIMIT, KMP_ALL_THREADS

static void __kmp_stg_parse_device_thread_limit(char const *name,
                                                char const *value, void *data) {
  kmp_setting_t **rivals = (kmp_setting_t **)data;
  int rc;
  if (strcmp(name, "KMP_ALL_THREADS") == 0) {
    KMP_INFORM(EnvVarDeprecated, name, "KMP_DEVICE_THREAD_LIMIT");
  }
  rc = __kmp_stg_check_rivals(name, value, rivals);
  if (rc) {
    return;
  }
  if (!__kmp_strcasecmp_with_sentinel("all", value, 0)) {
    __kmp_max_nth = __kmp_xproc;
    __kmp_allThreadsSpecified = 1;
  } else {
    __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_max_nth);
    __kmp_allThreadsSpecified = 0;
  }
  K_DIAG(1, ("__kmp_max_nth == %d\n", __kmp_max_nth));

} // __kmp_stg_parse_device_thread_limit

static void __kmp_stg_print_device_thread_limit(kmp_str_buf_t *buffer,
                                                char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_max_nth);
} // __kmp_stg_print_device_thread_limit

// -----------------------------------------------------------------------------
// OMP_THREAD_LIMIT
static void __kmp_stg_parse_thread_limit(char const *name, char const *value,
                                         void *data) {
  __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_cg_max_nth);
  K_DIAG(1, ("__kmp_cg_max_nth == %d\n", __kmp_cg_max_nth));

} // __kmp_stg_parse_thread_limit

static void __kmp_stg_print_thread_limit(kmp_str_buf_t *buffer,
                                         char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_cg_max_nth);
} // __kmp_stg_print_thread_limit

// -----------------------------------------------------------------------------
// OMP_NUM_TEAMS
static void __kmp_stg_parse_nteams(char const *name, char const *value,
                                   void *data) {
  __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_nteams);
  K_DIAG(1, ("__kmp_nteams == %d\n", __kmp_nteams));
} // __kmp_stg_parse_nteams

static void __kmp_stg_print_nteams(kmp_str_buf_t *buffer, char const *name,
                                   void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_nteams);
} // __kmp_stg_print_nteams

// -----------------------------------------------------------------------------
// OMP_TEAMS_THREAD_LIMIT
static void __kmp_stg_parse_teams_th_limit(char const *name, char const *value,
                                           void *data) {
  __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth,
                      &__kmp_teams_thread_limit);
  K_DIAG(1, ("__kmp_teams_thread_limit == %d\n", __kmp_teams_thread_limit));
} // __kmp_stg_parse_teams_th_limit

static void __kmp_stg_print_teams_th_limit(kmp_str_buf_t *buffer,
                                           char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_teams_thread_limit);
} // __kmp_stg_print_teams_th_limit

// -----------------------------------------------------------------------------
// KMP_TEAMS_THREAD_LIMIT
static void __kmp_stg_parse_teams_thread_limit(char const *name,
                                               char const *value, void *data) {
  __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_teams_max_nth);
} // __kmp_stg_teams_thread_limit

static void __kmp_stg_print_teams_thread_limit(kmp_str_buf_t *buffer,
                                               char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_teams_max_nth);
} // __kmp_stg_print_teams_thread_limit

// -----------------------------------------------------------------------------
// KMP_USE_YIELD
static void __kmp_stg_parse_use_yield(char const *name, char const *value,
                                      void *data) {
  __kmp_stg_parse_int(name, value, 0, 2, &__kmp_use_yield);
  __kmp_use_yield_exp_set = 1;
} // __kmp_stg_parse_use_yield

static void __kmp_stg_print_use_yield(kmp_str_buf_t *buffer, char const *name,
                                      void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_use_yield);
} // __kmp_stg_print_use_yield

// -----------------------------------------------------------------------------
// KMP_BLOCKTIME

static void __kmp_stg_parse_blocktime(char const *name, char const *value,
                                      void *data) {
  __kmp_dflt_blocktime = __kmp_convert_to_milliseconds(value);
  if (__kmp_dflt_blocktime < 0) {
    __kmp_dflt_blocktime = KMP_DEFAULT_BLOCKTIME;
    __kmp_msg(kmp_ms_warning, KMP_MSG(InvalidValue, name, value),
              __kmp_msg_null);
    KMP_INFORM(Using_int_Value, name, __kmp_dflt_blocktime);
    __kmp_env_blocktime = FALSE; // Revert to default as if var not set.
  } else {
    if (__kmp_dflt_blocktime < KMP_MIN_BLOCKTIME) {
      __kmp_dflt_blocktime = KMP_MIN_BLOCKTIME;
      __kmp_msg(kmp_ms_warning, KMP_MSG(SmallValue, name, value),
                __kmp_msg_null);
      KMP_INFORM(MinValueUsing, name, __kmp_dflt_blocktime);
    } else if (__kmp_dflt_blocktime > KMP_MAX_BLOCKTIME) {
      __kmp_dflt_blocktime = KMP_MAX_BLOCKTIME;
      __kmp_msg(kmp_ms_warning, KMP_MSG(LargeValue, name, value),
                __kmp_msg_null);
      KMP_INFORM(MaxValueUsing, name, __kmp_dflt_blocktime);
    }
    __kmp_env_blocktime = TRUE; // KMP_BLOCKTIME was specified.
  }
#if KMP_USE_MONITOR
  // calculate number of monitor thread wakeup intervals corresponding to
  // blocktime.
  __kmp_monitor_wakeups =
      KMP_WAKEUPS_FROM_BLOCKTIME(__kmp_dflt_blocktime, __kmp_monitor_wakeups);
  __kmp_bt_intervals =
      KMP_INTERVALS_FROM_BLOCKTIME(__kmp_dflt_blocktime, __kmp_monitor_wakeups);
#endif
  K_DIAG(1, ("__kmp_env_blocktime == %d\n", __kmp_env_blocktime));
  if (__kmp_env_blocktime) {
    K_DIAG(1, ("__kmp_dflt_blocktime == %d\n", __kmp_dflt_blocktime));
  }
} // __kmp_stg_parse_blocktime

static void __kmp_stg_print_blocktime(kmp_str_buf_t *buffer, char const *name,
                                      void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_dflt_blocktime);
} // __kmp_stg_print_blocktime

// -----------------------------------------------------------------------------
// KMP_DUPLICATE_LIB_OK

static void __kmp_stg_parse_duplicate_lib_ok(char const *name,
                                             char const *value, void *data) {
  /* actually this variable is not supported, put here for compatibility with
     earlier builds and for static/dynamic combination */
  __kmp_stg_parse_bool(name, value, &__kmp_duplicate_library_ok);
} // __kmp_stg_parse_duplicate_lib_ok

static void __kmp_stg_print_duplicate_lib_ok(kmp_str_buf_t *buffer,
                                             char const *name, void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_duplicate_library_ok);
} // __kmp_stg_print_duplicate_lib_ok

// -----------------------------------------------------------------------------
// KMP_INHERIT_FP_CONTROL

#if KMP_ARCH_X86 || KMP_ARCH_X86_64

static void __kmp_stg_parse_inherit_fp_control(char const *name,
                                               char const *value, void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_inherit_fp_control);
} // __kmp_stg_parse_inherit_fp_control

static void __kmp_stg_print_inherit_fp_control(kmp_str_buf_t *buffer,
                                               char const *name, void *data) {
#if KMP_DEBUG
  __kmp_stg_print_bool(buffer, name, __kmp_inherit_fp_control);
#endif /* KMP_DEBUG */
} // __kmp_stg_print_inherit_fp_control

#endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */

// Used for OMP_WAIT_POLICY
static char const *blocktime_str = NULL;

// -----------------------------------------------------------------------------
// KMP_LIBRARY, OMP_WAIT_POLICY

static void __kmp_stg_parse_wait_policy(char const *name, char const *value,
                                        void *data) {

  kmp_stg_wp_data_t *wait = (kmp_stg_wp_data_t *)data;
  int rc;

  rc = __kmp_stg_check_rivals(name, value, wait->rivals);
  if (rc) {
    return;
  }

  if (wait->omp) {
    if (__kmp_str_match("ACTIVE", 1, value)) {
      __kmp_library = library_turnaround;
      if (blocktime_str == NULL) {
        // KMP_BLOCKTIME not specified, so set default to "infinite".
        __kmp_dflt_blocktime = KMP_MAX_BLOCKTIME;
      }
    } else if (__kmp_str_match("PASSIVE", 1, value)) {
      __kmp_library = library_throughput;
      if (blocktime_str == NULL) {
        // KMP_BLOCKTIME not specified, so set default to 0.
        __kmp_dflt_blocktime = 0;
      }
    } else {
      KMP_WARNING(StgInvalidValue, name, value);
    }
  } else {
    if (__kmp_str_match("serial", 1, value)) { /* S */
      __kmp_library = library_serial;
    } else if (__kmp_str_match("throughput", 2, value)) { /* TH */
      __kmp_library = library_throughput;
      if (blocktime_str == NULL) {
        // KMP_BLOCKTIME not specified, so set default to 0.
        __kmp_dflt_blocktime = 0;
      }
    } else if (__kmp_str_match("turnaround", 2, value)) { /* TU */
      __kmp_library = library_turnaround;
    } else if (__kmp_str_match("dedicated", 1, value)) { /* D */
      __kmp_library = library_turnaround;
    } else if (__kmp_str_match("multiuser", 1, value)) { /* M */
      __kmp_library = library_throughput;
      if (blocktime_str == NULL) {
        // KMP_BLOCKTIME not specified, so set default to 0.
        __kmp_dflt_blocktime = 0;
      }
    } else {
      KMP_WARNING(StgInvalidValue, name, value);
    }
  }
} // __kmp_stg_parse_wait_policy

static void __kmp_stg_print_wait_policy(kmp_str_buf_t *buffer, char const *name,
                                        void *data) {

  kmp_stg_wp_data_t *wait = (kmp_stg_wp_data_t *)data;
  char const *value = NULL;

  if (wait->omp) {
    switch (__kmp_library) {
    case library_turnaround: {
      value = "ACTIVE";
    } break;
    case library_throughput: {
      value = "PASSIVE";
    } break;
    }
  } else {
    switch (__kmp_library) {
    case library_serial: {
      value = "serial";
    } break;
    case library_turnaround: {
      value = "turnaround";
    } break;
    case library_throughput: {
      value = "throughput";
    } break;
    }
  }
  if (value != NULL) {
    __kmp_stg_print_str(buffer, name, value);
  }

} // __kmp_stg_print_wait_policy

#if KMP_USE_MONITOR
// -----------------------------------------------------------------------------
// KMP_MONITOR_STACKSIZE

static void __kmp_stg_parse_monitor_stacksize(char const *name,
                                              char const *value, void *data) {
  __kmp_stg_parse_size(name, value, __kmp_sys_min_stksize, KMP_MAX_STKSIZE,
                       NULL, &__kmp_monitor_stksize, 1);
} // __kmp_stg_parse_monitor_stacksize

static void __kmp_stg_print_monitor_stacksize(kmp_str_buf_t *buffer,
                                              char const *name, void *data) {
  if (__kmp_env_format) {
    if (__kmp_monitor_stksize > 0)
      KMP_STR_BUF_PRINT_NAME_EX(name);
    else
      KMP_STR_BUF_PRINT_NAME;
  } else {
    __kmp_str_buf_print(buffer, "   %s", name);
  }
  if (__kmp_monitor_stksize > 0) {
    __kmp_str_buf_print_size(buffer, __kmp_monitor_stksize);
  } else {
    __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
  }
  if (__kmp_env_format && __kmp_monitor_stksize) {
    __kmp_str_buf_print(buffer, "'\n");
  }
} // __kmp_stg_print_monitor_stacksize
#endif // KMP_USE_MONITOR

// -----------------------------------------------------------------------------
// KMP_SETTINGS

static void __kmp_stg_parse_settings(char const *name, char const *value,
                                     void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_settings);
} // __kmp_stg_parse_settings

static void __kmp_stg_print_settings(kmp_str_buf_t *buffer, char const *name,
                                     void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_settings);
} // __kmp_stg_print_settings

// -----------------------------------------------------------------------------
// KMP_STACKPAD

static void __kmp_stg_parse_stackpad(char const *name, char const *value,
                                     void *data) {
  __kmp_stg_parse_int(name, // Env var name
                      value, // Env var value
                      KMP_MIN_STKPADDING, // Min value
                      KMP_MAX_STKPADDING, // Max value
                      &__kmp_stkpadding // Var to initialize
  );
} // __kmp_stg_parse_stackpad

static void __kmp_stg_print_stackpad(kmp_str_buf_t *buffer, char const *name,
                                     void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_stkpadding);
} // __kmp_stg_print_stackpad

// -----------------------------------------------------------------------------
// KMP_STACKOFFSET

static void __kmp_stg_parse_stackoffset(char const *name, char const *value,
                                        void *data) {
  __kmp_stg_parse_size(name, // Env var name
                       value, // Env var value
                       KMP_MIN_STKOFFSET, // Min value
                       KMP_MAX_STKOFFSET, // Max value
                       NULL, //
                       &__kmp_stkoffset, // Var to initialize
                       1);
} // __kmp_stg_parse_stackoffset

static void __kmp_stg_print_stackoffset(kmp_str_buf_t *buffer, char const *name,
                                        void *data) {
  __kmp_stg_print_size(buffer, name, __kmp_stkoffset);
} // __kmp_stg_print_stackoffset

// -----------------------------------------------------------------------------
// KMP_STACKSIZE, OMP_STACKSIZE, GOMP_STACKSIZE

static void __kmp_stg_parse_stacksize(char const *name, char const *value,
                                      void *data) {

  kmp_stg_ss_data_t *stacksize = (kmp_stg_ss_data_t *)data;
  int rc;

  rc = __kmp_stg_check_rivals(name, value, stacksize->rivals);
  if (rc) {
    return;
  }
  __kmp_stg_parse_size(name, // Env var name
                       value, // Env var value
                       __kmp_sys_min_stksize, // Min value
                       KMP_MAX_STKSIZE, // Max value
                       &__kmp_env_stksize, //
                       &__kmp_stksize, // Var to initialize
                       stacksize->factor);

} // __kmp_stg_parse_stacksize

// This function is called for printing both KMP_STACKSIZE (factor is 1) and
// OMP_STACKSIZE (factor is 1024). Currently it is not possible to print
// OMP_STACKSIZE value in bytes. We can consider adding this possibility by a
// customer request in future.
static void __kmp_stg_print_stacksize(kmp_str_buf_t *buffer, char const *name,
                                      void *data) {
  kmp_stg_ss_data_t *stacksize = (kmp_stg_ss_data_t *)data;
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME_EX(name);
    __kmp_str_buf_print_size(buffer, (__kmp_stksize % 1024)
                                         ? __kmp_stksize / stacksize->factor
                                         : __kmp_stksize);
    __kmp_str_buf_print(buffer, "'\n");
  } else {
    __kmp_str_buf_print(buffer, "   %s=", name);
    __kmp_str_buf_print_size(buffer, (__kmp_stksize % 1024)
                                         ? __kmp_stksize / stacksize->factor
                                         : __kmp_stksize);
    __kmp_str_buf_print(buffer, "\n");
  }
} // __kmp_stg_print_stacksize

// -----------------------------------------------------------------------------
// KMP_VERSION

static void __kmp_stg_parse_version(char const *name, char const *value,
                                    void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_version);
} // __kmp_stg_parse_version

static void __kmp_stg_print_version(kmp_str_buf_t *buffer, char const *name,
                                    void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_version);
} // __kmp_stg_print_version

// -----------------------------------------------------------------------------
// KMP_WARNINGS

static void __kmp_stg_parse_warnings(char const *name, char const *value,
                                     void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_generate_warnings);
  if (__kmp_generate_warnings != kmp_warnings_off) {
    // AC: only 0/1 values documented, so reset to explicit to distinguish from
    // default setting
    __kmp_generate_warnings = kmp_warnings_explicit;
  }
} // __kmp_stg_parse_warnings

static void __kmp_stg_print_warnings(kmp_str_buf_t *buffer, char const *name,
                                     void *data) {
  // AC: TODO: change to print_int? (needs documentation change)
  __kmp_stg_print_bool(buffer, name, __kmp_generate_warnings);
} // __kmp_stg_print_warnings

// -----------------------------------------------------------------------------
// KMP_NESTING_MODE

static void __kmp_stg_parse_nesting_mode(char const *name, char const *value,
                                         void *data) {
  __kmp_stg_parse_int(name, value, 0, INT_MAX, &__kmp_nesting_mode);
#if KMP_AFFINITY_SUPPORTED && KMP_USE_HWLOC
  if (__kmp_nesting_mode > 0)
    __kmp_affinity_top_method = affinity_top_method_hwloc;
#endif
} // __kmp_stg_parse_nesting_mode

static void __kmp_stg_print_nesting_mode(kmp_str_buf_t *buffer,
                                         char const *name, void *data) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME;
  } else {
    __kmp_str_buf_print(buffer, "   %s", name);
  }
  __kmp_str_buf_print(buffer, "=%d\n", __kmp_nesting_mode);
} // __kmp_stg_print_nesting_mode

// -----------------------------------------------------------------------------
// OMP_NESTED, OMP_NUM_THREADS

static void __kmp_stg_parse_nested(char const *name, char const *value,
                                   void *data) {
  int nested;
  KMP_INFORM(EnvVarDeprecated, name, "OMP_MAX_ACTIVE_LEVELS");
  __kmp_stg_parse_bool(name, value, &nested);
  if (nested) {
    if (!__kmp_dflt_max_active_levels_set)
      __kmp_dflt_max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT;
  } else { // nesting explicitly turned off
    __kmp_dflt_max_active_levels = 1;
    __kmp_dflt_max_active_levels_set = true;
  }
} // __kmp_stg_parse_nested

static void __kmp_stg_print_nested(kmp_str_buf_t *buffer, char const *name,
                                   void *data) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME;
  } else {
    __kmp_str_buf_print(buffer, "   %s", name);
  }
  __kmp_str_buf_print(buffer, ": deprecated; max-active-levels-var=%d\n",
                      __kmp_dflt_max_active_levels);
} // __kmp_stg_print_nested

static void __kmp_parse_nested_num_threads(const char *var, const char *env,
                                           kmp_nested_nthreads_t *nth_array) {
  const char *next = env;
  const char *scan = next;

  int total = 0; // Count elements that were set. It'll be used as an array size
  int prev_comma = FALSE; // For correct processing sequential commas

  // Count the number of values in the env. var string
  for (;;) {
    SKIP_WS(next);

    if (*next == '\0') {
      break;
    }
    // Next character is not an integer or not a comma => end of list
    if (((*next < '0') || (*next > '9')) && (*next != ',')) {
      KMP_WARNING(NthSyntaxError, var, env);
      return;
    }
    // The next character is ','
    if (*next == ',') {
      // ',' is the first character
      if (total == 0 || prev_comma) {
        total++;
      }
      prev_comma = TRUE;
      next++; // skip ','
      SKIP_WS(next);
    }
    // Next character is a digit
    if (*next >= '0' && *next <= '9') {
      prev_comma = FALSE;
      SKIP_DIGITS(next);
      total++;
      const char *tmp = next;
      SKIP_WS(tmp);
      if ((*next == ' ' || *next == '\t') && (*tmp >= '0' && *tmp <= '9')) {
        KMP_WARNING(NthSpacesNotAllowed, var, env);
        return;
      }
    }
  }
  if (!__kmp_dflt_max_active_levels_set && total > 1)
    __kmp_dflt_max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT;
  KMP_DEBUG_ASSERT(total > 0);
  if (total <= 0) {
    KMP_WARNING(NthSyntaxError, var, env);
    return;
  }

  // Check if the nested nthreads array exists
  if (!nth_array->nth) {
    // Allocate an array of double size
    nth_array->nth = (int *)KMP_INTERNAL_MALLOC(sizeof(int) * total * 2);
    if (nth_array->nth == NULL) {
      KMP_FATAL(MemoryAllocFailed);
    }
    nth_array->size = total * 2;
  } else {
    if (nth_array->size < total) {
      // Increase the array size
      do {
        nth_array->size *= 2;
      } while (nth_array->size < total);

      nth_array->nth = (int *)KMP_INTERNAL_REALLOC(
          nth_array->nth, sizeof(int) * nth_array->size);
      if (nth_array->nth == NULL) {
        KMP_FATAL(MemoryAllocFailed);
      }
    }
  }
  nth_array->used = total;
  int i = 0;

  prev_comma = FALSE;
  total = 0;
  // Save values in the array
  for (;;) {
    SKIP_WS(scan);
    if (*scan == '\0') {
      break;
    }
    // The next character is ','
    if (*scan == ',') {
      // ',' in the beginning of the list
      if (total == 0) {
        // The value is supposed to be equal to __kmp_avail_proc but it is
        // unknown at the moment.
        // So let's put a placeholder (#threads = 0) to correct it later.
        nth_array->nth[i++] = 0;
        total++;
      } else if (prev_comma) {
        // Num threads is inherited from the previous level
        nth_array->nth[i] = nth_array->nth[i - 1];
        i++;
        total++;
      }
      prev_comma = TRUE;
      scan++; // skip ','
      SKIP_WS(scan);
    }
    // Next character is a digit
    if (*scan >= '0' && *scan <= '9') {
      int num;
      const char *buf = scan;
      char const *msg = NULL;
      prev_comma = FALSE;
      SKIP_DIGITS(scan);
      total++;

      num = __kmp_str_to_int(buf, *scan);
      if (num < KMP_MIN_NTH) {
        msg = KMP_I18N_STR(ValueTooSmall);
        num = KMP_MIN_NTH;
      } else if (num > __kmp_sys_max_nth) {
        msg = KMP_I18N_STR(ValueTooLarge);
        num = __kmp_sys_max_nth;
      }
      if (msg != NULL) {
        // Message is not empty. Print warning.
        KMP_WARNING(ParseSizeIntWarn, var, env, msg);
        KMP_INFORM(Using_int_Value, var, num);
      }
      nth_array->nth[i++] = num;
    }
  }
}

static void __kmp_stg_parse_num_threads(char const *name, char const *value,
                                        void *data) {
  // TODO: Remove this option. OMP_NUM_THREADS is a list of positive integers!
  if (!__kmp_strcasecmp_with_sentinel("all", value, 0)) {
    // The array of 1 element
    __kmp_nested_nth.nth = (int *)KMP_INTERNAL_MALLOC(sizeof(int));
    __kmp_nested_nth.size = __kmp_nested_nth.used = 1;
    __kmp_nested_nth.nth[0] = __kmp_dflt_team_nth = __kmp_dflt_team_nth_ub =
        __kmp_xproc;
  } else {
    __kmp_parse_nested_num_threads(name, value, &__kmp_nested_nth);
    if (__kmp_nested_nth.nth) {
      __kmp_dflt_team_nth = __kmp_nested_nth.nth[0];
      if (__kmp_dflt_team_nth_ub < __kmp_dflt_team_nth) {
        __kmp_dflt_team_nth_ub = __kmp_dflt_team_nth;
      }
    }
  }
  K_DIAG(1, ("__kmp_dflt_team_nth == %d\n", __kmp_dflt_team_nth));
} // __kmp_stg_parse_num_threads

static void __kmp_stg_parse_num_hidden_helper_threads(char const *name,
                                                      char const *value,
                                                      void *data) {
  __kmp_stg_parse_int(name, value, 0, 16, &__kmp_hidden_helper_threads_num);
  // If the number of hidden helper threads is zero, we disable hidden helper
  // task
  if (__kmp_hidden_helper_threads_num == 0) {
    __kmp_enable_hidden_helper = FALSE;
  }
} // __kmp_stg_parse_num_hidden_helper_threads

static void __kmp_stg_print_num_hidden_helper_threads(kmp_str_buf_t *buffer,
                                                      char const *name,
                                                      void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_hidden_helper_threads_num);
} // __kmp_stg_print_num_hidden_helper_threads

static void __kmp_stg_parse_use_hidden_helper(char const *name,
                                              char const *value, void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_enable_hidden_helper);
#if !KMP_OS_LINUX
  __kmp_enable_hidden_helper = FALSE;
  K_DIAG(1,
         ("__kmp_stg_parse_use_hidden_helper: Disable hidden helper task on "
          "non-Linux platform although it is enabled by user explicitly.\n"));
#endif
} // __kmp_stg_parse_use_hidden_helper

static void __kmp_stg_print_use_hidden_helper(kmp_str_buf_t *buffer,
                                              char const *name, void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_enable_hidden_helper);
} // __kmp_stg_print_use_hidden_helper

static void __kmp_stg_print_num_threads(kmp_str_buf_t *buffer, char const *name,
                                        void *data) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME;
  } else {
    __kmp_str_buf_print(buffer, "   %s", name);
  }
  if (__kmp_nested_nth.used) {
    kmp_str_buf_t buf;
    __kmp_str_buf_init(&buf);
    for (int i = 0; i < __kmp_nested_nth.used; i++) {
      __kmp_str_buf_print(&buf, "%d", __kmp_nested_nth.nth[i]);
      if (i < __kmp_nested_nth.used - 1) {
        __kmp_str_buf_print(&buf, ",");
      }
    }
    __kmp_str_buf_print(buffer, "='%s'\n", buf.str);
    __kmp_str_buf_free(&buf);
  } else {
    __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
  }
} // __kmp_stg_print_num_threads

// -----------------------------------------------------------------------------
// OpenMP 3.0: KMP_TASKING, OMP_MAX_ACTIVE_LEVELS,

static void __kmp_stg_parse_tasking(char const *name, char const *value,
                                    void *data) {
  __kmp_stg_parse_int(name, value, 0, (int)tskm_max,
                      (int *)&__kmp_tasking_mode);
} // __kmp_stg_parse_tasking

static void __kmp_stg_print_tasking(kmp_str_buf_t *buffer, char const *name,
                                    void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_tasking_mode);
} // __kmp_stg_print_tasking

static void __kmp_stg_parse_task_stealing(char const *name, char const *value,
                                          void *data) {
  __kmp_stg_parse_int(name, value, 0, 1,
                      (int *)&__kmp_task_stealing_constraint);
} // __kmp_stg_parse_task_stealing

static void __kmp_stg_print_task_stealing(kmp_str_buf_t *buffer,
                                          char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_task_stealing_constraint);
} // __kmp_stg_print_task_stealing

static void __kmp_stg_parse_max_active_levels(char const *name,
                                              char const *value, void *data) {
  kmp_uint64 tmp_dflt = 0;
  char const *msg = NULL;
  if (!__kmp_dflt_max_active_levels_set) {
    // Don't overwrite __kmp_dflt_max_active_levels if we get an invalid setting
    __kmp_str_to_uint(value, &tmp_dflt, &msg);
    if (msg != NULL) { // invalid setting; print warning and ignore
      KMP_WARNING(ParseSizeIntWarn, name, value, msg);
    } else if (tmp_dflt > KMP_MAX_ACTIVE_LEVELS_LIMIT) {
      // invalid setting; print warning and ignore
      msg = KMP_I18N_STR(ValueTooLarge);
      KMP_WARNING(ParseSizeIntWarn, name, value, msg);
    } else { // valid setting
      __kmp_type_convert(tmp_dflt, &(__kmp_dflt_max_active_levels));
      __kmp_dflt_max_active_levels_set = true;
    }
  }
} // __kmp_stg_parse_max_active_levels

static void __kmp_stg_print_max_active_levels(kmp_str_buf_t *buffer,
                                              char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_dflt_max_active_levels);
} // __kmp_stg_print_max_active_levels

// -----------------------------------------------------------------------------
// OpenMP 4.0: OMP_DEFAULT_DEVICE
static void __kmp_stg_parse_default_device(char const *name, char const *value,
                                           void *data) {
  __kmp_stg_parse_int(name, value, 0, KMP_MAX_DEFAULT_DEVICE_LIMIT,
                      &__kmp_default_device);
} // __kmp_stg_parse_default_device

static void __kmp_stg_print_default_device(kmp_str_buf_t *buffer,
                                           char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_default_device);
} // __kmp_stg_print_default_device

// -----------------------------------------------------------------------------
// OpenMP 5.0: OMP_TARGET_OFFLOAD
static void __kmp_stg_parse_target_offload(char const *name, char const *value,
                                           void *data) {
  const char *next = value;
  const char *scan = next;

  __kmp_target_offload = tgt_default;
  SKIP_WS(next);
  if (*next == '\0')
    return;
  scan = next;
  if (!__kmp_strcasecmp_with_sentinel("mandatory", scan, 0)) {
    __kmp_target_offload = tgt_mandatory;
  } else if (!__kmp_strcasecmp_with_sentinel("disabled", scan, 0)) {
    __kmp_target_offload = tgt_disabled;
  } else if (!__kmp_strcasecmp_with_sentinel("default", scan, 0)) {
    __kmp_target_offload = tgt_default;
  } else {
    KMP_WARNING(SyntaxErrorUsing, name, "DEFAULT");
  }

} // __kmp_stg_parse_target_offload

static void __kmp_stg_print_target_offload(kmp_str_buf_t *buffer,
                                           char const *name, void *data) {
  const char *value = NULL;
  if (__kmp_target_offload == tgt_default)
    value = "DEFAULT";
  else if (__kmp_target_offload == tgt_mandatory)
    value = "MANDATORY";
  else if (__kmp_target_offload == tgt_disabled)
    value = "DISABLED";
  KMP_DEBUG_ASSERT(value);
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME;
  } else {
    __kmp_str_buf_print(buffer, "   %s", name);
  }
  __kmp_str_buf_print(buffer, "=%s\n", value);
} // __kmp_stg_print_target_offload

// -----------------------------------------------------------------------------
// OpenMP 4.5: OMP_MAX_TASK_PRIORITY
static void __kmp_stg_parse_max_task_priority(char const *name,
                                              char const *value, void *data) {
  __kmp_stg_parse_int(name, value, 0, KMP_MAX_TASK_PRIORITY_LIMIT,
                      &__kmp_max_task_priority);
} // __kmp_stg_parse_max_task_priority

static void __kmp_stg_print_max_task_priority(kmp_str_buf_t *buffer,
                                              char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_max_task_priority);
} // __kmp_stg_print_max_task_priority

// KMP_TASKLOOP_MIN_TASKS
// taskloop threshold to switch from recursive to linear tasks creation
static void __kmp_stg_parse_taskloop_min_tasks(char const *name,
                                               char const *value, void *data) {
  int tmp;
  __kmp_stg_parse_int(name, value, 0, INT_MAX, &tmp);
  __kmp_taskloop_min_tasks = tmp;
} // __kmp_stg_parse_taskloop_min_tasks

static void __kmp_stg_print_taskloop_min_tasks(kmp_str_buf_t *buffer,
                                               char const *name, void *data) {
  __kmp_stg_print_uint64(buffer, name, __kmp_taskloop_min_tasks);
} // __kmp_stg_print_taskloop_min_tasks

// -----------------------------------------------------------------------------
// KMP_DISP_NUM_BUFFERS
static void __kmp_stg_parse_disp_buffers(char const *name, char const *value,
                                         void *data) {
  if (TCR_4(__kmp_init_serial)) {
    KMP_WARNING(EnvSerialWarn, name);
    return;
  } // read value before serial initialization only
  __kmp_stg_parse_int(name, value, KMP_MIN_DISP_NUM_BUFF, KMP_MAX_DISP_NUM_BUFF,
                      &__kmp_dispatch_num_buffers);
} // __kmp_stg_parse_disp_buffers

static void __kmp_stg_print_disp_buffers(kmp_str_buf_t *buffer,
                                         char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_dispatch_num_buffers);
} // __kmp_stg_print_disp_buffers

#if KMP_NESTED_HOT_TEAMS
// -----------------------------------------------------------------------------
// KMP_HOT_TEAMS_MAX_LEVEL, KMP_HOT_TEAMS_MODE

static void __kmp_stg_parse_hot_teams_level(char const *name, char const *value,
                                            void *data) {
  if (TCR_4(__kmp_init_parallel)) {
    KMP_WARNING(EnvParallelWarn, name);
    return;
  } // read value before first parallel only
  __kmp_stg_parse_int(name, value, 0, KMP_MAX_ACTIVE_LEVELS_LIMIT,
                      &__kmp_hot_teams_max_level);
} // __kmp_stg_parse_hot_teams_level

static void __kmp_stg_print_hot_teams_level(kmp_str_buf_t *buffer,
                                            char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_hot_teams_max_level);
} // __kmp_stg_print_hot_teams_level

static void __kmp_stg_parse_hot_teams_mode(char const *name, char const *value,
                                           void *data) {
  if (TCR_4(__kmp_init_parallel)) {
    KMP_WARNING(EnvParallelWarn, name);
    return;
  } // read value before first parallel only
  __kmp_stg_parse_int(name, value, 0, KMP_MAX_ACTIVE_LEVELS_LIMIT,
                      &__kmp_hot_teams_mode);
} // __kmp_stg_parse_hot_teams_mode

static void __kmp_stg_print_hot_teams_mode(kmp_str_buf_t *buffer,
                                           char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_hot_teams_mode);
} // __kmp_stg_print_hot_teams_mode

#endif // KMP_NESTED_HOT_TEAMS

// -----------------------------------------------------------------------------
// KMP_HANDLE_SIGNALS

#if KMP_HANDLE_SIGNALS

static void __kmp_stg_parse_handle_signals(char const *name, char const *value,
                                           void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_handle_signals);
} // __kmp_stg_parse_handle_signals

static void __kmp_stg_print_handle_signals(kmp_str_buf_t *buffer,
                                           char const *name, void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_handle_signals);
} // __kmp_stg_print_handle_signals

#endif // KMP_HANDLE_SIGNALS

// -----------------------------------------------------------------------------
// KMP_X_DEBUG, KMP_DEBUG, KMP_DEBUG_BUF_*, KMP_DIAG

#ifdef KMP_DEBUG

#define KMP_STG_X_DEBUG(x)                                                     \
  static void __kmp_stg_parse_##x##_debug(char const *name, char const *value, \
                                          void *data) {                        \
    __kmp_stg_parse_int(name, value, 0, INT_MAX, &kmp_##x##_debug);            \
  } /* __kmp_stg_parse_x_debug */                                              \
  static void __kmp_stg_print_##x##_debug(kmp_str_buf_t *buffer,               \
                                          char const *name, void *data) {      \
    __kmp_stg_print_int(buffer, name, kmp_##x##_debug);                        \
  } /* __kmp_stg_print_x_debug */

KMP_STG_X_DEBUG(a)
KMP_STG_X_DEBUG(b)
KMP_STG_X_DEBUG(c)
KMP_STG_X_DEBUG(d)
KMP_STG_X_DEBUG(e)
KMP_STG_X_DEBUG(f)

#undef KMP_STG_X_DEBUG

static void __kmp_stg_parse_debug(char const *name, char const *value,
                                  void *data) {
  int debug = 0;
  __kmp_stg_parse_int(name, value, 0, INT_MAX, &debug);
  if (kmp_a_debug < debug) {
    kmp_a_debug = debug;
  }
  if (kmp_b_debug < debug) {
    kmp_b_debug = debug;
  }
  if (kmp_c_debug < debug) {
    kmp_c_debug = debug;
  }
  if (kmp_d_debug < debug) {
    kmp_d_debug = debug;
  }
  if (kmp_e_debug < debug) {
    kmp_e_debug = debug;
  }
  if (kmp_f_debug < debug) {
    kmp_f_debug = debug;
  }
} // __kmp_stg_parse_debug

static void __kmp_stg_parse_debug_buf(char const *name, char const *value,
                                      void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_debug_buf);
  // !!! TODO: Move buffer initialization of of this file! It may works
  // incorrectly if KMP_DEBUG_BUF is parsed before KMP_DEBUG_BUF_LINES or
  // KMP_DEBUG_BUF_CHARS.
  if (__kmp_debug_buf) {
    int i;
    int elements = __kmp_debug_buf_lines * __kmp_debug_buf_chars;

    /* allocate and initialize all entries in debug buffer to empty */
    __kmp_debug_buffer = (char *)__kmp_page_allocate(elements * sizeof(char));
    for (i = 0; i < elements; i += __kmp_debug_buf_chars)
      __kmp_debug_buffer[i] = '\0';

    __kmp_debug_count = 0;
  }
  K_DIAG(1, ("__kmp_debug_buf = %d\n", __kmp_debug_buf));
} // __kmp_stg_parse_debug_buf

static void __kmp_stg_print_debug_buf(kmp_str_buf_t *buffer, char const *name,
                                      void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_debug_buf);
} // __kmp_stg_print_debug_buf

static void __kmp_stg_parse_debug_buf_atomic(char const *name,
                                             char const *value, void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_debug_buf_atomic);
} // __kmp_stg_parse_debug_buf_atomic

static void __kmp_stg_print_debug_buf_atomic(kmp_str_buf_t *buffer,
                                             char const *name, void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_debug_buf_atomic);
} // __kmp_stg_print_debug_buf_atomic

static void __kmp_stg_parse_debug_buf_chars(char const *name, char const *value,
                                            void *data) {
  __kmp_stg_parse_int(name, value, KMP_DEBUG_BUF_CHARS_MIN, INT_MAX,
                      &__kmp_debug_buf_chars);
} // __kmp_stg_debug_parse_buf_chars

static void __kmp_stg_print_debug_buf_chars(kmp_str_buf_t *buffer,
                                            char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_debug_buf_chars);
} // __kmp_stg_print_debug_buf_chars

static void __kmp_stg_parse_debug_buf_lines(char const *name, char const *value,
                                            void *data) {
  __kmp_stg_parse_int(name, value, KMP_DEBUG_BUF_LINES_MIN, INT_MAX,
                      &__kmp_debug_buf_lines);
} // __kmp_stg_parse_debug_buf_lines

static void __kmp_stg_print_debug_buf_lines(kmp_str_buf_t *buffer,
                                            char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_debug_buf_lines);
} // __kmp_stg_print_debug_buf_lines

static void __kmp_stg_parse_diag(char const *name, char const *value,
                                 void *data) {
  __kmp_stg_parse_int(name, value, 0, INT_MAX, &kmp_diag);
} // __kmp_stg_parse_diag

static void __kmp_stg_print_diag(kmp_str_buf_t *buffer, char const *name,
                                 void *data) {
  __kmp_stg_print_int(buffer, name, kmp_diag);
} // __kmp_stg_print_diag

#endif // KMP_DEBUG

// -----------------------------------------------------------------------------
// KMP_ALIGN_ALLOC

static void __kmp_stg_parse_align_alloc(char const *name, char const *value,
                                        void *data) {
  __kmp_stg_parse_size(name, value, CACHE_LINE, INT_MAX, NULL,
                       &__kmp_align_alloc, 1);
} // __kmp_stg_parse_align_alloc

static void __kmp_stg_print_align_alloc(kmp_str_buf_t *buffer, char const *name,
                                        void *data) {
  __kmp_stg_print_size(buffer, name, __kmp_align_alloc);
} // __kmp_stg_print_align_alloc

// -----------------------------------------------------------------------------
// KMP_PLAIN_BARRIER, KMP_FORKJOIN_BARRIER, KMP_REDUCTION_BARRIER

// TODO: Remove __kmp_barrier_branch_bit_env_name varibale, remove loops from
// parse and print functions, pass required info through data argument.

static void __kmp_stg_parse_barrier_branch_bit(char const *name,
                                               char const *value, void *data) {
  const char *var;

  /* ---------- Barrier branch bit control ------------ */
  for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
    var = __kmp_barrier_branch_bit_env_name[i];
    if ((strcmp(var, name) == 0) && (value != 0)) {
      char *comma;

      comma = CCAST(char *, strchr(value, ','));
      __kmp_barrier_gather_branch_bits[i] =
          (kmp_uint32)__kmp_str_to_int(value, ',');
      /* is there a specified release parameter? */
      if (comma == NULL) {
        __kmp_barrier_release_branch_bits[i] = __kmp_barrier_release_bb_dflt;
      } else {
        __kmp_barrier_release_branch_bits[i] =
            (kmp_uint32)__kmp_str_to_int(comma + 1, 0);

        if (__kmp_barrier_release_branch_bits[i] > KMP_MAX_BRANCH_BITS) {
          __kmp_msg(kmp_ms_warning,
                    KMP_MSG(BarrReleaseValueInvalid, name, comma + 1),
                    __kmp_msg_null);
          __kmp_barrier_release_branch_bits[i] = __kmp_barrier_release_bb_dflt;
        }
      }
      if (__kmp_barrier_gather_branch_bits[i] > KMP_MAX_BRANCH_BITS) {
        KMP_WARNING(BarrGatherValueInvalid, name, value);
        KMP_INFORM(Using_uint_Value, name, __kmp_barrier_gather_bb_dflt);
        __kmp_barrier_gather_branch_bits[i] = __kmp_barrier_gather_bb_dflt;
      }
    }
    K_DIAG(1, ("%s == %d,%d\n", __kmp_barrier_branch_bit_env_name[i],
               __kmp_barrier_gather_branch_bits[i],
               __kmp_barrier_release_branch_bits[i]))
  }
} // __kmp_stg_parse_barrier_branch_bit

static void __kmp_stg_print_barrier_branch_bit(kmp_str_buf_t *buffer,
                                               char const *name, void *data) {
  const char *var;
  for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
    var = __kmp_barrier_branch_bit_env_name[i];
    if (strcmp(var, name) == 0) {
      if (__kmp_env_format) {
        KMP_STR_BUF_PRINT_NAME_EX(__kmp_barrier_branch_bit_env_name[i]);
      } else {
        __kmp_str_buf_print(buffer, "   %s='",
                            __kmp_barrier_branch_bit_env_name[i]);
      }
      __kmp_str_buf_print(buffer, "%d,%d'\n",
                          __kmp_barrier_gather_branch_bits[i],
                          __kmp_barrier_release_branch_bits[i]);
    }
  }
} // __kmp_stg_print_barrier_branch_bit

// ----------------------------------------------------------------------------
// KMP_PLAIN_BARRIER_PATTERN, KMP_FORKJOIN_BARRIER_PATTERN,
// KMP_REDUCTION_BARRIER_PATTERN

// TODO: Remove __kmp_barrier_pattern_name variable, remove loops from parse and
// print functions, pass required data to functions through data argument.

static void __kmp_stg_parse_barrier_pattern(char const *name, char const *value,
                                            void *data) {
  const char *var;
  /* ---------- Barrier method control ------------ */

  static int dist_req = 0, non_dist_req = 0;
  static bool warn = 1;
  for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
    var = __kmp_barrier_pattern_env_name[i];

    if ((strcmp(var, name) == 0) && (value != 0)) {
      int j;
      char *comma = CCAST(char *, strchr(value, ','));

      /* handle first parameter: gather pattern */
      for (j = bp_linear_bar; j < bp_last_bar; j++) {
        if (__kmp_match_with_sentinel(__kmp_barrier_pattern_name[j], value, 1,
                                      ',')) {
          if (j == bp_dist_bar) {
            dist_req++;
          } else {
            non_dist_req++;
          }
          __kmp_barrier_gather_pattern[i] = (kmp_bar_pat_e)j;
          break;
        }
      }
      if (j == bp_last_bar) {
        KMP_WARNING(BarrGatherValueInvalid, name, value);
        KMP_INFORM(Using_str_Value, name,
                   __kmp_barrier_pattern_name[bp_linear_bar]);
      }

      /* handle second parameter: release pattern */
      if (comma != NULL) {
        for (j = bp_linear_bar; j < bp_last_bar; j++) {
          if (__kmp_str_match(__kmp_barrier_pattern_name[j], 1, comma + 1)) {
            if (j == bp_dist_bar) {
              dist_req++;
            } else {
              non_dist_req++;
            }
            __kmp_barrier_release_pattern[i] = (kmp_bar_pat_e)j;
            break;
          }
        }
        if (j == bp_last_bar) {
          __kmp_msg(kmp_ms_warning,
                    KMP_MSG(BarrReleaseValueInvalid, name, comma + 1),
                    __kmp_msg_null);
          KMP_INFORM(Using_str_Value, name,
                     __kmp_barrier_pattern_name[bp_linear_bar]);
        }
      }
    }
  }
  if ((dist_req == 0) && (non_dist_req != 0)) {
    // Something was set to a barrier other than dist; set all others to hyper
    for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
      if (__kmp_barrier_release_pattern[i] == bp_dist_bar)
        __kmp_barrier_release_pattern[i] = bp_hyper_bar;
      if (__kmp_barrier_gather_pattern[i] == bp_dist_bar)
        __kmp_barrier_gather_pattern[i] = bp_hyper_bar;
    }
  } else if (non_dist_req != 0) {
    // some requests for dist, plus requests for others; set all to dist
    if (non_dist_req > 0 && dist_req > 0 && warn) {
      KMP_INFORM(BarrierPatternOverride, name,
                 __kmp_barrier_pattern_name[bp_dist_bar]);
      warn = 0;
    }
    for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
      if (__kmp_barrier_release_pattern[i] != bp_dist_bar)
        __kmp_barrier_release_pattern[i] = bp_dist_bar;
      if (__kmp_barrier_gather_pattern[i] != bp_dist_bar)
        __kmp_barrier_gather_pattern[i] = bp_dist_bar;
    }
  }
} // __kmp_stg_parse_barrier_pattern

static void __kmp_stg_print_barrier_pattern(kmp_str_buf_t *buffer,
                                            char const *name, void *data) {
  const char *var;
  for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
    var = __kmp_barrier_pattern_env_name[i];
    if (strcmp(var, name) == 0) {
      int j = __kmp_barrier_gather_pattern[i];
      int k = __kmp_barrier_release_pattern[i];
      if (__kmp_env_format) {
        KMP_STR_BUF_PRINT_NAME_EX(__kmp_barrier_pattern_env_name[i]);
      } else {
        __kmp_str_buf_print(buffer, "   %s='",
                            __kmp_barrier_pattern_env_name[i]);
      }
      KMP_DEBUG_ASSERT(j < bp_last_bar && k < bp_last_bar);
      __kmp_str_buf_print(buffer, "%s,%s'\n", __kmp_barrier_pattern_name[j],
                          __kmp_barrier_pattern_name[k]);
    }
  }
} // __kmp_stg_print_barrier_pattern

// -----------------------------------------------------------------------------
// KMP_ABORT_DELAY

static void __kmp_stg_parse_abort_delay(char const *name, char const *value,
                                        void *data) {
  // Units of KMP_DELAY_ABORT are seconds, units of __kmp_abort_delay is
  // milliseconds.
  int delay = __kmp_abort_delay / 1000;
  __kmp_stg_parse_int(name, value, 0, INT_MAX / 1000, &delay);
  __kmp_abort_delay = delay * 1000;
} // __kmp_stg_parse_abort_delay

static void __kmp_stg_print_abort_delay(kmp_str_buf_t *buffer, char const *name,
                                        void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_abort_delay);
} // __kmp_stg_print_abort_delay

// -----------------------------------------------------------------------------
// KMP_CPUINFO_FILE

static void __kmp_stg_parse_cpuinfo_file(char const *name, char const *value,
                                         void *data) {
#if KMP_AFFINITY_SUPPORTED
  __kmp_stg_parse_str(name, value, &__kmp_cpuinfo_file);
  K_DIAG(1, ("__kmp_cpuinfo_file == %s\n", __kmp_cpuinfo_file));
#endif
} //__kmp_stg_parse_cpuinfo_file

static void __kmp_stg_print_cpuinfo_file(kmp_str_buf_t *buffer,
                                         char const *name, void *data) {
#if KMP_AFFINITY_SUPPORTED
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME;
  } else {
    __kmp_str_buf_print(buffer, "   %s", name);
  }
  if (__kmp_cpuinfo_file) {
    __kmp_str_buf_print(buffer, "='%s'\n", __kmp_cpuinfo_file);
  } else {
    __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
  }
#endif
} //__kmp_stg_print_cpuinfo_file

// -----------------------------------------------------------------------------
// KMP_FORCE_REDUCTION, KMP_DETERMINISTIC_REDUCTION

static void __kmp_stg_parse_force_reduction(char const *name, char const *value,
                                            void *data) {
  kmp_stg_fr_data_t *reduction = (kmp_stg_fr_data_t *)data;
  int rc;

  rc = __kmp_stg_check_rivals(name, value, reduction->rivals);
  if (rc) {
    return;
  }
  if (reduction->force) {
    if (value != 0) {
      if (__kmp_str_match("critical", 0, value))
        __kmp_force_reduction_method = critical_reduce_block;
      else if (__kmp_str_match("atomic", 0, value))
        __kmp_force_reduction_method = atomic_reduce_block;
      else if (__kmp_str_match("tree", 0, value))
        __kmp_force_reduction_method = tree_reduce_block;
      else {
        KMP_FATAL(UnknownForceReduction, name, value);
      }
    }
  } else {
    __kmp_stg_parse_bool(name, value, &__kmp_determ_red);
    if (__kmp_determ_red) {
      __kmp_force_reduction_method = tree_reduce_block;
    } else {
      __kmp_force_reduction_method = reduction_method_not_defined;
    }
  }
  K_DIAG(1, ("__kmp_force_reduction_method == %d\n",
             __kmp_force_reduction_method));
} // __kmp_stg_parse_force_reduction

static void __kmp_stg_print_force_reduction(kmp_str_buf_t *buffer,
                                            char const *name, void *data) {

  kmp_stg_fr_data_t *reduction = (kmp_stg_fr_data_t *)data;
  if (reduction->force) {
    if (__kmp_force_reduction_method == critical_reduce_block) {
      __kmp_stg_print_str(buffer, name, "critical");
    } else if (__kmp_force_reduction_method == atomic_reduce_block) {
      __kmp_stg_print_str(buffer, name, "atomic");
    } else if (__kmp_force_reduction_method == tree_reduce_block) {
      __kmp_stg_print_str(buffer, name, "tree");
    } else {
      if (__kmp_env_format) {
        KMP_STR_BUF_PRINT_NAME;
      } else {
        __kmp_str_buf_print(buffer, "   %s", name);
      }
      __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
    }
  } else {
    __kmp_stg_print_bool(buffer, name, __kmp_determ_red);
  }

} // __kmp_stg_print_force_reduction

// -----------------------------------------------------------------------------
// KMP_STORAGE_MAP

static void __kmp_stg_parse_storage_map(char const *name, char const *value,
                                        void *data) {
  if (__kmp_str_match("verbose", 1, value)) {
    __kmp_storage_map = TRUE;
    __kmp_storage_map_verbose = TRUE;
    __kmp_storage_map_verbose_specified = TRUE;

  } else {
    __kmp_storage_map_verbose = FALSE;
    __kmp_stg_parse_bool(name, value, &__kmp_storage_map); // !!!
  }
} // __kmp_stg_parse_storage_map

static void __kmp_stg_print_storage_map(kmp_str_buf_t *buffer, char const *name,
                                        void *data) {
  if (__kmp_storage_map_verbose || __kmp_storage_map_verbose_specified) {
    __kmp_stg_print_str(buffer, name, "verbose");
  } else {
    __kmp_stg_print_bool(buffer, name, __kmp_storage_map);
  }
} // __kmp_stg_print_storage_map

// -----------------------------------------------------------------------------
// KMP_ALL_THREADPRIVATE

static void __kmp_stg_parse_all_threadprivate(char const *name,
                                              char const *value, void *data) {
  __kmp_stg_parse_int(name, value,
                      __kmp_allThreadsSpecified ? __kmp_max_nth : 1,
                      __kmp_max_nth, &__kmp_tp_capacity);
} // __kmp_stg_parse_all_threadprivate

static void __kmp_stg_print_all_threadprivate(kmp_str_buf_t *buffer,
                                              char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_tp_capacity);
}

// -----------------------------------------------------------------------------
// KMP_FOREIGN_THREADS_THREADPRIVATE

static void __kmp_stg_parse_foreign_threads_threadprivate(char const *name,
                                                          char const *value,
                                                          void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_foreign_tp);
} // __kmp_stg_parse_foreign_threads_threadprivate

static void __kmp_stg_print_foreign_threads_threadprivate(kmp_str_buf_t *buffer,
                                                          char const *name,
                                                          void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_foreign_tp);
} // __kmp_stg_print_foreign_threads_threadprivate

// -----------------------------------------------------------------------------
// KMP_AFFINITY, GOMP_CPU_AFFINITY, KMP_TOPOLOGY_METHOD

#if KMP_AFFINITY_SUPPORTED
// Parse the proc id list.  Return TRUE if successful, FALSE otherwise.
static int __kmp_parse_affinity_proc_id_list(const char *var, const char *env,
                                             const char **nextEnv,
                                             char **proclist) {
  const char *scan = env;
  const char *next = scan;
  int empty = TRUE;

  *proclist = NULL;

  for (;;) {
    int start, end, stride;

    SKIP_WS(scan);
    next = scan;
    if (*next == '\0') {
      break;
    }

    if (*next == '{') {
      int num;
      next++; // skip '{'
      SKIP_WS(next);
      scan = next;

      // Read the first integer in the set.
      if ((*next < '0') || (*next > '9')) {
        KMP_WARNING(AffSyntaxError, var);
        return FALSE;
      }
      SKIP_DIGITS(next);
      num = __kmp_str_to_int(scan, *next);
      KMP_ASSERT(num >= 0);

      for (;;) {
        // Check for end of set.
        SKIP_WS(next);
        if (*next == '}') {
          next++; // skip '}'
          break;
        }

        // Skip optional comma.
        if (*next == ',') {
          next++;
        }
        SKIP_WS(next);

        // Read the next integer in the set.
        scan = next;
        if ((*next < '0') || (*next > '9')) {
          KMP_WARNING(AffSyntaxError, var);
          return FALSE;
        }

        SKIP_DIGITS(next);
        num = __kmp_str_to_int(scan, *next);
        KMP_ASSERT(num >= 0);
      }
      empty = FALSE;

      SKIP_WS(next);
      if (*next == ',') {
        next++;
      }
      scan = next;
      continue;
    }

    // Next character is not an integer => end of list
    if ((*next < '0') || (*next > '9')) {
      if (empty) {
        KMP_WARNING(AffSyntaxError, var);
        return FALSE;
      }
      break;
    }

    // Read the first integer.
    SKIP_DIGITS(next);
    start = __kmp_str_to_int(scan, *next);
    KMP_ASSERT(start >= 0);
    SKIP_WS(next);

    // If this isn't a range, then go on.
    if (*next != '-') {
      empty = FALSE;

      // Skip optional comma.
      if (*next == ',') {
        next++;
      }
      scan = next;
      continue;
    }

    // This is a range.  Skip over the '-' and read in the 2nd int.
    next++; // skip '-'
    SKIP_WS(next);
    scan = next;
    if ((*next < '0') || (*next > '9')) {
      KMP_WARNING(AffSyntaxError, var);
      return FALSE;
    }
    SKIP_DIGITS(next);
    end = __kmp_str_to_int(scan, *next);
    KMP_ASSERT(end >= 0);

    // Check for a stride parameter
    stride = 1;
    SKIP_WS(next);
    if (*next == ':') {
      // A stride is specified.  Skip over the ':" and read the 3rd int.
      int sign = +1;
      next++; // skip ':'
      SKIP_WS(next);
      scan = next;
      if (*next == '-') {
        sign = -1;
        next++;
        SKIP_WS(next);
        scan = next;
      }
      if ((*next < '0') || (*next > '9')) {
        KMP_WARNING(AffSyntaxError, var);
        return FALSE;
      }
      SKIP_DIGITS(next);
      stride = __kmp_str_to_int(scan, *next);
      KMP_ASSERT(stride >= 0);
      stride *= sign;
    }

    // Do some range checks.
    if (stride == 0) {
      KMP_WARNING(AffZeroStride, var);
      return FALSE;
    }
    if (stride > 0) {
      if (start > end) {
        KMP_WARNING(AffStartGreaterEnd, var, start, end);
        return FALSE;
      }
    } else {
      if (start < end) {
        KMP_WARNING(AffStrideLessZero, var, start, end);
        return FALSE;
      }
    }
    if ((end - start) / stride > 65536) {
      KMP_WARNING(AffRangeTooBig, var, end, start, stride);
      return FALSE;
    }

    empty = FALSE;

    // Skip optional comma.
    SKIP_WS(next);
    if (*next == ',') {
      next++;
    }
    scan = next;
  }

  *nextEnv = next;

  {
    ptrdiff_t len = next - env;
    char *retlist = (char *)__kmp_allocate((len + 1) * sizeof(char));
    KMP_MEMCPY_S(retlist, (len + 1) * sizeof(char), env, len * sizeof(char));
    retlist[len] = '\0';
    *proclist = retlist;
  }
  return TRUE;
}

// If KMP_AFFINITY is specified without a type, then
// __kmp_affinity_notype should point to its setting.
static kmp_setting_t *__kmp_affinity_notype = NULL;

static void __kmp_parse_affinity_env(char const *name, char const *value,
                                     enum affinity_type *out_type,
                                     char **out_proclist, int *out_verbose,
                                     int *out_warn, int *out_respect,
                                     kmp_hw_t *out_gran, int *out_gran_levels,
                                     int *out_dups, int *out_compact,
                                     int *out_offset) {
  char *buffer = NULL; // Copy of env var value.
  char *buf = NULL; // Buffer for strtok_r() function.
  char *next = NULL; // end of token / start of next.
  const char *start; // start of current token (for err msgs)
  int count = 0; // Counter of parsed integer numbers.
  int number[2]; // Parsed numbers.

  // Guards.
  int type = 0;
  int proclist = 0;
  int verbose = 0;
  int warnings = 0;
  int respect = 0;
  int gran = 0;
  int dups = 0;
  bool set = false;

  KMP_ASSERT(value != NULL);

  if (TCR_4(__kmp_init_middle)) {
    KMP_WARNING(EnvMiddleWarn, name);
    __kmp_env_toPrint(name, 0);
    return;
  }
  __kmp_env_toPrint(name, 1);

  buffer =
      __kmp_str_format("%s", value); // Copy env var to keep original intact.
  buf = buffer;
  SKIP_WS(buf);

// Helper macros.

// If we see a parse error, emit a warning and scan to the next ",".
//
// FIXME - there's got to be a better way to print an error
// message, hopefully without overwriting peices of buf.
#define EMIT_WARN(skip, errlist)                                               \
  {                                                                            \
    char ch;                                                                   \
    if (skip) {                                                                \
      SKIP_TO(next, ',');                                                      \
    }                                                                          \
    ch = *next;                                                                \
    *next = '\0';                                                              \
    KMP_WARNING errlist;                                                       \
    *next = ch;                                                                \
    if (skip) {                                                                \
      if (ch == ',')                                                           \
        next++;                                                                \
    }                                                                          \
    buf = next;                                                                \
  }

#define _set_param(_guard, _var, _val)                                         \
  {                                                                            \
    if (_guard == 0) {                                                         \
      _var = _val;                                                             \
    } else {                                                                   \
      EMIT_WARN(FALSE, (AffParamDefined, name, start));                        \
    }                                                                          \
    ++_guard;                                                                  \
  }

#define set_type(val) _set_param(type, *out_type, val)
#define set_verbose(val) _set_param(verbose, *out_verbose, val)
#define set_warnings(val) _set_param(warnings, *out_warn, val)
#define set_respect(val) _set_param(respect, *out_respect, val)
#define set_dups(val) _set_param(dups, *out_dups, val)
#define set_proclist(val) _set_param(proclist, *out_proclist, val)

#define set_gran(val, levels)                                                  \
  {                                                                            \
    if (gran == 0) {                                                           \
      *out_gran = val;                                                         \
      *out_gran_levels = levels;                                               \
    } else {                                                                   \
      EMIT_WARN(FALSE, (AffParamDefined, name, start));                        \
    }                                                                          \
    ++gran;                                                                    \
  }

  KMP_DEBUG_ASSERT((__kmp_nested_proc_bind.bind_types != NULL) &&
                   (__kmp_nested_proc_bind.used > 0));

  while (*buf != '\0') {
    start = next = buf;

    if (__kmp_match_str("none", buf, CCAST(const char **, &next))) {
      set_type(affinity_none);
      __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
      buf = next;
    } else if (__kmp_match_str("scatter", buf, CCAST(const char **, &next))) {
      set_type(affinity_scatter);
      __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
      buf = next;
    } else if (__kmp_match_str("compact", buf, CCAST(const char **, &next))) {
      set_type(affinity_compact);
      __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
      buf = next;
    } else if (__kmp_match_str("logical", buf, CCAST(const char **, &next))) {
      set_type(affinity_logical);
      __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
      buf = next;
    } else if (__kmp_match_str("physical", buf, CCAST(const char **, &next))) {
      set_type(affinity_physical);
      __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
      buf = next;
    } else if (__kmp_match_str("explicit", buf, CCAST(const char **, &next))) {
      set_type(affinity_explicit);
      __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
      buf = next;
    } else if (__kmp_match_str("balanced", buf, CCAST(const char **, &next))) {
      set_type(affinity_balanced);
      __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
      buf = next;
    } else if (__kmp_match_str("disabled", buf, CCAST(const char **, &next))) {
      set_type(affinity_disabled);
      __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
      buf = next;
    } else if (__kmp_match_str("verbose", buf, CCAST(const char **, &next))) {
      set_verbose(TRUE);
      buf = next;
    } else if (__kmp_match_str("noverbose", buf, CCAST(const char **, &next))) {
      set_verbose(FALSE);
      buf = next;
    } else if (__kmp_match_str("warnings", buf, CCAST(const char **, &next))) {
      set_warnings(TRUE);
      buf = next;
    } else if (__kmp_match_str("nowarnings", buf,
                               CCAST(const char **, &next))) {
      set_warnings(FALSE);
      buf = next;
    } else if (__kmp_match_str("respect", buf, CCAST(const char **, &next))) {
      set_respect(TRUE);
      buf = next;
    } else if (__kmp_match_str("norespect", buf, CCAST(const char **, &next))) {
      set_respect(FALSE);
      buf = next;
    } else if (__kmp_match_str("duplicates", buf,
                               CCAST(const char **, &next)) ||
               __kmp_match_str("dups", buf, CCAST(const char **, &next))) {
      set_dups(TRUE);
      buf = next;
    } else if (__kmp_match_str("noduplicates", buf,
                               CCAST(const char **, &next)) ||
               __kmp_match_str("nodups", buf, CCAST(const char **, &next))) {
      set_dups(FALSE);
      buf = next;
    } else if (__kmp_match_str("granularity", buf,
                               CCAST(const char **, &next)) ||
               __kmp_match_str("gran", buf, CCAST(const char **, &next))) {
      SKIP_WS(next);
      if (*next != '=') {
        EMIT_WARN(TRUE, (AffInvalidParam, name, start));
        continue;
      }
      next++; // skip '='
      SKIP_WS(next);

      buf = next;

      // Try any hardware topology type for granularity
      KMP_FOREACH_HW_TYPE(type) {
        const char *name = __kmp_hw_get_keyword(type);
        if (__kmp_match_str(name, buf, CCAST(const char **, &next))) {
          set_gran(type, -1);
          buf = next;
          set = true;
          break;
        }
      }
      if (!set) {
        // Support older names for different granularity layers
        if (__kmp_match_str("fine", buf, CCAST(const char **, &next))) {
          set_gran(KMP_HW_THREAD, -1);
          buf = next;
          set = true;
        } else if (__kmp_match_str("package", buf,
                                   CCAST(const char **, &next))) {
          set_gran(KMP_HW_SOCKET, -1);
          buf = next;
          set = true;
        } else if (__kmp_match_str("node", buf, CCAST(const char **, &next))) {
          set_gran(KMP_HW_NUMA, -1);
          buf = next;
          set = true;
#if KMP_GROUP_AFFINITY
        } else if (__kmp_match_str("group", buf, CCAST(const char **, &next))) {
          set_gran(KMP_HW_PROC_GROUP, -1);
          buf = next;
          set = true;
#endif /* KMP_GROUP AFFINITY */
        } else if ((*buf >= '0') && (*buf <= '9')) {
          int n;
          next = buf;
          SKIP_DIGITS(next);
          n = __kmp_str_to_int(buf, *next);
          KMP_ASSERT(n >= 0);
          buf = next;
          set_gran(KMP_HW_UNKNOWN, n);
          set = true;
        } else {
          EMIT_WARN(TRUE, (AffInvalidParam, name, start));
          continue;
        }
      }
    } else if (__kmp_match_str("proclist", buf, CCAST(const char **, &next))) {
      char *temp_proclist;

      SKIP_WS(next);
      if (*next != '=') {
        EMIT_WARN(TRUE, (AffInvalidParam, name, start));
        continue;
      }
      next++; // skip '='
      SKIP_WS(next);
      if (*next != '[') {
        EMIT_WARN(TRUE, (AffInvalidParam, name, start));
        continue;
      }
      next++; // skip '['
      buf = next;
      if (!__kmp_parse_affinity_proc_id_list(
              name, buf, CCAST(const char **, &next), &temp_proclist)) {
        // warning already emitted.
        SKIP_TO(next, ']');
        if (*next == ']')
          next++;
        SKIP_TO(next, ',');
        if (*next == ',')
          next++;
        buf = next;
        continue;
      }
      if (*next != ']') {
        EMIT_WARN(TRUE, (AffInvalidParam, name, start));
        continue;
      }
      next++; // skip ']'
      set_proclist(temp_proclist);
    } else if ((*buf >= '0') && (*buf <= '9')) {
      // Parse integer numbers -- permute and offset.
      int n;
      next = buf;
      SKIP_DIGITS(next);
      n = __kmp_str_to_int(buf, *next);
      KMP_ASSERT(n >= 0);
      buf = next;
      if (count < 2) {
        number[count] = n;
      } else {
        KMP_WARNING(AffManyParams, name, start);
      }
      ++count;
    } else {
      EMIT_WARN(TRUE, (AffInvalidParam, name, start));
      continue;
    }

    SKIP_WS(next);
    if (*next == ',') {
      next++;
      SKIP_WS(next);
    } else if (*next != '\0') {
      const char *temp = next;
      EMIT_WARN(TRUE, (ParseExtraCharsWarn, name, temp));
      continue;
    }
    buf = next;
  } // while

#undef EMIT_WARN
#undef _set_param
#undef set_type
#undef set_verbose
#undef set_warnings
#undef set_respect
#undef set_granularity

  __kmp_str_free(&buffer);

  if (proclist) {
    if (!type) {
      KMP_WARNING(AffProcListNoType, name);
      *out_type = affinity_explicit;
      __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
    } else if (*out_type != affinity_explicit) {
      KMP_WARNING(AffProcListNotExplicit, name);
      KMP_ASSERT(*out_proclist != NULL);
      KMP_INTERNAL_FREE(*out_proclist);
      *out_proclist = NULL;
    }
  }
  switch (*out_type) {
  case affinity_logical:
  case affinity_physical: {
    if (count > 0) {
      *out_offset = number[0];
    }
    if (count > 1) {
      KMP_WARNING(AffManyParamsForLogic, name, number[1]);
    }
  } break;
  case affinity_balanced: {
    if (count > 0) {
      *out_compact = number[0];
    }
    if (count > 1) {
      *out_offset = number[1];
    }

    if (__kmp_affinity_gran == KMP_HW_UNKNOWN) {
#if KMP_MIC_SUPPORTED
      if (__kmp_mic_type != non_mic) {
        if (__kmp_affinity_verbose || __kmp_affinity_warnings) {
          KMP_WARNING(AffGranUsing, "KMP_AFFINITY", "fine");
        }
        __kmp_affinity_gran = KMP_HW_THREAD;
      } else
#endif
      {
        if (__kmp_affinity_verbose || __kmp_affinity_warnings) {
          KMP_WARNING(AffGranUsing, "KMP_AFFINITY", "core");
        }
        __kmp_affinity_gran = KMP_HW_CORE;
      }
    }
  } break;
  case affinity_scatter:
  case affinity_compact: {
    if (count > 0) {
      *out_compact = number[0];
    }
    if (count > 1) {
      *out_offset = number[1];
    }
  } break;
  case affinity_explicit: {
    if (*out_proclist == NULL) {
      KMP_WARNING(AffNoProcList, name);
      __kmp_affinity_type = affinity_none;
    }
    if (count > 0) {
      KMP_WARNING(AffNoParam, name, "explicit");
    }
  } break;
  case affinity_none: {
    if (count > 0) {
      KMP_WARNING(AffNoParam, name, "none");
    }
  } break;
  case affinity_disabled: {
    if (count > 0) {
      KMP_WARNING(AffNoParam, name, "disabled");
    }
  } break;
  case affinity_default: {
    if (count > 0) {
      KMP_WARNING(AffNoParam, name, "default");
    }
  } break;
  default: {
    KMP_ASSERT(0);
  }
  }
} // __kmp_parse_affinity_env

static void __kmp_stg_parse_affinity(char const *name, char const *value,
                                     void *data) {
  kmp_setting_t **rivals = (kmp_setting_t **)data;
  int rc;

  rc = __kmp_stg_check_rivals(name, value, rivals);
  if (rc) {
    return;
  }

  __kmp_parse_affinity_env(name, value, &__kmp_affinity_type,
                           &__kmp_affinity_proclist, &__kmp_affinity_verbose,
                           &__kmp_affinity_warnings,
                           &__kmp_affinity_respect_mask, &__kmp_affinity_gran,
                           &__kmp_affinity_gran_levels, &__kmp_affinity_dups,
                           &__kmp_affinity_compact, &__kmp_affinity_offset);

} // __kmp_stg_parse_affinity

static void __kmp_stg_print_affinity(kmp_str_buf_t *buffer, char const *name,
                                     void *data) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME_EX(name);
  } else {
    __kmp_str_buf_print(buffer, "   %s='", name);
  }
  if (__kmp_affinity_verbose) {
    __kmp_str_buf_print(buffer, "%s,", "verbose");
  } else {
    __kmp_str_buf_print(buffer, "%s,", "noverbose");
  }
  if (__kmp_affinity_warnings) {
    __kmp_str_buf_print(buffer, "%s,", "warnings");
  } else {
    __kmp_str_buf_print(buffer, "%s,", "nowarnings");
  }
  if (KMP_AFFINITY_CAPABLE()) {
    if (__kmp_affinity_respect_mask) {
      __kmp_str_buf_print(buffer, "%s,", "respect");
    } else {
      __kmp_str_buf_print(buffer, "%s,", "norespect");
    }
    __kmp_str_buf_print(buffer, "granularity=%s,",
                        __kmp_hw_get_keyword(__kmp_affinity_gran, false));
  }
  if (!KMP_AFFINITY_CAPABLE()) {
    __kmp_str_buf_print(buffer, "%s", "disabled");
  } else
    switch (__kmp_affinity_type) {
    case affinity_none:
      __kmp_str_buf_print(buffer, "%s", "none");
      break;
    case affinity_physical:
      __kmp_str_buf_print(buffer, "%s,%d", "physical", __kmp_affinity_offset);
      break;
    case affinity_logical:
      __kmp_str_buf_print(buffer, "%s,%d", "logical", __kmp_affinity_offset);
      break;
    case affinity_compact:
      __kmp_str_buf_print(buffer, "%s,%d,%d", "compact", __kmp_affinity_compact,
                          __kmp_affinity_offset);
      break;
    case affinity_scatter:
      __kmp_str_buf_print(buffer, "%s,%d,%d", "scatter", __kmp_affinity_compact,
                          __kmp_affinity_offset);
      break;
    case affinity_explicit:
      __kmp_str_buf_print(buffer, "%s=[%s],%s", "proclist",
                          __kmp_affinity_proclist, "explicit");
      break;
    case affinity_balanced:
      __kmp_str_buf_print(buffer, "%s,%d,%d", "balanced",
                          __kmp_affinity_compact, __kmp_affinity_offset);
      break;
    case affinity_disabled:
      __kmp_str_buf_print(buffer, "%s", "disabled");
      break;
    case affinity_default:
      __kmp_str_buf_print(buffer, "%s", "default");
      break;
    default:
      __kmp_str_buf_print(buffer, "%s", "<unknown>");
      break;
    }
  __kmp_str_buf_print(buffer, "'\n");
} //__kmp_stg_print_affinity

#ifdef KMP_GOMP_COMPAT

static void __kmp_stg_parse_gomp_cpu_affinity(char const *name,
                                              char const *value, void *data) {
  const char *next = NULL;
  char *temp_proclist;
  kmp_setting_t **rivals = (kmp_setting_t **)data;
  int rc;

  rc = __kmp_stg_check_rivals(name, value, rivals);
  if (rc) {
    return;
  }

  if (TCR_4(__kmp_init_middle)) {
    KMP_WARNING(EnvMiddleWarn, name);
    __kmp_env_toPrint(name, 0);
    return;
  }

  __kmp_env_toPrint(name, 1);

  if (__kmp_parse_affinity_proc_id_list(name, value, &next, &temp_proclist)) {
    SKIP_WS(next);
    if (*next == '\0') {
      // GOMP_CPU_AFFINITY => granularity=fine,explicit,proclist=...
      __kmp_affinity_proclist = temp_proclist;
      __kmp_affinity_type = affinity_explicit;
      __kmp_affinity_gran = KMP_HW_THREAD;
      __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
    } else {
      KMP_WARNING(AffSyntaxError, name);
      if (temp_proclist != NULL) {
        KMP_INTERNAL_FREE((void *)temp_proclist);
      }
    }
  } else {
    // Warning already emitted
    __kmp_affinity_type = affinity_none;
    __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
  }
} // __kmp_stg_parse_gomp_cpu_affinity

#endif /* KMP_GOMP_COMPAT */

/*-----------------------------------------------------------------------------
The OMP_PLACES proc id list parser. Here is the grammar:

place_list := place
place_list := place , place_list
place := num
place := place : num
place := place : num : signed
place := { subplacelist }
place := ! place                  // (lowest priority)
subplace_list := subplace
subplace_list := subplace , subplace_list
subplace := num
subplace := num : num
subplace := num : num : signed
signed := num
signed := + signed
signed := - signed
-----------------------------------------------------------------------------*/

// Warning to issue for syntax error during parsing of OMP_PLACES
static inline void __kmp_omp_places_syntax_warn(const char *var) {
  KMP_WARNING(SyntaxErrorUsing, var, "\"cores\"");
}

static int __kmp_parse_subplace_list(const char *var, const char **scan) {
  const char *next;

  for (;;) {
    int start, count, stride;

    //
    // Read in the starting proc id
    //
    SKIP_WS(*scan);
    if ((**scan < '0') || (**scan > '9')) {
      __kmp_omp_places_syntax_warn(var);
      return FALSE;
    }
    next = *scan;
    SKIP_DIGITS(next);
    start = __kmp_str_to_int(*scan, *next);
    KMP_ASSERT(start >= 0);
    *scan = next;

    // valid follow sets are ',' ':' and '}'
    SKIP_WS(*scan);
    if (**scan == '}') {
      break;
    }
    if (**scan == ',') {
      (*scan)++; // skip ','
      continue;
    }
    if (**scan != ':') {
      __kmp_omp_places_syntax_warn(var);
      return FALSE;
    }
    (*scan)++; // skip ':'

    // Read count parameter
    SKIP_WS(*scan);
    if ((**scan < '0') || (**scan > '9')) {
      __kmp_omp_places_syntax_warn(var);
      return FALSE;
    }
    next = *scan;
    SKIP_DIGITS(next);
    count = __kmp_str_to_int(*scan, *next);
    KMP_ASSERT(count >= 0);
    *scan = next;

    // valid follow sets are ',' ':' and '}'
    SKIP_WS(*scan);
    if (**scan == '}') {
      break;
    }
    if (**scan == ',') {
      (*scan)++; // skip ','
      continue;
    }
    if (**scan != ':') {
      __kmp_omp_places_syntax_warn(var);
      return FALSE;
    }
    (*scan)++; // skip ':'

    // Read stride parameter
    int sign = +1;
    for (;;) {
      SKIP_WS(*scan);
      if (**scan == '+') {
        (*scan)++; // skip '+'
        continue;
      }
      if (**scan == '-') {
        sign *= -1;
        (*scan)++; // skip '-'
        continue;
      }
      break;
    }
    SKIP_WS(*scan);
    if ((**scan < '0') || (**scan > '9')) {
      __kmp_omp_places_syntax_warn(var);
      return FALSE;
    }
    next = *scan;
    SKIP_DIGITS(next);
    stride = __kmp_str_to_int(*scan, *next);
    KMP_ASSERT(stride >= 0);
    *scan = next;
    stride *= sign;

    // valid follow sets are ',' and '}'
    SKIP_WS(*scan);
    if (**scan == '}') {
      break;
    }
    if (**scan == ',') {
      (*scan)++; // skip ','
      continue;
    }

    __kmp_omp_places_syntax_warn(var);
    return FALSE;
  }
  return TRUE;
}

static int __kmp_parse_place(const char *var, const char **scan) {
  const char *next;

  // valid follow sets are '{' '!' and num
  SKIP_WS(*scan);
  if (**scan == '{') {
    (*scan)++; // skip '{'
    if (!__kmp_parse_subplace_list(var, scan)) {
      return FALSE;
    }
    if (**scan != '}') {
      __kmp_omp_places_syntax_warn(var);
      return FALSE;
    }
    (*scan)++; // skip '}'
  } else if (**scan == '!') {
    (*scan)++; // skip '!'
    return __kmp_parse_place(var, scan); //'!' has lower precedence than ':'
  } else if ((**scan >= '0') && (**scan <= '9')) {
    next = *scan;
    SKIP_DIGITS(next);
    int proc = __kmp_str_to_int(*scan, *next);
    KMP_ASSERT(proc >= 0);
    *scan = next;
  } else {
    __kmp_omp_places_syntax_warn(var);
    return FALSE;
  }
  return TRUE;
}

static int __kmp_parse_place_list(const char *var, const char *env,
                                  char **place_list) {
  const char *scan = env;
  const char *next = scan;

  for (;;) {
    int count, stride;

    if (!__kmp_parse_place(var, &scan)) {
      return FALSE;
    }

    // valid follow sets are ',' ':' and EOL
    SKIP_WS(scan);
    if (*scan == '\0') {
      break;
    }
    if (*scan == ',') {
      scan++; // skip ','
      continue;
    }
    if (*scan != ':') {
      __kmp_omp_places_syntax_warn(var);
      return FALSE;
    }
    scan++; // skip ':'

    // Read count parameter
    SKIP_WS(scan);
    if ((*scan < '0') || (*scan > '9')) {
      __kmp_omp_places_syntax_warn(var);
      return FALSE;
    }
    next = scan;
    SKIP_DIGITS(next);
    count = __kmp_str_to_int(scan, *next);
    KMP_ASSERT(count >= 0);
    scan = next;

    // valid follow sets are ',' ':' and EOL
    SKIP_WS(scan);
    if (*scan == '\0') {
      break;
    }
    if (*scan == ',') {
      scan++; // skip ','
      continue;
    }
    if (*scan != ':') {
      __kmp_omp_places_syntax_warn(var);
      return FALSE;
    }
    scan++; // skip ':'

    // Read stride parameter
    int sign = +1;
    for (;;) {
      SKIP_WS(scan);
      if (*scan == '+') {
        scan++; // skip '+'
        continue;
      }
      if (*scan == '-') {
        sign *= -1;
        scan++; // skip '-'
        continue;
      }
      break;
    }
    SKIP_WS(scan);
    if ((*scan < '0') || (*scan > '9')) {
      __kmp_omp_places_syntax_warn(var);
      return FALSE;
    }
    next = scan;
    SKIP_DIGITS(next);
    stride = __kmp_str_to_int(scan, *next);
    KMP_ASSERT(stride >= 0);
    scan = next;
    stride *= sign;

    // valid follow sets are ',' and EOL
    SKIP_WS(scan);
    if (*scan == '\0') {
      break;
    }
    if (*scan == ',') {
      scan++; // skip ','
      continue;
    }

    __kmp_omp_places_syntax_warn(var);
    return FALSE;
  }

  {
    ptrdiff_t len = scan - env;
    char *retlist = (char *)__kmp_allocate((len + 1) * sizeof(char));
    KMP_MEMCPY_S(retlist, (len + 1) * sizeof(char), env, len * sizeof(char));
    retlist[len] = '\0';
    *place_list = retlist;
  }
  return TRUE;
}

static void __kmp_stg_parse_places(char const *name, char const *value,
                                   void *data) {
  struct kmp_place_t {
    const char *name;
    kmp_hw_t type;
  };
  int count;
  bool set = false;
  const char *scan = value;
  const char *next = scan;
  const char *kind = "\"threads\"";
  kmp_place_t std_places[] = {{"threads", KMP_HW_THREAD},
                              {"cores", KMP_HW_CORE},
                              {"numa_domains", KMP_HW_NUMA},
                              {"ll_caches", KMP_HW_LLC},
                              {"sockets", KMP_HW_SOCKET}};
  kmp_setting_t **rivals = (kmp_setting_t **)data;
  int rc;

  rc = __kmp_stg_check_rivals(name, value, rivals);
  if (rc) {
    return;
  }

  // Standard choices
  for (size_t i = 0; i < sizeof(std_places) / sizeof(std_places[0]); ++i) {
    const kmp_place_t &place = std_places[i];
    if (__kmp_match_str(place.name, scan, &next)) {
      scan = next;
      __kmp_affinity_type = affinity_compact;
      __kmp_affinity_gran = place.type;
      __kmp_affinity_dups = FALSE;
      set = true;
      break;
    }
  }
  // Implementation choices for OMP_PLACES based on internal types
  if (!set) {
    KMP_FOREACH_HW_TYPE(type) {
      const char *name = __kmp_hw_get_keyword(type, true);
      if (__kmp_match_str("unknowns", scan, &next))
        continue;
      if (__kmp_match_str(name, scan, &next)) {
        scan = next;
        __kmp_affinity_type = affinity_compact;
        __kmp_affinity_gran = type;
        __kmp_affinity_dups = FALSE;
        set = true;
        break;
      }
    }
  }
  if (!set) {
    if (__kmp_affinity_proclist != NULL) {
      KMP_INTERNAL_FREE((void *)__kmp_affinity_proclist);
      __kmp_affinity_proclist = NULL;
    }
    if (__kmp_parse_place_list(name, value, &__kmp_affinity_proclist)) {
      __kmp_affinity_type = affinity_explicit;
      __kmp_affinity_gran = KMP_HW_THREAD;
      __kmp_affinity_dups = FALSE;
    } else {
      // Syntax error fallback
      __kmp_affinity_type = affinity_compact;
      __kmp_affinity_gran = KMP_HW_CORE;
      __kmp_affinity_dups = FALSE;
    }
    if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_default) {
      __kmp_nested_proc_bind.bind_types[0] = proc_bind_true;
    }
    return;
  }
  if (__kmp_affinity_gran != KMP_HW_UNKNOWN) {
    kind = __kmp_hw_get_keyword(__kmp_affinity_gran);
  }

  if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_default) {
    __kmp_nested_proc_bind.bind_types[0] = proc_bind_true;
  }

  SKIP_WS(scan);
  if (*scan == '\0') {
    return;
  }

  // Parse option count parameter in parentheses
  if (*scan != '(') {
    KMP_WARNING(SyntaxErrorUsing, name, kind);
    return;
  }
  scan++; // skip '('

  SKIP_WS(scan);
  next = scan;
  SKIP_DIGITS(next);
  count = __kmp_str_to_int(scan, *next);
  KMP_ASSERT(count >= 0);
  scan = next;

  SKIP_WS(scan);
  if (*scan != ')') {
    KMP_WARNING(SyntaxErrorUsing, name, kind);
    return;
  }
  scan++; // skip ')'

  SKIP_WS(scan);
  if (*scan != '\0') {
    KMP_WARNING(ParseExtraCharsWarn, name, scan);
  }
  __kmp_affinity_num_places = count;
}

static void __kmp_stg_print_places(kmp_str_buf_t *buffer, char const *name,
                                   void *data) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME;
  } else {
    __kmp_str_buf_print(buffer, "   %s", name);
  }
  if ((__kmp_nested_proc_bind.used == 0) ||
      (__kmp_nested_proc_bind.bind_types == NULL) ||
      (__kmp_nested_proc_bind.bind_types[0] == proc_bind_false)) {
    __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
  } else if (__kmp_affinity_type == affinity_explicit) {
    if (__kmp_affinity_proclist != NULL) {
      __kmp_str_buf_print(buffer, "='%s'\n", __kmp_affinity_proclist);
    } else {
      __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
    }
  } else if (__kmp_affinity_type == affinity_compact) {
    int num;
    if (__kmp_affinity_num_masks > 0) {
      num = __kmp_affinity_num_masks;
    } else if (__kmp_affinity_num_places > 0) {
      num = __kmp_affinity_num_places;
    } else {
      num = 0;
    }
    if (__kmp_affinity_gran != KMP_HW_UNKNOWN) {
      const char *name = __kmp_hw_get_keyword(__kmp_affinity_gran, true);
      if (num > 0) {
        __kmp_str_buf_print(buffer, "='%s(%d)'\n", name, num);
      } else {
        __kmp_str_buf_print(buffer, "='%s'\n", name);
      }
    } else {
      __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
    }
  } else {
    __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
  }
}

static void __kmp_stg_parse_topology_method(char const *name, char const *value,
                                            void *data) {
  if (__kmp_str_match("all", 1, value)) {
    __kmp_affinity_top_method = affinity_top_method_all;
  }
#if KMP_USE_HWLOC
  else if (__kmp_str_match("hwloc", 1, value)) {
    __kmp_affinity_top_method = affinity_top_method_hwloc;
  }
#endif
#if KMP_ARCH_X86 || KMP_ARCH_X86_64
  else if (__kmp_str_match("cpuid_leaf31", 12, value) ||
           __kmp_str_match("cpuid 1f", 8, value) ||
           __kmp_str_match("cpuid 31", 8, value) ||
           __kmp_str_match("cpuid1f", 7, value) ||
           __kmp_str_match("cpuid31", 7, value) ||
           __kmp_str_match("leaf 1f", 7, value) ||
           __kmp_str_match("leaf 31", 7, value) ||
           __kmp_str_match("leaf1f", 6, value) ||
           __kmp_str_match("leaf31", 6, value)) {
    __kmp_affinity_top_method = affinity_top_method_x2apicid_1f;
  } else if (__kmp_str_match("x2apic id", 9, value) ||
             __kmp_str_match("x2apic_id", 9, value) ||
             __kmp_str_match("x2apic-id", 9, value) ||
             __kmp_str_match("x2apicid", 8, value) ||
             __kmp_str_match("cpuid leaf 11", 13, value) ||
             __kmp_str_match("cpuid_leaf_11", 13, value) ||
             __kmp_str_match("cpuid-leaf-11", 13, value) ||
             __kmp_str_match("cpuid leaf11", 12, value) ||
             __kmp_str_match("cpuid_leaf11", 12, value) ||
             __kmp_str_match("cpuid-leaf11", 12, value) ||
             __kmp_str_match("cpuidleaf 11", 12, value) ||
             __kmp_str_match("cpuidleaf_11", 12, value) ||
             __kmp_str_match("cpuidleaf-11", 12, value) ||
             __kmp_str_match("cpuidleaf11", 11, value) ||
             __kmp_str_match("cpuid 11", 8, value) ||
             __kmp_str_match("cpuid_11", 8, value) ||
             __kmp_str_match("cpuid-11", 8, value) ||
             __kmp_str_match("cpuid11", 7, value) ||
             __kmp_str_match("leaf 11", 7, value) ||
             __kmp_str_match("leaf_11", 7, value) ||
             __kmp_str_match("leaf-11", 7, value) ||
             __kmp_str_match("leaf11", 6, value)) {
    __kmp_affinity_top_method = affinity_top_method_x2apicid;
  } else if (__kmp_str_match("apic id", 7, value) ||
             __kmp_str_match("apic_id", 7, value) ||
             __kmp_str_match("apic-id", 7, value) ||
             __kmp_str_match("apicid", 6, value) ||
             __kmp_str_match("cpuid leaf 4", 12, value) ||
             __kmp_str_match("cpuid_leaf_4", 12, value) ||
             __kmp_str_match("cpuid-leaf-4", 12, value) ||
             __kmp_str_match("cpuid leaf4", 11, value) ||
             __kmp_str_match("cpuid_leaf4", 11, value) ||
             __kmp_str_match("cpuid-leaf4", 11, value) ||
             __kmp_str_match("cpuidleaf 4", 11, value) ||
             __kmp_str_match("cpuidleaf_4", 11, value) ||
             __kmp_str_match("cpuidleaf-4", 11, value) ||
             __kmp_str_match("cpuidleaf4", 10, value) ||
             __kmp_str_match("cpuid 4", 7, value) ||
             __kmp_str_match("cpuid_4", 7, value) ||
             __kmp_str_match("cpuid-4", 7, value) ||
             __kmp_str_match("cpuid4", 6, value) ||
             __kmp_str_match("leaf 4", 6, value) ||
             __kmp_str_match("leaf_4", 6, value) ||
             __kmp_str_match("leaf-4", 6, value) ||
             __kmp_str_match("leaf4", 5, value)) {
    __kmp_affinity_top_method = affinity_top_method_apicid;
  }
#endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
  else if (__kmp_str_match("/proc/cpuinfo", 2, value) ||
           __kmp_str_match("cpuinfo", 5, value)) {
    __kmp_affinity_top_method = affinity_top_method_cpuinfo;
  }
#if KMP_GROUP_AFFINITY
  else if (__kmp_str_match("group", 1, value)) {
    __kmp_affinity_top_method = affinity_top_method_group;
  }
#endif /* KMP_GROUP_AFFINITY */
  else if (__kmp_str_match("flat", 1, value)) {
    __kmp_affinity_top_method = affinity_top_method_flat;
  } else {
    KMP_WARNING(StgInvalidValue, name, value);
  }
} // __kmp_stg_parse_topology_method

static void __kmp_stg_print_topology_method(kmp_str_buf_t *buffer,
                                            char const *name, void *data) {
  char const *value = NULL;

  switch (__kmp_affinity_top_method) {
  case affinity_top_method_default:
    value = "default";
    break;

  case affinity_top_method_all:
    value = "all";
    break;

#if KMP_ARCH_X86 || KMP_ARCH_X86_64
  case affinity_top_method_x2apicid_1f:
    value = "x2APIC id leaf 0x1f";
    break;

  case affinity_top_method_x2apicid:
    value = "x2APIC id leaf 0xb";
    break;

  case affinity_top_method_apicid:
    value = "APIC id";
    break;
#endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */

#if KMP_USE_HWLOC
  case affinity_top_method_hwloc:
    value = "hwloc";
    break;
#endif

  case affinity_top_method_cpuinfo:
    value = "cpuinfo";
    break;

#if KMP_GROUP_AFFINITY
  case affinity_top_method_group:
    value = "group";
    break;
#endif /* KMP_GROUP_AFFINITY */

  case affinity_top_method_flat:
    value = "flat";
    break;
  }

  if (value != NULL) {
    __kmp_stg_print_str(buffer, name, value);
  }
} // __kmp_stg_print_topology_method

// KMP_TEAMS_PROC_BIND
struct kmp_proc_bind_info_t {
  const char *name;
  kmp_proc_bind_t proc_bind;
};
static kmp_proc_bind_info_t proc_bind_table[] = {
    {"spread", proc_bind_spread},
    {"true", proc_bind_spread},
    {"close", proc_bind_close},
    // teams-bind = false means "replicate the primary thread's affinity"
    {"false", proc_bind_primary},
    {"primary", proc_bind_primary}};
static void __kmp_stg_parse_teams_proc_bind(char const *name, char const *value,
                                            void *data) {
  int valid;
  const char *end;
  valid = 0;
  for (size_t i = 0; i < sizeof(proc_bind_table) / sizeof(proc_bind_table[0]);
       ++i) {
    if (__kmp_match_str(proc_bind_table[i].name, value, &end)) {
      __kmp_teams_proc_bind = proc_bind_table[i].proc_bind;
      valid = 1;
      break;
    }
  }
  if (!valid) {
    KMP_WARNING(StgInvalidValue, name, value);
  }
}
static void __kmp_stg_print_teams_proc_bind(kmp_str_buf_t *buffer,
                                            char const *name, void *data) {
  const char *value = KMP_I18N_STR(NotDefined);
  for (size_t i = 0; i < sizeof(proc_bind_table) / sizeof(proc_bind_table[0]);
       ++i) {
    if (__kmp_teams_proc_bind == proc_bind_table[i].proc_bind) {
      value = proc_bind_table[i].name;
      break;
    }
  }
  __kmp_stg_print_str(buffer, name, value);
}
#endif /* KMP_AFFINITY_SUPPORTED */

// OMP_PROC_BIND / bind-var is functional on all 4.0 builds, including OS X*
// OMP_PLACES / place-partition-var is not.
static void __kmp_stg_parse_proc_bind(char const *name, char const *value,
                                      void *data) {
  kmp_setting_t **rivals = (kmp_setting_t **)data;
  int rc;

  rc = __kmp_stg_check_rivals(name, value, rivals);
  if (rc) {
    return;
  }

  // In OMP 4.0 OMP_PROC_BIND is a vector of proc_bind types.
  KMP_DEBUG_ASSERT((__kmp_nested_proc_bind.bind_types != NULL) &&
                   (__kmp_nested_proc_bind.used > 0));

  const char *buf = value;
  const char *next;
  int num;
  SKIP_WS(buf);
  if ((*buf >= '0') && (*buf <= '9')) {
    next = buf;
    SKIP_DIGITS(next);
    num = __kmp_str_to_int(buf, *next);
    KMP_ASSERT(num >= 0);
    buf = next;
    SKIP_WS(buf);
  } else {
    num = -1;
  }

  next = buf;
  if (__kmp_match_str("disabled", buf, &next)) {
    buf = next;
    SKIP_WS(buf);
#if KMP_AFFINITY_SUPPORTED
    __kmp_affinity_type = affinity_disabled;
#endif /* KMP_AFFINITY_SUPPORTED */
    __kmp_nested_proc_bind.used = 1;
    __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
  } else if ((num == (int)proc_bind_false) ||
             __kmp_match_str("false", buf, &next)) {
    buf = next;
    SKIP_WS(buf);
#if KMP_AFFINITY_SUPPORTED
    __kmp_affinity_type = affinity_none;
#endif /* KMP_AFFINITY_SUPPORTED */
    __kmp_nested_proc_bind.used = 1;
    __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
  } else if ((num == (int)proc_bind_true) ||
             __kmp_match_str("true", buf, &next)) {
    buf = next;
    SKIP_WS(buf);
    __kmp_nested_proc_bind.used = 1;
    __kmp_nested_proc_bind.bind_types[0] = proc_bind_true;
  } else {
    // Count the number of values in the env var string
    const char *scan;
    int nelem = 1;
    for (scan = buf; *scan != '\0'; scan++) {
      if (*scan == ',') {
        nelem++;
      }
    }

    // Create / expand the nested proc_bind array as needed
    if (__kmp_nested_proc_bind.size < nelem) {
      __kmp_nested_proc_bind.bind_types =
          (kmp_proc_bind_t *)KMP_INTERNAL_REALLOC(
              __kmp_nested_proc_bind.bind_types,
              sizeof(kmp_proc_bind_t) * nelem);
      if (__kmp_nested_proc_bind.bind_types == NULL) {
        KMP_FATAL(MemoryAllocFailed);
      }
      __kmp_nested_proc_bind.size = nelem;
    }
    __kmp_nested_proc_bind.used = nelem;

    if (nelem > 1 && !__kmp_dflt_max_active_levels_set)
      __kmp_dflt_max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT;

    // Save values in the nested proc_bind array
    int i = 0;
    for (;;) {
      enum kmp_proc_bind_t bind;

      if ((num == (int)proc_bind_primary) ||
          __kmp_match_str("master", buf, &next) ||
          __kmp_match_str("primary", buf, &next)) {
        buf = next;
        SKIP_WS(buf);
        bind = proc_bind_primary;
      } else if ((num == (int)proc_bind_close) ||
                 __kmp_match_str("close", buf, &next)) {
        buf = next;
        SKIP_WS(buf);
        bind = proc_bind_close;
      } else if ((num == (int)proc_bind_spread) ||
                 __kmp_match_str("spread", buf, &next)) {
        buf = next;
        SKIP_WS(buf);
        bind = proc_bind_spread;
      } else {
        KMP_WARNING(StgInvalidValue, name, value);
        __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
        __kmp_nested_proc_bind.used = 1;
        return;
      }

      __kmp_nested_proc_bind.bind_types[i++] = bind;
      if (i >= nelem) {
        break;
      }
      KMP_DEBUG_ASSERT(*buf == ',');
      buf++;
      SKIP_WS(buf);

      // Read next value if it was specified as an integer
      if ((*buf >= '0') && (*buf <= '9')) {
        next = buf;
        SKIP_DIGITS(next);
        num = __kmp_str_to_int(buf, *next);
        KMP_ASSERT(num >= 0);
        buf = next;
        SKIP_WS(buf);
      } else {
        num = -1;
      }
    }
    SKIP_WS(buf);
  }
  if (*buf != '\0') {
    KMP_WARNING(ParseExtraCharsWarn, name, buf);
  }
}

static void __kmp_stg_print_proc_bind(kmp_str_buf_t *buffer, char const *name,
                                      void *data) {
  int nelem = __kmp_nested_proc_bind.used;
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME;
  } else {
    __kmp_str_buf_print(buffer, "   %s", name);
  }
  if (nelem == 0) {
    __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
  } else {
    int i;
    __kmp_str_buf_print(buffer, "='", name);
    for (i = 0; i < nelem; i++) {
      switch (__kmp_nested_proc_bind.bind_types[i]) {
      case proc_bind_false:
        __kmp_str_buf_print(buffer, "false");
        break;

      case proc_bind_true:
        __kmp_str_buf_print(buffer, "true");
        break;

      case proc_bind_primary:
        __kmp_str_buf_print(buffer, "primary");
        break;

      case proc_bind_close:
        __kmp_str_buf_print(buffer, "close");
        break;

      case proc_bind_spread:
        __kmp_str_buf_print(buffer, "spread");
        break;

      case proc_bind_intel:
        __kmp_str_buf_print(buffer, "intel");
        break;

      case proc_bind_default:
        __kmp_str_buf_print(buffer, "default");
        break;
      }
      if (i < nelem - 1) {
        __kmp_str_buf_print(buffer, ",");
      }
    }
    __kmp_str_buf_print(buffer, "'\n");
  }
}

static void __kmp_stg_parse_display_affinity(char const *name,
                                             char const *value, void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_display_affinity);
}
static void __kmp_stg_print_display_affinity(kmp_str_buf_t *buffer,
                                             char const *name, void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_display_affinity);
}
static void __kmp_stg_parse_affinity_format(char const *name, char const *value,
                                            void *data) {
  size_t length = KMP_STRLEN(value);
  __kmp_strncpy_truncate(__kmp_affinity_format, KMP_AFFINITY_FORMAT_SIZE, value,
                         length);
}
static void __kmp_stg_print_affinity_format(kmp_str_buf_t *buffer,
                                            char const *name, void *data) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME_EX(name);
  } else {
    __kmp_str_buf_print(buffer, "   %s='", name);
  }
  __kmp_str_buf_print(buffer, "%s'\n", __kmp_affinity_format);
}

/*-----------------------------------------------------------------------------
OMP_ALLOCATOR sets default allocator. Here is the grammar:

<allocator>        |= <predef-allocator> | <predef-mem-space> |
                      <predef-mem-space>:<traits>
<traits>           |= <trait>=<value> | <trait>=<value>,<traits>
<predef-allocator> |= omp_default_mem_alloc | omp_large_cap_mem_alloc |
                      omp_const_mem_alloc | omp_high_bw_mem_alloc |
                      omp_low_lat_mem_alloc | omp_cgroup_mem_alloc |
                      omp_pteam_mem_alloc | omp_thread_mem_alloc
<predef-mem-space> |= omp_default_mem_space | omp_large_cap_mem_space |
                      omp_const_mem_space | omp_high_bw_mem_space |
                      omp_low_lat_mem_space
<trait>            |= sync_hint | alignment | access | pool_size | fallback |
                      fb_data | pinned | partition
<value>            |= one of the allowed values of trait |
                      non-negative integer | <predef-allocator>
-----------------------------------------------------------------------------*/

static void __kmp_stg_parse_allocator(char const *name, char const *value,
                                      void *data) {
  const char *buf = value;
  const char *next, *scan, *start;
  char *key;
  omp_allocator_handle_t al;
  omp_memspace_handle_t ms = omp_default_mem_space;
  bool is_memspace = false;
  int ntraits = 0, count = 0;

  SKIP_WS(buf);
  next = buf;
  const char *delim = strchr(buf, ':');
  const char *predef_mem_space = strstr(buf, "mem_space");

  bool is_memalloc = (!predef_mem_space && !delim) ? true : false;

  // Count the number of traits in the env var string
  if (delim) {
    ntraits = 1;
    for (scan = buf; *scan != '\0'; scan++) {
      if (*scan == ',')
        ntraits++;
    }
  }
  omp_alloctrait_t *traits =
      (omp_alloctrait_t *)KMP_ALLOCA(ntraits * sizeof(omp_alloctrait_t));

// Helper macros
#define IS_POWER_OF_TWO(n) (((n) & ((n)-1)) == 0)

#define GET_NEXT(sentinel)                                                     \
  {                                                                            \
    SKIP_WS(next);                                                             \
    if (*next == sentinel)                                                     \
      next++;                                                                  \
    SKIP_WS(next);                                                             \
    scan = next;                                                               \
  }

#define SKIP_PAIR(key)                                                         \
  {                                                                            \
    char const str_delimiter[] = {',', 0};                                     \
    char *value = __kmp_str_token(CCAST(char *, scan), str_delimiter,          \
                                  CCAST(char **, &next));                      \
    KMP_WARNING(StgInvalidValue, key, value);                                  \
    ntraits--;                                                                 \
    SKIP_WS(next);                                                             \
    scan = next;                                                               \
  }

#define SET_KEY()                                                              \
  {                                                                            \
    char const str_delimiter[] = {'=', 0};                                     \
    key = __kmp_str_token(CCAST(char *, start), str_delimiter,                 \
                          CCAST(char **, &next));                              \
    scan = next;                                                               \
  }

  scan = next;
  while (*next != '\0') {
    if (is_memalloc ||
        __kmp_match_str("fb_data", scan, &next)) { // allocator check
      start = scan;
      GET_NEXT('=');
      // check HBW and LCAP first as the only non-default supported
      if (__kmp_match_str("omp_high_bw_mem_alloc", scan, &next)) {
        SKIP_WS(next);
        if (is_memalloc) {
          if (__kmp_memkind_available) {
            __kmp_def_allocator = omp_high_bw_mem_alloc;
            return;
          } else {
            KMP_WARNING(OmpNoAllocator, "omp_high_bw_mem_alloc");
          }
        } else {
          traits[count].key = omp_atk_fb_data;
          traits[count].value = RCAST(omp_uintptr_t, omp_high_bw_mem_alloc);
        }
      } else if (__kmp_match_str("omp_large_cap_mem_alloc", scan, &next)) {
        SKIP_WS(next);
        if (is_memalloc) {
          if (__kmp_memkind_available) {
            __kmp_def_allocator = omp_large_cap_mem_alloc;
            return;
          } else {
            KMP_WARNING(OmpNoAllocator, "omp_large_cap_mem_alloc");
          }
        } else {
          traits[count].key = omp_atk_fb_data;
          traits[count].value = RCAST(omp_uintptr_t, omp_large_cap_mem_alloc);
        }
      } else if (__kmp_match_str("omp_default_mem_alloc", scan, &next)) {
        // default requested
        SKIP_WS(next);
        if (!is_memalloc) {
          traits[count].key = omp_atk_fb_data;
          traits[count].value = RCAST(omp_uintptr_t, omp_default_mem_alloc);
        }
      } else if (__kmp_match_str("omp_const_mem_alloc", scan, &next)) {
        SKIP_WS(next);
        if (is_memalloc) {
          KMP_WARNING(OmpNoAllocator, "omp_const_mem_alloc");
        } else {
          traits[count].key = omp_atk_fb_data;
          traits[count].value = RCAST(omp_uintptr_t, omp_const_mem_alloc);
        }
      } else if (__kmp_match_str("omp_low_lat_mem_alloc", scan, &next)) {
        SKIP_WS(next);
        if (is_memalloc) {
          KMP_WARNING(OmpNoAllocator, "omp_low_lat_mem_alloc");
        } else {
          traits[count].key = omp_atk_fb_data;
          traits[count].value = RCAST(omp_uintptr_t, omp_low_lat_mem_alloc);
        }
      } else if (__kmp_match_str("omp_cgroup_mem_alloc", scan, &next)) {
        SKIP_WS(next);
        if (is_memalloc) {
          KMP_WARNING(OmpNoAllocator, "omp_cgroup_mem_alloc");
        } else {
          traits[count].key = omp_atk_fb_data;
          traits[count].value = RCAST(omp_uintptr_t, omp_cgroup_mem_alloc);
        }
      } else if (__kmp_match_str("omp_pteam_mem_alloc", scan, &next)) {
        SKIP_WS(next);
        if (is_memalloc) {
          KMP_WARNING(OmpNoAllocator, "omp_pteam_mem_alloc");
        } else {
          traits[count].key = omp_atk_fb_data;
          traits[count].value = RCAST(omp_uintptr_t, omp_pteam_mem_alloc);
        }
      } else if (__kmp_match_str("omp_thread_mem_alloc", scan, &next)) {
        SKIP_WS(next);
        if (is_memalloc) {
          KMP_WARNING(OmpNoAllocator, "omp_thread_mem_alloc");
        } else {
          traits[count].key = omp_atk_fb_data;
          traits[count].value = RCAST(omp_uintptr_t, omp_thread_mem_alloc);
        }
      } else {
        if (!is_memalloc) {
          SET_KEY();
          SKIP_PAIR(key);
          continue;
        }
      }
      if (is_memalloc) {
        __kmp_def_allocator = omp_default_mem_alloc;
        if (next == buf || *next != '\0') {
          // either no match or extra symbols present after the matched token
          KMP_WARNING(StgInvalidValue, name, value);
        }
        return;
      } else {
        ++count;
        if (count == ntraits)
          break;
        GET_NEXT(',');
      }
    } else { // memspace
      if (!is_memspace) {
        if (__kmp_match_str("omp_default_mem_space", scan, &next)) {
          SKIP_WS(next);
          ms = omp_default_mem_space;
        } else if (__kmp_match_str("omp_large_cap_mem_space", scan, &next)) {
          SKIP_WS(next);
          ms = omp_large_cap_mem_space;
        } else if (__kmp_match_str("omp_const_mem_space", scan, &next)) {
          SKIP_WS(next);
          ms = omp_const_mem_space;
        } else if (__kmp_match_str("omp_high_bw_mem_space", scan, &next)) {
          SKIP_WS(next);
          ms = omp_high_bw_mem_space;
        } else if (__kmp_match_str("omp_low_lat_mem_space", scan, &next)) {
          SKIP_WS(next);
          ms = omp_low_lat_mem_space;
        } else {
          __kmp_def_allocator = omp_default_mem_alloc;
          if (next == buf || *next != '\0') {
            // either no match or extra symbols present after the matched token
            KMP_WARNING(StgInvalidValue, name, value);
          }
          return;
        }
        is_memspace = true;
      }
      if (delim) { // traits
        GET_NEXT(':');
        start = scan;
        if (__kmp_match_str("sync_hint", scan, &next)) {
          GET_NEXT('=');
          traits[count].key = omp_atk_sync_hint;
          if (__kmp_match_str("contended", scan, &next)) {
            traits[count].value = omp_atv_contended;
          } else if (__kmp_match_str("uncontended", scan, &next)) {
            traits[count].value = omp_atv_uncontended;
          } else if (__kmp_match_str("serialized", scan, &next)) {
            traits[count].value = omp_atv_serialized;
          } else if (__kmp_match_str("private", scan, &next)) {
            traits[count].value = omp_atv_private;
          } else {
            SET_KEY();
            SKIP_PAIR(key);
            continue;
          }
        } else if (__kmp_match_str("alignment", scan, &next)) {
          GET_NEXT('=');
          if (!isdigit(*next)) {
            SET_KEY();
            SKIP_PAIR(key);
            continue;
          }
          SKIP_DIGITS(next);
          int n = __kmp_str_to_int(scan, ',');
          if (n < 0 || !IS_POWER_OF_TWO(n)) {
            SET_KEY();
            SKIP_PAIR(key);
            continue;
          }
          traits[count].key = omp_atk_alignment;
          traits[count].value = n;
        } else if (__kmp_match_str("access", scan, &next)) {
          GET_NEXT('=');
          traits[count].key = omp_atk_access;
          if (__kmp_match_str("all", scan, &next)) {
            traits[count].value = omp_atv_all;
          } else if (__kmp_match_str("cgroup", scan, &next)) {
            traits[count].value = omp_atv_cgroup;
          } else if (__kmp_match_str("pteam", scan, &next)) {
            traits[count].value = omp_atv_pteam;
          } else if (__kmp_match_str("thread", scan, &next)) {
            traits[count].value = omp_atv_thread;
          } else {
            SET_KEY();
            SKIP_PAIR(key);
            continue;
          }
        } else if (__kmp_match_str("pool_size", scan, &next)) {
          GET_NEXT('=');
          if (!isdigit(*next)) {
            SET_KEY();
            SKIP_PAIR(key);
            continue;
          }
          SKIP_DIGITS(next);
          int n = __kmp_str_to_int(scan, ',');
          if (n < 0) {
            SET_KEY();
            SKIP_PAIR(key);
            continue;
          }
          traits[count].key = omp_atk_pool_size;
          traits[count].value = n;
        } else if (__kmp_match_str("fallback", scan, &next)) {
          GET_NEXT('=');
          traits[count].key = omp_atk_fallback;
          if (__kmp_match_str("default_mem_fb", scan, &next)) {
            traits[count].value = omp_atv_default_mem_fb;
          } else if (__kmp_match_str("null_fb", scan, &next)) {
            traits[count].value = omp_atv_null_fb;
          } else if (__kmp_match_str("abort_fb", scan, &next)) {
            traits[count].value = omp_atv_abort_fb;
          } else if (__kmp_match_str("allocator_fb", scan, &next)) {
            traits[count].value = omp_atv_allocator_fb;
          } else {
            SET_KEY();
            SKIP_PAIR(key);
            continue;
          }
        } else if (__kmp_match_str("pinned", scan, &next)) {
          GET_NEXT('=');
          traits[count].key = omp_atk_pinned;
          if (__kmp_str_match_true(next)) {
            traits[count].value = omp_atv_true;
          } else if (__kmp_str_match_false(next)) {
            traits[count].value = omp_atv_false;
          } else {
            SET_KEY();
            SKIP_PAIR(key);
            continue;
          }
        } else if (__kmp_match_str("partition", scan, &next)) {
          GET_NEXT('=');
          traits[count].key = omp_atk_partition;
          if (__kmp_match_str("environment", scan, &next)) {
            traits[count].value = omp_atv_environment;
          } else if (__kmp_match_str("nearest", scan, &next)) {
            traits[count].value = omp_atv_nearest;
          } else if (__kmp_match_str("blocked", scan, &next)) {
            traits[count].value = omp_atv_blocked;
          } else if (__kmp_match_str("interleaved", scan, &next)) {
            traits[count].value = omp_atv_interleaved;
          } else {
            SET_KEY();
            SKIP_PAIR(key);
            continue;
          }
        } else {
          SET_KEY();
          SKIP_PAIR(key);
          continue;
        }
        SKIP_WS(next);
        ++count;
        if (count == ntraits)
          break;
        GET_NEXT(',');
      } // traits
    } // memspace
  } // while
  al = __kmpc_init_allocator(__kmp_get_gtid(), ms, ntraits, traits);
  __kmp_def_allocator = (al == omp_null_allocator) ? omp_default_mem_alloc : al;
}

static void __kmp_stg_print_allocator(kmp_str_buf_t *buffer, char const *name,
                                      void *data) {
  if (__kmp_def_allocator == omp_default_mem_alloc) {
    __kmp_stg_print_str(buffer, name, "omp_default_mem_alloc");
  } else if (__kmp_def_allocator == omp_high_bw_mem_alloc) {
    __kmp_stg_print_str(buffer, name, "omp_high_bw_mem_alloc");
  } else if (__kmp_def_allocator == omp_large_cap_mem_alloc) {
    __kmp_stg_print_str(buffer, name, "omp_large_cap_mem_alloc");
  } else if (__kmp_def_allocator == omp_const_mem_alloc) {
    __kmp_stg_print_str(buffer, name, "omp_const_mem_alloc");
  } else if (__kmp_def_allocator == omp_low_lat_mem_alloc) {
    __kmp_stg_print_str(buffer, name, "omp_low_lat_mem_alloc");
  } else if (__kmp_def_allocator == omp_cgroup_mem_alloc) {
    __kmp_stg_print_str(buffer, name, "omp_cgroup_mem_alloc");
  } else if (__kmp_def_allocator == omp_pteam_mem_alloc) {
    __kmp_stg_print_str(buffer, name, "omp_pteam_mem_alloc");
  } else if (__kmp_def_allocator == omp_thread_mem_alloc) {
    __kmp_stg_print_str(buffer, name, "omp_thread_mem_alloc");
  }
}

// -----------------------------------------------------------------------------
// OMP_DYNAMIC

static void __kmp_stg_parse_omp_dynamic(char const *name, char const *value,
                                        void *data) {
  __kmp_stg_parse_bool(name, value, &(__kmp_global.g.g_dynamic));
} // __kmp_stg_parse_omp_dynamic

static void __kmp_stg_print_omp_dynamic(kmp_str_buf_t *buffer, char const *name,
                                        void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_global.g.g_dynamic);
} // __kmp_stg_print_omp_dynamic

static void __kmp_stg_parse_kmp_dynamic_mode(char const *name,
                                             char const *value, void *data) {
  if (TCR_4(__kmp_init_parallel)) {
    KMP_WARNING(EnvParallelWarn, name);
    __kmp_env_toPrint(name, 0);
    return;
  }
#ifdef USE_LOAD_BALANCE
  else if (__kmp_str_match("load balance", 2, value) ||
           __kmp_str_match("load_balance", 2, value) ||
           __kmp_str_match("load-balance", 2, value) ||
           __kmp_str_match("loadbalance", 2, value) ||
           __kmp_str_match("balance", 1, value)) {
    __kmp_global.g.g_dynamic_mode = dynamic_load_balance;
  }
#endif /* USE_LOAD_BALANCE */
  else if (__kmp_str_match("thread limit", 1, value) ||
           __kmp_str_match("thread_limit", 1, value) ||
           __kmp_str_match("thread-limit", 1, value) ||
           __kmp_str_match("threadlimit", 1, value) ||
           __kmp_str_match("limit", 2, value)) {
    __kmp_global.g.g_dynamic_mode = dynamic_thread_limit;
  } else if (__kmp_str_match("random", 1, value)) {
    __kmp_global.g.g_dynamic_mode = dynamic_random;
  } else {
    KMP_WARNING(StgInvalidValue, name, value);
  }
} //__kmp_stg_parse_kmp_dynamic_mode

static void __kmp_stg_print_kmp_dynamic_mode(kmp_str_buf_t *buffer,
                                             char const *name, void *data) {
#if KMP_DEBUG
  if (__kmp_global.g.g_dynamic_mode == dynamic_default) {
    __kmp_str_buf_print(buffer, "   %s: %s \n", name, KMP_I18N_STR(NotDefined));
  }
#ifdef USE_LOAD_BALANCE
  else if (__kmp_global.g.g_dynamic_mode == dynamic_load_balance) {
    __kmp_stg_print_str(buffer, name, "load balance");
  }
#endif /* USE_LOAD_BALANCE */
  else if (__kmp_global.g.g_dynamic_mode == dynamic_thread_limit) {
    __kmp_stg_print_str(buffer, name, "thread limit");
  } else if (__kmp_global.g.g_dynamic_mode == dynamic_random) {
    __kmp_stg_print_str(buffer, name, "random");
  } else {
    KMP_ASSERT(0);
  }
#endif /* KMP_DEBUG */
} // __kmp_stg_print_kmp_dynamic_mode

#ifdef USE_LOAD_BALANCE

// -----------------------------------------------------------------------------
// KMP_LOAD_BALANCE_INTERVAL

static void __kmp_stg_parse_ld_balance_interval(char const *name,
                                                char const *value, void *data) {
  double interval = __kmp_convert_to_double(value);
  if (interval >= 0) {
    __kmp_load_balance_interval = interval;
  } else {
    KMP_WARNING(StgInvalidValue, name, value);
  }
} // __kmp_stg_parse_load_balance_interval

static void __kmp_stg_print_ld_balance_interval(kmp_str_buf_t *buffer,
                                                char const *name, void *data) {
#if KMP_DEBUG
  __kmp_str_buf_print(buffer, "   %s=%8.6f\n", name,
                      __kmp_load_balance_interval);
#endif /* KMP_DEBUG */
} // __kmp_stg_print_load_balance_interval

#endif /* USE_LOAD_BALANCE */

// -----------------------------------------------------------------------------
// KMP_INIT_AT_FORK

static void __kmp_stg_parse_init_at_fork(char const *name, char const *value,
                                         void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_need_register_atfork);
  if (__kmp_need_register_atfork) {
    __kmp_need_register_atfork_specified = TRUE;
  }
} // __kmp_stg_parse_init_at_fork

static void __kmp_stg_print_init_at_fork(kmp_str_buf_t *buffer,
                                         char const *name, void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_need_register_atfork_specified);
} // __kmp_stg_print_init_at_fork

// -----------------------------------------------------------------------------
// KMP_SCHEDULE

static void __kmp_stg_parse_schedule(char const *name, char const *value,
                                     void *data) {

  if (value != NULL) {
    size_t length = KMP_STRLEN(value);
    if (length > INT_MAX) {
      KMP_WARNING(LongValue, name);
    } else {
      const char *semicolon;
      if (value[length - 1] == '"' || value[length - 1] == '\'')
        KMP_WARNING(UnbalancedQuotes, name);
      do {
        char sentinel;

        semicolon = strchr(value, ';');
        if (*value && semicolon != value) {
          const char *comma = strchr(value, ',');

          if (comma) {
            ++comma;
            sentinel = ',';
          } else
            sentinel = ';';
          if (!__kmp_strcasecmp_with_sentinel("static", value, sentinel)) {
            if (!__kmp_strcasecmp_with_sentinel("greedy", comma, ';')) {
              __kmp_static = kmp_sch_static_greedy;
              continue;
            } else if (!__kmp_strcasecmp_with_sentinel("balanced", comma,
                                                       ';')) {
              __kmp_static = kmp_sch_static_balanced;
              continue;
            }
          } else if (!__kmp_strcasecmp_with_sentinel("guided", value,
                                                     sentinel)) {
            if (!__kmp_strcasecmp_with_sentinel("iterative", comma, ';')) {
              __kmp_guided = kmp_sch_guided_iterative_chunked;
              continue;
            } else if (!__kmp_strcasecmp_with_sentinel("analytical", comma,
                                                       ';')) {
              /* analytical not allowed for too many threads */
              __kmp_guided = kmp_sch_guided_analytical_chunked;
              continue;
            }
          }
          KMP_WARNING(InvalidClause, name, value);
        } else
          KMP_WARNING(EmptyClause, name);
      } while ((value = semicolon ? semicolon + 1 : NULL));
    }
  }

} // __kmp_stg_parse__schedule

static void __kmp_stg_print_schedule(kmp_str_buf_t *buffer, char const *name,
                                     void *data) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME_EX(name);
  } else {
    __kmp_str_buf_print(buffer, "   %s='", name);
  }
  if (__kmp_static == kmp_sch_static_greedy) {
    __kmp_str_buf_print(buffer, "%s", "static,greedy");
  } else if (__kmp_static == kmp_sch_static_balanced) {
    __kmp_str_buf_print(buffer, "%s", "static,balanced");
  }
  if (__kmp_guided == kmp_sch_guided_iterative_chunked) {
    __kmp_str_buf_print(buffer, ";%s'\n", "guided,iterative");
  } else if (__kmp_guided == kmp_sch_guided_analytical_chunked) {
    __kmp_str_buf_print(buffer, ";%s'\n", "guided,analytical");
  }
} // __kmp_stg_print_schedule

// -----------------------------------------------------------------------------
// OMP_SCHEDULE

static inline void __kmp_omp_schedule_restore() {
#if KMP_USE_HIER_SCHED
  __kmp_hier_scheds.deallocate();
#endif
  __kmp_chunk = 0;
  __kmp_sched = kmp_sch_default;
}

// if parse_hier = true:
//    Parse [HW,][modifier:]kind[,chunk]
// else:
//    Parse [modifier:]kind[,chunk]
static const char *__kmp_parse_single_omp_schedule(const char *name,
                                                   const char *value,
                                                   bool parse_hier = false) {
  /* get the specified scheduling style */
  const char *ptr = value;
  const char *delim;
  int chunk = 0;
  enum sched_type sched = kmp_sch_default;
  if (*ptr == '\0')
    return NULL;
  delim = ptr;
  while (*delim != ',' && *delim != ':' && *delim != '\0')
    delim++;
#if KMP_USE_HIER_SCHED
  kmp_hier_layer_e layer = kmp_hier_layer_e::LAYER_THREAD;
  if (parse_hier) {
    if (*delim == ',') {
      if (!__kmp_strcasecmp_with_sentinel("L1", ptr, ',')) {
        layer = kmp_hier_layer_e::LAYER_L1;
      } else if (!__kmp_strcasecmp_with_sentinel("L2", ptr, ',')) {
        layer = kmp_hier_layer_e::LAYER_L2;
      } else if (!__kmp_strcasecmp_with_sentinel("L3", ptr, ',')) {
        layer = kmp_hier_layer_e::LAYER_L3;
      } else if (!__kmp_strcasecmp_with_sentinel("NUMA", ptr, ',')) {
        layer = kmp_hier_layer_e::LAYER_NUMA;
      }
    }
    if (layer != kmp_hier_layer_e::LAYER_THREAD && *delim != ',') {
      // If there is no comma after the layer, then this schedule is invalid
      KMP_WARNING(StgInvalidValue, name, value);
      __kmp_omp_schedule_restore();
      return NULL;
    } else if (layer != kmp_hier_layer_e::LAYER_THREAD) {
      ptr = ++delim;
      while (*delim != ',' && *delim != ':' && *delim != '\0')
        delim++;
    }
  }
#endif // KMP_USE_HIER_SCHED
  // Read in schedule modifier if specified
  enum sched_type sched_modifier = (enum sched_type)0;
  if (*delim == ':') {
    if (!__kmp_strcasecmp_with_sentinel("monotonic", ptr, *delim)) {
      sched_modifier = sched_type::kmp_sch_modifier_monotonic;
      ptr = ++delim;
      while (*delim != ',' && *delim != ':' && *delim != '\0')
        delim++;
    } else if (!__kmp_strcasecmp_with_sentinel("nonmonotonic", ptr, *delim)) {
      sched_modifier = sched_type::kmp_sch_modifier_nonmonotonic;
      ptr = ++delim;
      while (*delim != ',' && *delim != ':' && *delim != '\0')
        delim++;
    } else if (!parse_hier) {
      // If there is no proper schedule modifier, then this schedule is invalid
      KMP_WARNING(StgInvalidValue, name, value);
      __kmp_omp_schedule_restore();
      return NULL;
    }
  }
  // Read in schedule kind (required)
  if (!__kmp_strcasecmp_with_sentinel("dynamic", ptr, *delim))
    sched = kmp_sch_dynamic_chunked;
  else if (!__kmp_strcasecmp_with_sentinel("guided", ptr, *delim))
    sched = kmp_sch_guided_chunked;
  // AC: TODO: probably remove TRAPEZOIDAL (OMP 3.0 does not allow it)
  else if (!__kmp_strcasecmp_with_sentinel("auto", ptr, *delim))
    sched = kmp_sch_auto;
  else if (!__kmp_strcasecmp_with_sentinel("trapezoidal", ptr, *delim))
    sched = kmp_sch_trapezoidal;
  else if (!__kmp_strcasecmp_with_sentinel("static", ptr, *delim))
    sched = kmp_sch_static;
#if KMP_STATIC_STEAL_ENABLED
  else if (!__kmp_strcasecmp_with_sentinel("static_steal", ptr, *delim)) {
    // replace static_steal with dynamic to better cope with ordered loops
    sched = kmp_sch_dynamic_chunked;
    sched_modifier = sched_type::kmp_sch_modifier_nonmonotonic;
  }
#endif
  else {
    // If there is no proper schedule kind, then this schedule is invalid
    KMP_WARNING(StgInvalidValue, name, value);
    __kmp_omp_schedule_restore();
    return NULL;
  }

  // Read in schedule chunk size if specified
  if (*delim == ',') {
    ptr = delim + 1;
    SKIP_WS(ptr);
    if (!isdigit(*ptr)) {
      // If there is no chunk after comma, then this schedule is invalid
      KMP_WARNING(StgInvalidValue, name, value);
      __kmp_omp_schedule_restore();
      return NULL;
    }
    SKIP_DIGITS(ptr);
    // auto schedule should not specify chunk size
    if (sched == kmp_sch_auto) {
      __kmp_msg(kmp_ms_warning, KMP_MSG(IgnoreChunk, name, delim),
                __kmp_msg_null);
    } else {
      if (sched == kmp_sch_static)
        sched = kmp_sch_static_chunked;
      chunk = __kmp_str_to_int(delim + 1, *ptr);
      if (chunk < 1) {
        chunk = KMP_DEFAULT_CHUNK;
        __kmp_msg(kmp_ms_warning, KMP_MSG(InvalidChunk, name, delim),
                  __kmp_msg_null);
        KMP_INFORM(Using_int_Value, name, __kmp_chunk);
        // AC: next block commented out until KMP_DEFAULT_CHUNK != KMP_MIN_CHUNK
        // (to improve code coverage :)
        // The default chunk size is 1 according to standard, thus making
        // KMP_MIN_CHUNK not 1 we would introduce mess:
        // wrong chunk becomes 1, but it will be impossible to explicitly set
        // to 1 because it becomes KMP_MIN_CHUNK...
        // } else if ( chunk < KMP_MIN_CHUNK ) {
        //   chunk = KMP_MIN_CHUNK;
      } else if (chunk > KMP_MAX_CHUNK) {
        chunk = KMP_MAX_CHUNK;
        __kmp_msg(kmp_ms_warning, KMP_MSG(LargeChunk, name, delim),
                  __kmp_msg_null);
        KMP_INFORM(Using_int_Value, name, chunk);
      }
    }
  } else {
    ptr = delim;
  }

  SCHEDULE_SET_MODIFIERS(sched, sched_modifier);

#if KMP_USE_HIER_SCHED
  if (layer != kmp_hier_layer_e::LAYER_THREAD) {
    __kmp_hier_scheds.append(sched, chunk, layer);
  } else
#endif
  {
    __kmp_chunk = chunk;
    __kmp_sched = sched;
  }
  return ptr;
}

static void __kmp_stg_parse_omp_schedule(char const *name, char const *value,
                                         void *data) {
  size_t length;
  const char *ptr = value;
  SKIP_WS(ptr);
  if (value) {
    length = KMP_STRLEN(value);
    if (length) {
      if (value[length - 1] == '"' || value[length - 1] == '\'')
        KMP_WARNING(UnbalancedQuotes, name);
/* get the specified scheduling style */
#if KMP_USE_HIER_SCHED
      if (!__kmp_strcasecmp_with_sentinel("EXPERIMENTAL", ptr, ' ')) {
        SKIP_TOKEN(ptr);
        SKIP_WS(ptr);
        while ((ptr = __kmp_parse_single_omp_schedule(name, ptr, true))) {
          while (*ptr == ' ' || *ptr == '\t' || *ptr == ':')
            ptr++;
          if (*ptr == '\0')
            break;
        }
      } else
#endif
        __kmp_parse_single_omp_schedule(name, ptr);
    } else
      KMP_WARNING(EmptyString, name);
  }
#if KMP_USE_HIER_SCHED
  __kmp_hier_scheds.sort();
#endif
  K_DIAG(1, ("__kmp_static == %d\n", __kmp_static))
  K_DIAG(1, ("__kmp_guided == %d\n", __kmp_guided))
  K_DIAG(1, ("__kmp_sched == %d\n", __kmp_sched))
  K_DIAG(1, ("__kmp_chunk == %d\n", __kmp_chunk))
} // __kmp_stg_parse_omp_schedule

static void __kmp_stg_print_omp_schedule(kmp_str_buf_t *buffer,
                                         char const *name, void *data) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME_EX(name);
  } else {
    __kmp_str_buf_print(buffer, "   %s='", name);
  }
  enum sched_type sched = SCHEDULE_WITHOUT_MODIFIERS(__kmp_sched);
  if (SCHEDULE_HAS_MONOTONIC(__kmp_sched)) {
    __kmp_str_buf_print(buffer, "monotonic:");
  } else if (SCHEDULE_HAS_NONMONOTONIC(__kmp_sched)) {
    __kmp_str_buf_print(buffer, "nonmonotonic:");
  }
  if (__kmp_chunk) {
    switch (sched) {
    case kmp_sch_dynamic_chunked:
      __kmp_str_buf_print(buffer, "%s,%d'\n", "dynamic", __kmp_chunk);
      break;
    case kmp_sch_guided_iterative_chunked:
    case kmp_sch_guided_analytical_chunked:
      __kmp_str_buf_print(buffer, "%s,%d'\n", "guided", __kmp_chunk);
      break;
    case kmp_sch_trapezoidal:
      __kmp_str_buf_print(buffer, "%s,%d'\n", "trapezoidal", __kmp_chunk);
      break;
    case kmp_sch_static:
    case kmp_sch_static_chunked:
    case kmp_sch_static_balanced:
    case kmp_sch_static_greedy:
      __kmp_str_buf_print(buffer, "%s,%d'\n", "static", __kmp_chunk);
      break;
    case kmp_sch_static_steal:
      __kmp_str_buf_print(buffer, "%s,%d'\n", "static_steal", __kmp_chunk);
      break;
    case kmp_sch_auto:
      __kmp_str_buf_print(buffer, "%s,%d'\n", "auto", __kmp_chunk);
      break;
    }
  } else {
    switch (sched) {
    case kmp_sch_dynamic_chunked:
      __kmp_str_buf_print(buffer, "%s'\n", "dynamic");
      break;
    case kmp_sch_guided_iterative_chunked:
    case kmp_sch_guided_analytical_chunked:
      __kmp_str_buf_print(buffer, "%s'\n", "guided");
      break;
    case kmp_sch_trapezoidal:
      __kmp_str_buf_print(buffer, "%s'\n", "trapezoidal");
      break;
    case kmp_sch_static:
    case kmp_sch_static_chunked:
    case kmp_sch_static_balanced:
    case kmp_sch_static_greedy:
      __kmp_str_buf_print(buffer, "%s'\n", "static");
      break;
    case kmp_sch_static_steal:
      __kmp_str_buf_print(buffer, "%s'\n", "static_steal");
      break;
    case kmp_sch_auto:
      __kmp_str_buf_print(buffer, "%s'\n", "auto");
      break;
    }
  }
} // __kmp_stg_print_omp_schedule

#if KMP_USE_HIER_SCHED
// -----------------------------------------------------------------------------
// KMP_DISP_HAND_THREAD
static void __kmp_stg_parse_kmp_hand_thread(char const *name, char const *value,
                                            void *data) {
  __kmp_stg_parse_bool(name, value, &(__kmp_dispatch_hand_threading));
} // __kmp_stg_parse_kmp_hand_thread

static void __kmp_stg_print_kmp_hand_thread(kmp_str_buf_t *buffer,
                                            char const *name, void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_dispatch_hand_threading);
} // __kmp_stg_print_kmp_hand_thread
#endif

// -----------------------------------------------------------------------------
// KMP_FORCE_MONOTONIC_DYNAMIC_SCHEDULE
static void __kmp_stg_parse_kmp_force_monotonic(char const *name,
                                                char const *value, void *data) {
  __kmp_stg_parse_bool(name, value, &(__kmp_force_monotonic));
} // __kmp_stg_parse_kmp_force_monotonic

static void __kmp_stg_print_kmp_force_monotonic(kmp_str_buf_t *buffer,
                                                char const *name, void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_force_monotonic);
} // __kmp_stg_print_kmp_force_monotonic

// -----------------------------------------------------------------------------
// KMP_ATOMIC_MODE

static void __kmp_stg_parse_atomic_mode(char const *name, char const *value,
                                        void *data) {
  // Modes: 0 -- do not change default; 1 -- Intel perf mode, 2 -- GOMP
  // compatibility mode.
  int mode = 0;
  int max = 1;
#ifdef KMP_GOMP_COMPAT
  max = 2;
#endif /* KMP_GOMP_COMPAT */
  __kmp_stg_parse_int(name, value, 0, max, &mode);
  // TODO; parse_int is not very suitable for this case. In case of overflow it
  // is better to use
  // 0 rather that max value.
  if (mode > 0) {
    __kmp_atomic_mode = mode;
  }
} // __kmp_stg_parse_atomic_mode

static void __kmp_stg_print_atomic_mode(kmp_str_buf_t *buffer, char const *name,
                                        void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_atomic_mode);
} // __kmp_stg_print_atomic_mode

// -----------------------------------------------------------------------------
// KMP_CONSISTENCY_CHECK

static void __kmp_stg_parse_consistency_check(char const *name,
                                              char const *value, void *data) {
  if (!__kmp_strcasecmp_with_sentinel("all", value, 0)) {
    // Note, this will not work from kmp_set_defaults because th_cons stack was
    // not allocated
    // for existed thread(s) thus the first __kmp_push_<construct> will break
    // with assertion.
    // TODO: allocate th_cons if called from kmp_set_defaults.
    __kmp_env_consistency_check = TRUE;
  } else if (!__kmp_strcasecmp_with_sentinel("none", value, 0)) {
    __kmp_env_consistency_check = FALSE;
  } else {
    KMP_WARNING(StgInvalidValue, name, value);
  }
} // __kmp_stg_parse_consistency_check

static void __kmp_stg_print_consistency_check(kmp_str_buf_t *buffer,
                                              char const *name, void *data) {
#if KMP_DEBUG
  const char *value = NULL;

  if (__kmp_env_consistency_check) {
    value = "all";
  } else {
    value = "none";
  }

  if (value != NULL) {
    __kmp_stg_print_str(buffer, name, value);
  }
#endif /* KMP_DEBUG */
} // __kmp_stg_print_consistency_check

#if USE_ITT_BUILD
// -----------------------------------------------------------------------------
// KMP_ITT_PREPARE_DELAY

#if USE_ITT_NOTIFY

static void __kmp_stg_parse_itt_prepare_delay(char const *name,
                                              char const *value, void *data) {
  // Experimental code: KMP_ITT_PREPARE_DELAY specifies numbert of loop
  // iterations.
  int delay = 0;
  __kmp_stg_parse_int(name, value, 0, INT_MAX, &delay);
  __kmp_itt_prepare_delay = delay;
} // __kmp_str_parse_itt_prepare_delay

static void __kmp_stg_print_itt_prepare_delay(kmp_str_buf_t *buffer,
                                              char const *name, void *data) {
  __kmp_stg_print_uint64(buffer, name, __kmp_itt_prepare_delay);

} // __kmp_str_print_itt_prepare_delay

#endif // USE_ITT_NOTIFY
#endif /* USE_ITT_BUILD */

// -----------------------------------------------------------------------------
// KMP_MALLOC_POOL_INCR

static void __kmp_stg_parse_malloc_pool_incr(char const *name,
                                             char const *value, void *data) {
  __kmp_stg_parse_size(name, value, KMP_MIN_MALLOC_POOL_INCR,
                       KMP_MAX_MALLOC_POOL_INCR, NULL, &__kmp_malloc_pool_incr,
                       1);
} // __kmp_stg_parse_malloc_pool_incr

static void __kmp_stg_print_malloc_pool_incr(kmp_str_buf_t *buffer,
                                             char const *name, void *data) {
  __kmp_stg_print_size(buffer, name, __kmp_malloc_pool_incr);

} // _kmp_stg_print_malloc_pool_incr

#ifdef KMP_DEBUG

// -----------------------------------------------------------------------------
// KMP_PAR_RANGE

static void __kmp_stg_parse_par_range_env(char const *name, char const *value,
                                          void *data) {
  __kmp_stg_parse_par_range(name, value, &__kmp_par_range,
                            __kmp_par_range_routine, __kmp_par_range_filename,
                            &__kmp_par_range_lb, &__kmp_par_range_ub);
} // __kmp_stg_parse_par_range_env

static void __kmp_stg_print_par_range_env(kmp_str_buf_t *buffer,
                                          char const *name, void *data) {
  if (__kmp_par_range != 0) {
    __kmp_stg_print_str(buffer, name, par_range_to_print);
  }
} // __kmp_stg_print_par_range_env

#endif

// -----------------------------------------------------------------------------
// KMP_GTID_MODE

static void __kmp_stg_parse_gtid_mode(char const *name, char const *value,
                                      void *data) {
  // Modes:
  //   0 -- do not change default
  //   1 -- sp search
  //   2 -- use "keyed" TLS var, i.e.
  //        pthread_getspecific(Linux* OS/OS X*) or TlsGetValue(Windows* OS)
  //   3 -- __declspec(thread) TLS var in tdata section
  int mode = 0;
  int max = 2;
#ifdef KMP_TDATA_GTID
  max = 3;
#endif /* KMP_TDATA_GTID */
  __kmp_stg_parse_int(name, value, 0, max, &mode);
  // TODO; parse_int is not very suitable for this case. In case of overflow it
  // is better to use 0 rather that max value.
  if (mode == 0) {
    __kmp_adjust_gtid_mode = TRUE;
  } else {
    __kmp_gtid_mode = mode;
    __kmp_adjust_gtid_mode = FALSE;
  }
} // __kmp_str_parse_gtid_mode

static void __kmp_stg_print_gtid_mode(kmp_str_buf_t *buffer, char const *name,
                                      void *data) {
  if (__kmp_adjust_gtid_mode) {
    __kmp_stg_print_int(buffer, name, 0);
  } else {
    __kmp_stg_print_int(buffer, name, __kmp_gtid_mode);
  }
} // __kmp_stg_print_gtid_mode

// -----------------------------------------------------------------------------
// KMP_NUM_LOCKS_IN_BLOCK

static void __kmp_stg_parse_lock_block(char const *name, char const *value,
                                       void *data) {
  __kmp_stg_parse_int(name, value, 0, KMP_INT_MAX, &__kmp_num_locks_in_block);
} // __kmp_str_parse_lock_block

static void __kmp_stg_print_lock_block(kmp_str_buf_t *buffer, char const *name,
                                       void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_num_locks_in_block);
} // __kmp_stg_print_lock_block

// -----------------------------------------------------------------------------
// KMP_LOCK_KIND

#if KMP_USE_DYNAMIC_LOCK
#define KMP_STORE_LOCK_SEQ(a) (__kmp_user_lock_seq = lockseq_##a)
#else
#define KMP_STORE_LOCK_SEQ(a)
#endif

static void __kmp_stg_parse_lock_kind(char const *name, char const *value,
                                      void *data) {
  if (__kmp_init_user_locks) {
    KMP_WARNING(EnvLockWarn, name);
    return;
  }

  if (__kmp_str_match("tas", 2, value) ||
      __kmp_str_match("test and set", 2, value) ||
      __kmp_str_match("test_and_set", 2, value) ||
      __kmp_str_match("test-and-set", 2, value) ||
      __kmp_str_match("test andset", 2, value) ||
      __kmp_str_match("test_andset", 2, value) ||
      __kmp_str_match("test-andset", 2, value) ||
      __kmp_str_match("testand set", 2, value) ||
      __kmp_str_match("testand_set", 2, value) ||
      __kmp_str_match("testand-set", 2, value) ||
      __kmp_str_match("testandset", 2, value)) {
    __kmp_user_lock_kind = lk_tas;
    KMP_STORE_LOCK_SEQ(tas);
  }
#if KMP_USE_FUTEX
  else if (__kmp_str_match("futex", 1, value)) {
    if (__kmp_futex_determine_capable()) {
      __kmp_user_lock_kind = lk_futex;
      KMP_STORE_LOCK_SEQ(futex);
    } else {
      KMP_WARNING(FutexNotSupported, name, value);
    }
  }
#endif
  else if (__kmp_str_match("ticket", 2, value)) {
    __kmp_user_lock_kind = lk_ticket;
    KMP_STORE_LOCK_SEQ(ticket);
  } else if (__kmp_str_match("queuing", 1, value) ||
             __kmp_str_match("queue", 1, value)) {
    __kmp_user_lock_kind = lk_queuing;
    KMP_STORE_LOCK_SEQ(queuing);
  } else if (__kmp_str_match("drdpa ticket", 1, value) ||
             __kmp_str_match("drdpa_ticket", 1, value) ||
             __kmp_str_match("drdpa-ticket", 1, value) ||
             __kmp_str_match("drdpaticket", 1, value) ||
             __kmp_str_match("drdpa", 1, value)) {
    __kmp_user_lock_kind = lk_drdpa;
    KMP_STORE_LOCK_SEQ(drdpa);
  }
#if KMP_USE_ADAPTIVE_LOCKS
  else if (__kmp_str_match("adaptive", 1, value)) {
    if (__kmp_cpuinfo.flags.rtm) { // ??? Is cpuinfo available here?
      __kmp_user_lock_kind = lk_adaptive;
      KMP_STORE_LOCK_SEQ(adaptive);
    } else {
      KMP_WARNING(AdaptiveNotSupported, name, value);
      __kmp_user_lock_kind = lk_queuing;
      KMP_STORE_LOCK_SEQ(queuing);
    }
  }
#endif // KMP_USE_ADAPTIVE_LOCKS
#if KMP_USE_DYNAMIC_LOCK && KMP_USE_TSX
  else if (__kmp_str_match("rtm_queuing", 1, value)) {
    if (__kmp_cpuinfo.flags.rtm) {
      __kmp_user_lock_kind = lk_rtm_queuing;
      KMP_STORE_LOCK_SEQ(rtm_queuing);
    } else {
      KMP_WARNING(AdaptiveNotSupported, name, value);
      __kmp_user_lock_kind = lk_queuing;
      KMP_STORE_LOCK_SEQ(queuing);
    }
  } else if (__kmp_str_match("rtm_spin", 1, value)) {
    if (__kmp_cpuinfo.flags.rtm) {
      __kmp_user_lock_kind = lk_rtm_spin;
      KMP_STORE_LOCK_SEQ(rtm_spin);
    } else {
      KMP_WARNING(AdaptiveNotSupported, name, value);
      __kmp_user_lock_kind = lk_tas;
      KMP_STORE_LOCK_SEQ(queuing);
    }
  } else if (__kmp_str_match("hle", 1, value)) {
    __kmp_user_lock_kind = lk_hle;
    KMP_STORE_LOCK_SEQ(hle);
  }
#endif
  else {
    KMP_WARNING(StgInvalidValue, name, value);
  }
}

static void __kmp_stg_print_lock_kind(kmp_str_buf_t *buffer, char const *name,
                                      void *data) {
  const char *value = NULL;

  switch (__kmp_user_lock_kind) {
  case lk_default:
    value = "default";
    break;

  case lk_tas:
    value = "tas";
    break;

#if KMP_USE_FUTEX
  case lk_futex:
    value = "futex";
    break;
#endif

#if KMP_USE_DYNAMIC_LOCK && KMP_USE_TSX
  case lk_rtm_queuing:
    value = "rtm_queuing";
    break;

  case lk_rtm_spin:
    value = "rtm_spin";
    break;

  case lk_hle:
    value = "hle";
    break;
#endif

  case lk_ticket:
    value = "ticket";
    break;

  case lk_queuing:
    value = "queuing";
    break;

  case lk_drdpa:
    value = "drdpa";
    break;
#if KMP_USE_ADAPTIVE_LOCKS
  case lk_adaptive:
    value = "adaptive";
    break;
#endif
  }

  if (value != NULL) {
    __kmp_stg_print_str(buffer, name, value);
  }
}

// -----------------------------------------------------------------------------
// KMP_SPIN_BACKOFF_PARAMS

// KMP_SPIN_BACKOFF_PARAMS=max_backoff[,min_tick] (max backoff size, min tick
// for machine pause)
static void __kmp_stg_parse_spin_backoff_params(const char *name,
                                                const char *value, void *data) {
  const char *next = value;

  int total = 0; // Count elements that were set. It'll be used as an array size
  int prev_comma = FALSE; // For correct processing sequential commas
  int i;

  kmp_uint32 max_backoff = __kmp_spin_backoff_params.max_backoff;
  kmp_uint32 min_tick = __kmp_spin_backoff_params.min_tick;

  // Run only 3 iterations because it is enough to read two values or find a
  // syntax error
  for (i = 0; i < 3; i++) {
    SKIP_WS(next);

    if (*next == '\0') {
      break;
    }
    // Next character is not an integer or not a comma OR number of values > 2
    // => end of list
    if (((*next < '0' || *next > '9') && *next != ',') || total > 2) {
      KMP_WARNING(EnvSyntaxError, name, value);
      return;
    }
    // The next character is ','
    if (*next == ',') {
      // ',' is the first character
      if (total == 0 || prev_comma) {
        total++;
      }
      prev_comma = TRUE;
      next++; // skip ','
      SKIP_WS(next);
    }
    // Next character is a digit
    if (*next >= '0' && *next <= '9') {
      int num;
      const char *buf = next;
      char const *msg = NULL;
      prev_comma = FALSE;
      SKIP_DIGITS(next);
      total++;

      const char *tmp = next;
      SKIP_WS(tmp);
      if ((*next == ' ' || *next == '\t') && (*tmp >= '0' && *tmp <= '9')) {
        KMP_WARNING(EnvSpacesNotAllowed, name, value);
        return;
      }

      num = __kmp_str_to_int(buf, *next);
      if (num <= 0) { // The number of retries should be > 0
        msg = KMP_I18N_STR(ValueTooSmall);
        num = 1;
      } else if (num > KMP_INT_MAX) {
        msg = KMP_I18N_STR(ValueTooLarge);
        num = KMP_INT_MAX;
      }
      if (msg != NULL) {
        // Message is not empty. Print warning.
        KMP_WARNING(ParseSizeIntWarn, name, value, msg);
        KMP_INFORM(Using_int_Value, name, num);
      }
      if (total == 1) {
        max_backoff = num;
      } else if (total == 2) {
        min_tick = num;
      }
    }
  }
  KMP_DEBUG_ASSERT(total > 0);
  if (total <= 0) {
    KMP_WARNING(EnvSyntaxError, name, value);
    return;
  }
  __kmp_spin_backoff_params.max_backoff = max_backoff;
  __kmp_spin_backoff_params.min_tick = min_tick;
}

static void __kmp_stg_print_spin_backoff_params(kmp_str_buf_t *buffer,
                                                char const *name, void *data) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME_EX(name);
  } else {
    __kmp_str_buf_print(buffer, "   %s='", name);
  }
  __kmp_str_buf_print(buffer, "%d,%d'\n", __kmp_spin_backoff_params.max_backoff,
                      __kmp_spin_backoff_params.min_tick);
}

#if KMP_USE_ADAPTIVE_LOCKS

// -----------------------------------------------------------------------------
// KMP_ADAPTIVE_LOCK_PROPS, KMP_SPECULATIVE_STATSFILE

// Parse out values for the tunable parameters from a string of the form
// KMP_ADAPTIVE_LOCK_PROPS=max_soft_retries[,max_badness]
static void __kmp_stg_parse_adaptive_lock_props(const char *name,
                                                const char *value, void *data) {
  int max_retries = 0;
  int max_badness = 0;

  const char *next = value;

  int total = 0; // Count elements that were set. It'll be used as an array size
  int prev_comma = FALSE; // For correct processing sequential commas
  int i;

  // Save values in the structure __kmp_speculative_backoff_params
  // Run only 3 iterations because it is enough to read two values or find a
  // syntax error
  for (i = 0; i < 3; i++) {
    SKIP_WS(next);

    if (*next == '\0') {
      break;
    }
    // Next character is not an integer or not a comma OR number of values > 2
    // => end of list
    if (((*next < '0' || *next > '9') && *next != ',') || total > 2) {
      KMP_WARNING(EnvSyntaxError, name, value);
      return;
    }
    // The next character is ','
    if (*next == ',') {
      // ',' is the first character
      if (total == 0 || prev_comma) {
        total++;
      }
      prev_comma = TRUE;
      next++; // skip ','
      SKIP_WS(next);
    }
    // Next character is a digit
    if (*next >= '0' && *next <= '9') {
      int num;
      const char *buf = next;
      char const *msg = NULL;
      prev_comma = FALSE;
      SKIP_DIGITS(next);
      total++;

      const char *tmp = next;
      SKIP_WS(tmp);
      if ((*next == ' ' || *next == '\t') && (*tmp >= '0' && *tmp <= '9')) {
        KMP_WARNING(EnvSpacesNotAllowed, name, value);
        return;
      }

      num = __kmp_str_to_int(buf, *next);
      if (num < 0) { // The number of retries should be >= 0
        msg = KMP_I18N_STR(ValueTooSmall);
        num = 1;
      } else if (num > KMP_INT_MAX) {
        msg = KMP_I18N_STR(ValueTooLarge);
        num = KMP_INT_MAX;
      }
      if (msg != NULL) {
        // Message is not empty. Print warning.
        KMP_WARNING(ParseSizeIntWarn, name, value, msg);
        KMP_INFORM(Using_int_Value, name, num);
      }
      if (total == 1) {
        max_retries = num;
      } else if (total == 2) {
        max_badness = num;
      }
    }
  }
  KMP_DEBUG_ASSERT(total > 0);
  if (total <= 0) {
    KMP_WARNING(EnvSyntaxError, name, value);
    return;
  }
  __kmp_adaptive_backoff_params.max_soft_retries = max_retries;
  __kmp_adaptive_backoff_params.max_badness = max_badness;
}

static void __kmp_stg_print_adaptive_lock_props(kmp_str_buf_t *buffer,
                                                char const *name, void *data) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_NAME_EX(name);
  } else {
    __kmp_str_buf_print(buffer, "   %s='", name);
  }
  __kmp_str_buf_print(buffer, "%d,%d'\n",
                      __kmp_adaptive_backoff_params.max_soft_retries,
                      __kmp_adaptive_backoff_params.max_badness);
} // __kmp_stg_print_adaptive_lock_props

#if KMP_DEBUG_ADAPTIVE_LOCKS

static void __kmp_stg_parse_speculative_statsfile(char const *name,
                                                  char const *value,
                                                  void *data) {
  __kmp_stg_parse_file(name, value, "",
                       CCAST(char **, &__kmp_speculative_statsfile));
} // __kmp_stg_parse_speculative_statsfile

static void __kmp_stg_print_speculative_statsfile(kmp_str_buf_t *buffer,
                                                  char const *name,
                                                  void *data) {
  if (__kmp_str_match("-", 0, __kmp_speculative_statsfile)) {
    __kmp_stg_print_str(buffer, name, "stdout");
  } else {
    __kmp_stg_print_str(buffer, name, __kmp_speculative_statsfile);
  }

} // __kmp_stg_print_speculative_statsfile

#endif // KMP_DEBUG_ADAPTIVE_LOCKS

#endif // KMP_USE_ADAPTIVE_LOCKS

// -----------------------------------------------------------------------------
// KMP_HW_SUBSET (was KMP_PLACE_THREADS)
// 2s16c,2t => 2S16C,2T => 2S16C \0 2T

// Return KMP_HW_SUBSET preferred hardware type in case a token is ambiguously
// short. The original KMP_HW_SUBSET environment variable had single letters:
// s, c, t for sockets, cores, threads repsectively.
static kmp_hw_t __kmp_hw_subset_break_tie(const kmp_hw_t *possible,
                                          size_t num_possible) {
  for (size_t i = 0; i < num_possible; ++i) {
    if (possible[i] == KMP_HW_THREAD)
      return KMP_HW_THREAD;
    else if (possible[i] == KMP_HW_CORE)
      return KMP_HW_CORE;
    else if (possible[i] == KMP_HW_SOCKET)
      return KMP_HW_SOCKET;
  }
  return KMP_HW_UNKNOWN;
}

// Return hardware type from string or HW_UNKNOWN if string cannot be parsed
// This algorithm is very forgiving to the user in that, the instant it can
// reduce the search space to one, it assumes that is the topology level the
// user wanted, even if it is misspelled later in the token.
static kmp_hw_t __kmp_stg_parse_hw_subset_name(char const *token) {
  size_t index, num_possible, token_length;
  kmp_hw_t possible[KMP_HW_LAST];
  const char *end;

  // Find the end of the hardware token string
  end = token;
  token_length = 0;
  while (isalnum(*end) || *end == '_') {
    token_length++;
    end++;
  }

  // Set the possibilities to all hardware types
  num_possible = 0;
  KMP_FOREACH_HW_TYPE(type) { possible[num_possible++] = type; }

  // Eliminate hardware types by comparing the front of the token
  // with hardware names
  // In most cases, the first letter in the token will indicate exactly
  // which hardware type is parsed, e.g., 'C' = Core
  index = 0;
  while (num_possible > 1 && index < token_length) {
    size_t n = num_possible;
    char token_char = (char)toupper(token[index]);
    for (size_t i = 0; i < n; ++i) {
      const char *s;
      kmp_hw_t type = possible[i];
      s = __kmp_hw_get_keyword(type, false);
      if (index < KMP_STRLEN(s)) {
        char c = (char)toupper(s[index]);
        // Mark hardware types for removal when the characters do not match
        if (c != token_char) {
          possible[i] = KMP_HW_UNKNOWN;
          num_possible--;
        }
      }
    }
    // Remove hardware types that this token cannot be
    size_t start = 0;
    for (size_t i = 0; i < n; ++i) {
      if (possible[i] != KMP_HW_UNKNOWN) {
        kmp_hw_t temp = possible[i];
        possible[i] = possible[start];
        possible[start] = temp;
        start++;
      }
    }
    KMP_ASSERT(start == num_possible);
    index++;
  }

  // Attempt to break a tie if user has very short token
  // (e.g., is 'T' tile or thread?)
  if (num_possible > 1)
    return __kmp_hw_subset_break_tie(possible, num_possible);
  if (num_possible == 1)
    return possible[0];
  return KMP_HW_UNKNOWN;
}

// The longest observable sequence of items can only be HW_LAST length
// The input string is usually short enough, let's use 512 limit for now
#define MAX_T_LEVEL KMP_HW_LAST
#define MAX_STR_LEN 512
static void __kmp_stg_parse_hw_subset(char const *name, char const *value,
                                      void *data) {
  // Value example: 1s,5c@3,2T
  // Which means "use 1 socket, 5 cores with offset 3, 2 threads per core"
  kmp_setting_t **rivals = (kmp_setting_t **)data;
  if (strcmp(name, "KMP_PLACE_THREADS") == 0) {
    KMP_INFORM(EnvVarDeprecated, name, "KMP_HW_SUBSET");
  }
  if (__kmp_stg_check_rivals(name, value, rivals)) {
    return;
  }

  char *components[MAX_T_LEVEL];
  char const *digits = "0123456789";
  char input[MAX_STR_LEN];
  size_t len = 0, mlen = MAX_STR_LEN;
  int level = 0;
  bool absolute = false;
  // Canonicalize the string (remove spaces, unify delimiters, etc.)
  char *pos = CCAST(char *, value);
  while (*pos && mlen) {
    if (*pos != ' ') { // skip spaces
      if (len == 0 && *pos == ':') {
        absolute = true;
      } else {
        input[len] = (char)(toupper(*pos));
        if (input[len] == 'X')
          input[len] = ','; // unify delimiters of levels
        if (input[len] == 'O' && strchr(digits, *(pos + 1)))
          input[len] = '@'; // unify delimiters of offset
        len++;
      }
    }
    mlen--;
    pos++;
  }
  if (len == 0 || mlen == 0) {
    goto err; // contents is either empty or too long
  }
  input[len] = '\0';
  // Split by delimiter
  pos = input;
  components[level++] = pos;
  while ((pos = strchr(pos, ','))) {
    if (level >= MAX_T_LEVEL)
      goto err; // too many components provided
    *pos = '\0'; // modify input and avoid more copying
    components[level++] = ++pos; // expect something after ","
  }

  __kmp_hw_subset = kmp_hw_subset_t::allocate();
  if (absolute)
    __kmp_hw_subset->set_absolute();

  // Check each component
  for (int i = 0; i < level; ++i) {
    int offset = 0;
    int num = atoi(components[i]); // each component should start with a number
    if (num <= 0) {
      goto err; // only positive integers are valid for count
    }
    if ((pos = strchr(components[i], '@'))) {
      offset = atoi(pos + 1); // save offset
      *pos = '\0'; // cut the offset from the component
    }
    pos = components[i] + strspn(components[i], digits);
    if (pos == components[i]) {
      goto err;
    }
    // detect the component type
    kmp_hw_t type = __kmp_stg_parse_hw_subset_name(pos);
    if (type == KMP_HW_UNKNOWN) {
      goto err;
    }
    if (__kmp_hw_subset->specified(type)) {
      goto err;
    }
    __kmp_hw_subset->push_back(num, type, offset);
  }
  return;
err:
  KMP_WARNING(AffHWSubsetInvalid, name, value);
  if (__kmp_hw_subset) {
    kmp_hw_subset_t::deallocate(__kmp_hw_subset);
    __kmp_hw_subset = nullptr;
  }
  return;
}

static void __kmp_stg_print_hw_subset(kmp_str_buf_t *buffer, char const *name,
                                      void *data) {
  kmp_str_buf_t buf;
  int depth;
  if (!__kmp_hw_subset)
    return;
  __kmp_str_buf_init(&buf);
  if (__kmp_env_format)
    KMP_STR_BUF_PRINT_NAME_EX(name);
  else
    __kmp_str_buf_print(buffer, "   %s='", name);

  depth = __kmp_hw_subset->get_depth();
  for (int i = 0; i < depth; ++i) {
    const auto &item = __kmp_hw_subset->at(i);
    __kmp_str_buf_print(&buf, "%s%d%s", (i > 0 ? "," : ""), item.num,
                        __kmp_hw_get_keyword(item.type));
    if (item.offset)
      __kmp_str_buf_print(&buf, "@%d", item.offset);
  }
  __kmp_str_buf_print(buffer, "%s'\n", buf.str);
  __kmp_str_buf_free(&buf);
}

#if USE_ITT_BUILD
// -----------------------------------------------------------------------------
// KMP_FORKJOIN_FRAMES

static void __kmp_stg_parse_forkjoin_frames(char const *name, char const *value,
                                            void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_forkjoin_frames);
} // __kmp_stg_parse_forkjoin_frames

static void __kmp_stg_print_forkjoin_frames(kmp_str_buf_t *buffer,
                                            char const *name, void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_forkjoin_frames);
} // __kmp_stg_print_forkjoin_frames

// -----------------------------------------------------------------------------
// KMP_FORKJOIN_FRAMES_MODE

static void __kmp_stg_parse_forkjoin_frames_mode(char const *name,
                                                 char const *value,
                                                 void *data) {
  __kmp_stg_parse_int(name, value, 0, 3, &__kmp_forkjoin_frames_mode);
} // __kmp_stg_parse_forkjoin_frames

static void __kmp_stg_print_forkjoin_frames_mode(kmp_str_buf_t *buffer,
                                                 char const *name, void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_forkjoin_frames_mode);
} // __kmp_stg_print_forkjoin_frames
#endif /* USE_ITT_BUILD */

// -----------------------------------------------------------------------------
// KMP_ENABLE_TASK_THROTTLING

static void __kmp_stg_parse_task_throttling(char const *name, char const *value,
                                            void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_enable_task_throttling);
} // __kmp_stg_parse_task_throttling

static void __kmp_stg_print_task_throttling(kmp_str_buf_t *buffer,
                                            char const *name, void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_enable_task_throttling);
} // __kmp_stg_print_task_throttling

#if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
// -----------------------------------------------------------------------------
// KMP_USER_LEVEL_MWAIT

static void __kmp_stg_parse_user_level_mwait(char const *name,
                                             char const *value, void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_user_level_mwait);
} // __kmp_stg_parse_user_level_mwait

static void __kmp_stg_print_user_level_mwait(kmp_str_buf_t *buffer,
                                             char const *name, void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_user_level_mwait);
} // __kmp_stg_print_user_level_mwait

// -----------------------------------------------------------------------------
// KMP_MWAIT_HINTS

static void __kmp_stg_parse_mwait_hints(char const *name, char const *value,
                                        void *data) {
  __kmp_stg_parse_int(name, value, 0, INT_MAX, &__kmp_mwait_hints);
} // __kmp_stg_parse_mwait_hints

static void __kmp_stg_print_mwait_hints(kmp_str_buf_t *buffer, char const *name,
                                        void *data) {
  __kmp_stg_print_int(buffer, name, __kmp_mwait_hints);
} // __kmp_stg_print_mwait_hints

#endif // KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT

// -----------------------------------------------------------------------------
// OMP_DISPLAY_ENV

static void __kmp_stg_parse_omp_display_env(char const *name, char const *value,
                                            void *data) {
  if (__kmp_str_match("VERBOSE", 1, value)) {
    __kmp_display_env_verbose = TRUE;
  } else {
    __kmp_stg_parse_bool(name, value, &__kmp_display_env);
  }
} // __kmp_stg_parse_omp_display_env

static void __kmp_stg_print_omp_display_env(kmp_str_buf_t *buffer,
                                            char const *name, void *data) {
  if (__kmp_display_env_verbose) {
    __kmp_stg_print_str(buffer, name, "VERBOSE");
  } else {
    __kmp_stg_print_bool(buffer, name, __kmp_display_env);
  }
} // __kmp_stg_print_omp_display_env

static void __kmp_stg_parse_omp_cancellation(char const *name,
                                             char const *value, void *data) {
  if (TCR_4(__kmp_init_parallel)) {
    KMP_WARNING(EnvParallelWarn, name);
    return;
  } // read value before first parallel only
  __kmp_stg_parse_bool(name, value, &__kmp_omp_cancellation);
} // __kmp_stg_parse_omp_cancellation

static void __kmp_stg_print_omp_cancellation(kmp_str_buf_t *buffer,
                                             char const *name, void *data) {
  __kmp_stg_print_bool(buffer, name, __kmp_omp_cancellation);
} // __kmp_stg_print_omp_cancellation

#if OMPT_SUPPORT
int __kmp_tool = 1;

static void __kmp_stg_parse_omp_tool(char const *name, char const *value,
                                     void *data) {
  __kmp_stg_parse_bool(name, value, &__kmp_tool);
} // __kmp_stg_parse_omp_tool

static void __kmp_stg_print_omp_tool(kmp_str_buf_t *buffer, char const *name,
                                     void *data) {
  if (__kmp_env_format) {
    KMP_STR_BUF_PRINT_BOOL_EX(name, __kmp_tool, "enabled", "disabled");
  } else {
    __kmp_str_buf_print(buffer, "   %s=%s\n", name,
                        __kmp_tool ? "enabled" : "disabled");
  }
} // __kmp_stg_print_omp_tool

char *__kmp_tool_libraries = NULL;

static void __kmp_stg_parse_omp_tool_libraries(char const *name,
                                               char const *value, void *data) {
  __kmp_stg_parse_str(name, value, &__kmp_tool_libraries);
} // __kmp_stg_parse_omp_tool_libraries

static void __kmp_stg_print_omp_tool_libraries(kmp_str_buf_t *buffer,
                                               char const *name, void *data) {
  if (__kmp_tool_libraries)
    __kmp_stg_print_str(buffer, name, __kmp_tool_libraries);
  else {
    if (__kmp_env_format) {
      KMP_STR_BUF_PRINT_NAME;
    } else {
      __kmp_str_buf_print(buffer, "   %s", name);
    }
    __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
  }
} // __kmp_stg_print_omp_tool_libraries

char *__kmp_tool_verbose_init = NULL;

static void __kmp_stg_parse_omp_tool_verbose_init(char const *name,
                                                  char const *value,
                                                  void *data) {
  __kmp_stg_parse_str(name, value, &__kmp_tool_verbose_init);
} // __kmp_stg_parse_omp_tool_libraries

static void __kmp_stg_print_omp_tool_verbose_init(kmp_str_buf_t *buffer,
                                                  char const *name,
                                                  void *data) {
  if (__kmp_tool_verbose_init)
    __kmp_stg_print_str(buffer, name, __kmp_tool_verbose_init);
  else {
    if (__kmp_env_format) {
      KMP_STR_BUF_PRINT_NAME;
    } else {
      __kmp_str_buf_print(buffer, "   %s", name);
    }
    __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
  }
} // __kmp_stg_print_omp_tool_verbose_init

#endif

// Table.

static kmp_setting_t __kmp_stg_table[] = {

    {"KMP_ALL_THREADS", __kmp_stg_parse_device_thread_limit, NULL, NULL, 0, 0},
    {"KMP_BLOCKTIME", __kmp_stg_parse_blocktime, __kmp_stg_print_blocktime,
     NULL, 0, 0},
    {"KMP_USE_YIELD", __kmp_stg_parse_use_yield, __kmp_stg_print_use_yield,
     NULL, 0, 0},
    {"KMP_DUPLICATE_LIB_OK", __kmp_stg_parse_duplicate_lib_ok,
     __kmp_stg_print_duplicate_lib_ok, NULL, 0, 0},
    {"KMP_LIBRARY", __kmp_stg_parse_wait_policy, __kmp_stg_print_wait_policy,
     NULL, 0, 0},
    {"KMP_DEVICE_THREAD_LIMIT", __kmp_stg_parse_device_thread_limit,
     __kmp_stg_print_device_thread_limit, NULL, 0, 0},
#if KMP_USE_MONITOR
    {"KMP_MONITOR_STACKSIZE", __kmp_stg_parse_monitor_stacksize,
     __kmp_stg_print_monitor_stacksize, NULL, 0, 0},
#endif
    {"KMP_SETTINGS", __kmp_stg_parse_settings, __kmp_stg_print_settings, NULL,
     0, 0},
    {"KMP_STACKOFFSET", __kmp_stg_parse_stackoffset,
     __kmp_stg_print_stackoffset, NULL, 0, 0},
    {"KMP_STACKSIZE", __kmp_stg_parse_stacksize, __kmp_stg_print_stacksize,
     NULL, 0, 0},
    {"KMP_STACKPAD", __kmp_stg_parse_stackpad, __kmp_stg_print_stackpad, NULL,
     0, 0},
    {"KMP_VERSION", __kmp_stg_parse_version, __kmp_stg_print_version, NULL, 0,
     0},
    {"KMP_WARNINGS", __kmp_stg_parse_warnings, __kmp_stg_print_warnings, NULL,
     0, 0},

    {"KMP_NESTING_MODE", __kmp_stg_parse_nesting_mode,
     __kmp_stg_print_nesting_mode, NULL, 0, 0},
    {"OMP_NESTED", __kmp_stg_parse_nested, __kmp_stg_print_nested, NULL, 0, 0},
    {"OMP_NUM_THREADS", __kmp_stg_parse_num_threads,
     __kmp_stg_print_num_threads, NULL, 0, 0},
    {"OMP_STACKSIZE", __kmp_stg_parse_stacksize, __kmp_stg_print_stacksize,
     NULL, 0, 0},

    {"KMP_TASKING", __kmp_stg_parse_tasking, __kmp_stg_print_tasking, NULL, 0,
     0},
    {"KMP_TASK_STEALING_CONSTRAINT", __kmp_stg_parse_task_stealing,
     __kmp_stg_print_task_stealing, NULL, 0, 0},
    {"OMP_MAX_ACTIVE_LEVELS", __kmp_stg_parse_max_active_levels,
     __kmp_stg_print_max_active_levels, NULL, 0, 0},
    {"OMP_DEFAULT_DEVICE", __kmp_stg_parse_default_device,
     __kmp_stg_print_default_device, NULL, 0, 0},
    {"OMP_TARGET_OFFLOAD", __kmp_stg_parse_target_offload,
     __kmp_stg_print_target_offload, NULL, 0, 0},
    {"OMP_MAX_TASK_PRIORITY", __kmp_stg_parse_max_task_priority,
     __kmp_stg_print_max_task_priority, NULL, 0, 0},
    {"KMP_TASKLOOP_MIN_TASKS", __kmp_stg_parse_taskloop_min_tasks,
     __kmp_stg_print_taskloop_min_tasks, NULL, 0, 0},
    {"OMP_THREAD_LIMIT", __kmp_stg_parse_thread_limit,
     __kmp_stg_print_thread_limit, NULL, 0, 0},
    {"KMP_TEAMS_THREAD_LIMIT", __kmp_stg_parse_teams_thread_limit,
     __kmp_stg_print_teams_thread_limit, NULL, 0, 0},
    {"OMP_NUM_TEAMS", __kmp_stg_parse_nteams, __kmp_stg_print_nteams, NULL, 0,
     0},
    {"OMP_TEAMS_THREAD_LIMIT", __kmp_stg_parse_teams_th_limit,
     __kmp_stg_print_teams_th_limit, NULL, 0, 0},
    {"OMP_WAIT_POLICY", __kmp_stg_parse_wait_policy,
     __kmp_stg_print_wait_policy, NULL, 0, 0},
    {"KMP_DISP_NUM_BUFFERS", __kmp_stg_parse_disp_buffers,
     __kmp_stg_print_disp_buffers, NULL, 0, 0},
#if KMP_NESTED_HOT_TEAMS
    {"KMP_HOT_TEAMS_MAX_LEVEL", __kmp_stg_parse_hot_teams_level,
     __kmp_stg_print_hot_teams_level, NULL, 0, 0},
    {"KMP_HOT_TEAMS_MODE", __kmp_stg_parse_hot_teams_mode,
     __kmp_stg_print_hot_teams_mode, NULL, 0, 0},
#endif // KMP_NESTED_HOT_TEAMS

#if KMP_HANDLE_SIGNALS
    {"KMP_HANDLE_SIGNALS", __kmp_stg_parse_handle_signals,
     __kmp_stg_print_handle_signals, NULL, 0, 0},
#endif

#if KMP_ARCH_X86 || KMP_ARCH_X86_64
    {"KMP_INHERIT_FP_CONTROL", __kmp_stg_parse_inherit_fp_control,
     __kmp_stg_print_inherit_fp_control, NULL, 0, 0},
#endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */

#ifdef KMP_GOMP_COMPAT
    {"GOMP_STACKSIZE", __kmp_stg_parse_stacksize, NULL, NULL, 0, 0},
#endif

#ifdef KMP_DEBUG
    {"KMP_A_DEBUG", __kmp_stg_parse_a_debug, __kmp_stg_print_a_debug, NULL, 0,
     0},
    {"KMP_B_DEBUG", __kmp_stg_parse_b_debug, __kmp_stg_print_b_debug, NULL, 0,
     0},
    {"KMP_C_DEBUG", __kmp_stg_parse_c_debug, __kmp_stg_print_c_debug, NULL, 0,
     0},
    {"KMP_D_DEBUG", __kmp_stg_parse_d_debug, __kmp_stg_print_d_debug, NULL, 0,
     0},
    {"KMP_E_DEBUG", __kmp_stg_parse_e_debug, __kmp_stg_print_e_debug, NULL, 0,
     0},
    {"KMP_F_DEBUG", __kmp_stg_parse_f_debug, __kmp_stg_print_f_debug, NULL, 0,
     0},
    {"KMP_DEBUG", __kmp_stg_parse_debug, NULL, /* no print */ NULL, 0, 0},
    {"KMP_DEBUG_BUF", __kmp_stg_parse_debug_buf, __kmp_stg_print_debug_buf,
     NULL, 0, 0},
    {"KMP_DEBUG_BUF_ATOMIC", __kmp_stg_parse_debug_buf_atomic,
     __kmp_stg_print_debug_buf_atomic, NULL, 0, 0},
    {"KMP_DEBUG_BUF_CHARS", __kmp_stg_parse_debug_buf_chars,
     __kmp_stg_print_debug_buf_chars, NULL, 0, 0},
    {"KMP_DEBUG_BUF_LINES", __kmp_stg_parse_debug_buf_lines,
     __kmp_stg_print_debug_buf_lines, NULL, 0, 0},
    {"KMP_DIAG", __kmp_stg_parse_diag, __kmp_stg_print_diag, NULL, 0, 0},

    {"KMP_PAR_RANGE", __kmp_stg_parse_par_range_env,
     __kmp_stg_print_par_range_env, NULL, 0, 0},
#endif // KMP_DEBUG

    {"KMP_ALIGN_ALLOC", __kmp_stg_parse_align_alloc,
     __kmp_stg_print_align_alloc, NULL, 0, 0},

    {"KMP_PLAIN_BARRIER", __kmp_stg_parse_barrier_branch_bit,
     __kmp_stg_print_barrier_branch_bit, NULL, 0, 0},
    {"KMP_PLAIN_BARRIER_PATTERN", __kmp_stg_parse_barrier_pattern,
     __kmp_stg_print_barrier_pattern, NULL, 0, 0},
    {"KMP_FORKJOIN_BARRIER", __kmp_stg_parse_barrier_branch_bit,
     __kmp_stg_print_barrier_branch_bit, NULL, 0, 0},
    {"KMP_FORKJOIN_BARRIER_PATTERN", __kmp_stg_parse_barrier_pattern,
     __kmp_stg_print_barrier_pattern, NULL, 0, 0},
#if KMP_FAST_REDUCTION_BARRIER
    {"KMP_REDUCTION_BARRIER", __kmp_stg_parse_barrier_branch_bit,
     __kmp_stg_print_barrier_branch_bit, NULL, 0, 0},
    {"KMP_REDUCTION_BARRIER_PATTERN", __kmp_stg_parse_barrier_pattern,
     __kmp_stg_print_barrier_pattern, NULL, 0, 0},
#endif

    {"KMP_ABORT_DELAY", __kmp_stg_parse_abort_delay,
     __kmp_stg_print_abort_delay, NULL, 0, 0},
    {"KMP_CPUINFO_FILE", __kmp_stg_parse_cpuinfo_file,
     __kmp_stg_print_cpuinfo_file, NULL, 0, 0},
    {"KMP_FORCE_REDUCTION", __kmp_stg_parse_force_reduction,
     __kmp_stg_print_force_reduction, NULL, 0, 0},
    {"KMP_DETERMINISTIC_REDUCTION", __kmp_stg_parse_force_reduction,
     __kmp_stg_print_force_reduction, NULL, 0, 0},
    {"KMP_STORAGE_MAP", __kmp_stg_parse_storage_map,
     __kmp_stg_print_storage_map, NULL, 0, 0},
    {"KMP_ALL_THREADPRIVATE", __kmp_stg_parse_all_threadprivate,
     __kmp_stg_print_all_threadprivate, NULL, 0, 0},
    {"KMP_FOREIGN_THREADS_THREADPRIVATE",
     __kmp_stg_parse_foreign_threads_threadprivate,
     __kmp_stg_print_foreign_threads_threadprivate, NULL, 0, 0},

#if KMP_AFFINITY_SUPPORTED
    {"KMP_AFFINITY", __kmp_stg_parse_affinity, __kmp_stg_print_affinity, NULL,
     0, 0},
#ifdef KMP_GOMP_COMPAT
    {"GOMP_CPU_AFFINITY", __kmp_stg_parse_gomp_cpu_affinity, NULL,
     /* no print */ NULL, 0, 0},
#endif /* KMP_GOMP_COMPAT */
    {"OMP_PROC_BIND", __kmp_stg_parse_proc_bind, __kmp_stg_print_proc_bind,
     NULL, 0, 0},
    {"KMP_TEAMS_PROC_BIND", __kmp_stg_parse_teams_proc_bind,
     __kmp_stg_print_teams_proc_bind, NULL, 0, 0},
    {"OMP_PLACES", __kmp_stg_parse_places, __kmp_stg_print_places, NULL, 0, 0},
    {"KMP_TOPOLOGY_METHOD", __kmp_stg_parse_topology_method,
     __kmp_stg_print_topology_method, NULL, 0, 0},

#else

    // KMP_AFFINITY is not supported on OS X*, nor is OMP_PLACES.
    // OMP_PROC_BIND and proc-bind-var are supported, however.
    {"OMP_PROC_BIND", __kmp_stg_parse_proc_bind, __kmp_stg_print_proc_bind,
     NULL, 0, 0},

#endif // KMP_AFFINITY_SUPPORTED
    {"OMP_DISPLAY_AFFINITY", __kmp_stg_parse_display_affinity,
     __kmp_stg_print_display_affinity, NULL, 0, 0},
    {"OMP_AFFINITY_FORMAT", __kmp_stg_parse_affinity_format,
     __kmp_stg_print_affinity_format, NULL, 0, 0},
    {"KMP_INIT_AT_FORK", __kmp_stg_parse_init_at_fork,
     __kmp_stg_print_init_at_fork, NULL, 0, 0},
    {"KMP_SCHEDULE", __kmp_stg_parse_schedule, __kmp_stg_print_schedule, NULL,
     0, 0},
    {"OMP_SCHEDULE", __kmp_stg_parse_omp_schedule, __kmp_stg_print_omp_schedule,
     NULL, 0, 0},
#if KMP_USE_HIER_SCHED
    {"KMP_DISP_HAND_THREAD", __kmp_stg_parse_kmp_hand_thread,
     __kmp_stg_print_kmp_hand_thread, NULL, 0, 0},
#endif
    {"KMP_FORCE_MONOTONIC_DYNAMIC_SCHEDULE",
     __kmp_stg_parse_kmp_force_monotonic, __kmp_stg_print_kmp_force_monotonic,
     NULL, 0, 0},
    {"KMP_ATOMIC_MODE", __kmp_stg_parse_atomic_mode,
     __kmp_stg_print_atomic_mode, NULL, 0, 0},
    {"KMP_CONSISTENCY_CHECK", __kmp_stg_parse_consistency_check,
     __kmp_stg_print_consistency_check, NULL, 0, 0},

#if USE_ITT_BUILD && USE_ITT_NOTIFY
    {"KMP_ITT_PREPARE_DELAY", __kmp_stg_parse_itt_prepare_delay,
     __kmp_stg_print_itt_prepare_delay, NULL, 0, 0},
#endif /* USE_ITT_BUILD && USE_ITT_NOTIFY */
    {"KMP_MALLOC_POOL_INCR", __kmp_stg_parse_malloc_pool_incr,
     __kmp_stg_print_malloc_pool_incr, NULL, 0, 0},
    {"KMP_GTID_MODE", __kmp_stg_parse_gtid_mode, __kmp_stg_print_gtid_mode,
     NULL, 0, 0},
    {"OMP_DYNAMIC", __kmp_stg_parse_omp_dynamic, __kmp_stg_print_omp_dynamic,
     NULL, 0, 0},
    {"KMP_DYNAMIC_MODE", __kmp_stg_parse_kmp_dynamic_mode,
     __kmp_stg_print_kmp_dynamic_mode, NULL, 0, 0},

#ifdef USE_LOAD_BALANCE
    {"KMP_LOAD_BALANCE_INTERVAL", __kmp_stg_parse_ld_balance_interval,
     __kmp_stg_print_ld_balance_interval, NULL, 0, 0},
#endif

    {"KMP_NUM_LOCKS_IN_BLOCK", __kmp_stg_parse_lock_block,
     __kmp_stg_print_lock_block, NULL, 0, 0},
    {"KMP_LOCK_KIND", __kmp_stg_parse_lock_kind, __kmp_stg_print_lock_kind,
     NULL, 0, 0},
    {"KMP_SPIN_BACKOFF_PARAMS", __kmp_stg_parse_spin_backoff_params,
     __kmp_stg_print_spin_backoff_params, NULL, 0, 0},
#if KMP_USE_ADAPTIVE_LOCKS
    {"KMP_ADAPTIVE_LOCK_PROPS", __kmp_stg_parse_adaptive_lock_props,
     __kmp_stg_print_adaptive_lock_props, NULL, 0, 0},
#if KMP_DEBUG_ADAPTIVE_LOCKS
    {"KMP_SPECULATIVE_STATSFILE", __kmp_stg_parse_speculative_statsfile,
     __kmp_stg_print_speculative_statsfile, NULL, 0, 0},
#endif
#endif // KMP_USE_ADAPTIVE_LOCKS
    {"KMP_PLACE_THREADS", __kmp_stg_parse_hw_subset, __kmp_stg_print_hw_subset,
     NULL, 0, 0},
    {"KMP_HW_SUBSET", __kmp_stg_parse_hw_subset, __kmp_stg_print_hw_subset,
     NULL, 0, 0},
#if USE_ITT_BUILD
    {"KMP_FORKJOIN_FRAMES", __kmp_stg_parse_forkjoin_frames,
     __kmp_stg_print_forkjoin_frames, NULL, 0, 0},
    {"KMP_FORKJOIN_FRAMES_MODE", __kmp_stg_parse_forkjoin_frames_mode,
     __kmp_stg_print_forkjoin_frames_mode, NULL, 0, 0},
#endif
    {"KMP_ENABLE_TASK_THROTTLING", __kmp_stg_parse_task_throttling,
     __kmp_stg_print_task_throttling, NULL, 0, 0},

    {"OMP_DISPLAY_ENV", __kmp_stg_parse_omp_display_env,
     __kmp_stg_print_omp_display_env, NULL, 0, 0},
    {"OMP_CANCELLATION", __kmp_stg_parse_omp_cancellation,
     __kmp_stg_print_omp_cancellation, NULL, 0, 0},
    {"OMP_ALLOCATOR", __kmp_stg_parse_allocator, __kmp_stg_print_allocator,
     NULL, 0, 0},
    {"LIBOMP_USE_HIDDEN_HELPER_TASK", __kmp_stg_parse_use_hidden_helper,
     __kmp_stg_print_use_hidden_helper, NULL, 0, 0},
    {"LIBOMP_NUM_HIDDEN_HELPER_THREADS",
     __kmp_stg_parse_num_hidden_helper_threads,
     __kmp_stg_print_num_hidden_helper_threads, NULL, 0, 0},

#if OMPT_SUPPORT
    {"OMP_TOOL", __kmp_stg_parse_omp_tool, __kmp_stg_print_omp_tool, NULL, 0,
     0},
    {"OMP_TOOL_LIBRARIES", __kmp_stg_parse_omp_tool_libraries,
     __kmp_stg_print_omp_tool_libraries, NULL, 0, 0},
    {"OMP_TOOL_VERBOSE_INIT", __kmp_stg_parse_omp_tool_verbose_init,
     __kmp_stg_print_omp_tool_verbose_init, NULL, 0, 0},
#endif

#if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
    {"KMP_USER_LEVEL_MWAIT", __kmp_stg_parse_user_level_mwait,
     __kmp_stg_print_user_level_mwait, NULL, 0, 0},
    {"KMP_MWAIT_HINTS", __kmp_stg_parse_mwait_hints,
     __kmp_stg_print_mwait_hints, NULL, 0, 0},
#endif
    {"", NULL, NULL, NULL, 0, 0}}; // settings

static int const __kmp_stg_count =
    sizeof(__kmp_stg_table) / sizeof(kmp_setting_t);

static inline kmp_setting_t *__kmp_stg_find(char const *name) {

  int i;
  if (name != NULL) {
    for (i = 0; i < __kmp_stg_count; ++i) {
      if (strcmp(__kmp_stg_table[i].name, name) == 0) {
        return &__kmp_stg_table[i];
      }
    }
  }
  return NULL;

} // __kmp_stg_find

static int __kmp_stg_cmp(void const *_a, void const *_b) {
  const kmp_setting_t *a = RCAST(const kmp_setting_t *, _a);
  const kmp_setting_t *b = RCAST(const kmp_setting_t *, _b);

  // Process KMP_AFFINITY last.
  // It needs to come after OMP_PLACES and GOMP_CPU_AFFINITY.
  if (strcmp(a->name, "KMP_AFFINITY") == 0) {
    if (strcmp(b->name, "KMP_AFFINITY") == 0) {
      return 0;
    }
    return 1;
  } else if (strcmp(b->name, "KMP_AFFINITY") == 0) {
    return -1;
  }
  return strcmp(a->name, b->name);
} // __kmp_stg_cmp

static void __kmp_stg_init(void) {

  static int initialized = 0;

  if (!initialized) {

    // Sort table.
    qsort(__kmp_stg_table, __kmp_stg_count - 1, sizeof(kmp_setting_t),
          __kmp_stg_cmp);

    { // Initialize *_STACKSIZE data.
      kmp_setting_t *kmp_stacksize =
          __kmp_stg_find("KMP_STACKSIZE"); // 1st priority.
#ifdef KMP_GOMP_COMPAT
      kmp_setting_t *gomp_stacksize =
          __kmp_stg_find("GOMP_STACKSIZE"); // 2nd priority.
#endif
      kmp_setting_t *omp_stacksize =
          __kmp_stg_find("OMP_STACKSIZE"); // 3rd priority.

      // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
      // !!! Compiler does not understand rivals is used and optimizes out
      // assignments
      // !!!     rivals[ i ++ ] = ...;
      static kmp_setting_t *volatile rivals[4];
      static kmp_stg_ss_data_t kmp_data = {1, CCAST(kmp_setting_t **, rivals)};
#ifdef KMP_GOMP_COMPAT
      static kmp_stg_ss_data_t gomp_data = {1024,
                                            CCAST(kmp_setting_t **, rivals)};
#endif
      static kmp_stg_ss_data_t omp_data = {1024,
                                           CCAST(kmp_setting_t **, rivals)};
      int i = 0;

      rivals[i++] = kmp_stacksize;
#ifdef KMP_GOMP_COMPAT
      if (gomp_stacksize != NULL) {
        rivals[i++] = gomp_stacksize;
      }
#endif
      rivals[i++] = omp_stacksize;
      rivals[i++] = NULL;

      kmp_stacksize->data = &kmp_data;
#ifdef KMP_GOMP_COMPAT
      if (gomp_stacksize != NULL) {
        gomp_stacksize->data = &gomp_data;
      }
#endif
      omp_stacksize->data = &omp_data;
    }

    { // Initialize KMP_LIBRARY and OMP_WAIT_POLICY data.
      kmp_setting_t *kmp_library =
          __kmp_stg_find("KMP_LIBRARY"); // 1st priority.
      kmp_setting_t *omp_wait_policy =
          __kmp_stg_find("OMP_WAIT_POLICY"); // 2nd priority.

      // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
      static kmp_setting_t *volatile rivals[3];
      static kmp_stg_wp_data_t kmp_data = {0, CCAST(kmp_setting_t **, rivals)};
      static kmp_stg_wp_data_t omp_data = {1, CCAST(kmp_setting_t **, rivals)};
      int i = 0;

      rivals[i++] = kmp_library;
      if (omp_wait_policy != NULL) {
        rivals[i++] = omp_wait_policy;
      }
      rivals[i++] = NULL;

      kmp_library->data = &kmp_data;
      if (omp_wait_policy != NULL) {
        omp_wait_policy->data = &omp_data;
      }
    }

    { // Initialize KMP_DEVICE_THREAD_LIMIT and KMP_ALL_THREADS
      kmp_setting_t *kmp_device_thread_limit =
          __kmp_stg_find("KMP_DEVICE_THREAD_LIMIT"); // 1st priority.
      kmp_setting_t *kmp_all_threads =
          __kmp_stg_find("KMP_ALL_THREADS"); // 2nd priority.

      // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
      static kmp_setting_t *volatile rivals[3];
      int i = 0;

      rivals[i++] = kmp_device_thread_limit;
      rivals[i++] = kmp_all_threads;
      rivals[i++] = NULL;

      kmp_device_thread_limit->data = CCAST(kmp_setting_t **, rivals);
      kmp_all_threads->data = CCAST(kmp_setting_t **, rivals);
    }

    { // Initialize KMP_HW_SUBSET and KMP_PLACE_THREADS
      // 1st priority
      kmp_setting_t *kmp_hw_subset = __kmp_stg_find("KMP_HW_SUBSET");
      // 2nd priority
      kmp_setting_t *kmp_place_threads = __kmp_stg_find("KMP_PLACE_THREADS");

      // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
      static kmp_setting_t *volatile rivals[3];
      int i = 0;

      rivals[i++] = kmp_hw_subset;
      rivals[i++] = kmp_place_threads;
      rivals[i++] = NULL;

      kmp_hw_subset->data = CCAST(kmp_setting_t **, rivals);
      kmp_place_threads->data = CCAST(kmp_setting_t **, rivals);
    }

#if KMP_AFFINITY_SUPPORTED
    { // Initialize KMP_AFFINITY, GOMP_CPU_AFFINITY, and OMP_PROC_BIND data.
      kmp_setting_t *kmp_affinity =
          __kmp_stg_find("KMP_AFFINITY"); // 1st priority.
      KMP_DEBUG_ASSERT(kmp_affinity != NULL);

#ifdef KMP_GOMP_COMPAT
      kmp_setting_t *gomp_cpu_affinity =
          __kmp_stg_find("GOMP_CPU_AFFINITY"); // 2nd priority.
      KMP_DEBUG_ASSERT(gomp_cpu_affinity != NULL);
#endif

      kmp_setting_t *omp_proc_bind =
          __kmp_stg_find("OMP_PROC_BIND"); // 3rd priority.
      KMP_DEBUG_ASSERT(omp_proc_bind != NULL);

      // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
      static kmp_setting_t *volatile rivals[4];
      int i = 0;

      rivals[i++] = kmp_affinity;

#ifdef KMP_GOMP_COMPAT
      rivals[i++] = gomp_cpu_affinity;
      gomp_cpu_affinity->data = CCAST(kmp_setting_t **, rivals);
#endif

      rivals[i++] = omp_proc_bind;
      omp_proc_bind->data = CCAST(kmp_setting_t **, rivals);
      rivals[i++] = NULL;

      static kmp_setting_t *volatile places_rivals[4];
      i = 0;

      kmp_setting_t *omp_places = __kmp_stg_find("OMP_PLACES"); // 3rd priority.
      KMP_DEBUG_ASSERT(omp_places != NULL);

      places_rivals[i++] = kmp_affinity;
#ifdef KMP_GOMP_COMPAT
      places_rivals[i++] = gomp_cpu_affinity;
#endif
      places_rivals[i++] = omp_places;
      omp_places->data = CCAST(kmp_setting_t **, places_rivals);
      places_rivals[i++] = NULL;
    }
#else
// KMP_AFFINITY not supported, so OMP_PROC_BIND has no rivals.
// OMP_PLACES not supported yet.
#endif // KMP_AFFINITY_SUPPORTED

    { // Initialize KMP_DETERMINISTIC_REDUCTION and KMP_FORCE_REDUCTION data.
      kmp_setting_t *kmp_force_red =
          __kmp_stg_find("KMP_FORCE_REDUCTION"); // 1st priority.
      kmp_setting_t *kmp_determ_red =
          __kmp_stg_find("KMP_DETERMINISTIC_REDUCTION"); // 2nd priority.

      // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
      static kmp_setting_t *volatile rivals[3];
      static kmp_stg_fr_data_t force_data = {1,
                                             CCAST(kmp_setting_t **, rivals)};
      static kmp_stg_fr_data_t determ_data = {0,
                                              CCAST(kmp_setting_t **, rivals)};
      int i = 0;

      rivals[i++] = kmp_force_red;
      if (kmp_determ_red != NULL) {
        rivals[i++] = kmp_determ_red;
      }
      rivals[i++] = NULL;

      kmp_force_red->data = &force_data;
      if (kmp_determ_red != NULL) {
        kmp_determ_red->data = &determ_data;
      }
    }

    initialized = 1;
  }

  // Reset flags.
  int i;
  for (i = 0; i < __kmp_stg_count; ++i) {
    __kmp_stg_table[i].set = 0;
  }

} // __kmp_stg_init

static void __kmp_stg_parse(char const *name, char const *value) {
  // On Windows* OS there are some nameless variables like "C:=C:\" (yeah,
  // really nameless, they are presented in environment block as
  // "=C:=C\\\x00=D:=D:\\\x00...", so let us skip them.
  if (name[0] == 0) {
    return;
  }

  if (value != NULL) {
    kmp_setting_t *setting = __kmp_stg_find(name);
    if (setting != NULL) {
      setting->parse(name, value, setting->data);
      setting->defined = 1;
    }
  }

} // __kmp_stg_parse

static int __kmp_stg_check_rivals( // 0 -- Ok, 1 -- errors found.
    char const *name, // Name of variable.
    char const *value, // Value of the variable.
    kmp_setting_t **rivals // List of rival settings (must include current one).
) {

  if (rivals == NULL) {
    return 0;
  }

  // Loop thru higher priority settings (listed before current).
  int i = 0;
  for (; strcmp(rivals[i]->name, name) != 0; i++) {
    KMP_DEBUG_ASSERT(rivals[i] != NULL);

#if KMP_AFFINITY_SUPPORTED
    if (rivals[i] == __kmp_affinity_notype) {
      // If KMP_AFFINITY is specified without a type name,
      // it does not rival OMP_PROC_BIND or GOMP_CPU_AFFINITY.
      continue;
    }
#endif

    if (rivals[i]->set) {
      KMP_WARNING(StgIgnored, name, rivals[i]->name);
      return 1;
    }
  }

  ++i; // Skip current setting.
  return 0;

} // __kmp_stg_check_rivals

static int __kmp_env_toPrint(char const *name, int flag) {
  int rc = 0;
  kmp_setting_t *setting = __kmp_stg_find(name);
  if (setting != NULL) {
    rc = setting->defined;
    if (flag >= 0) {
      setting->defined = flag;
    }
  }
  return rc;
}

static void __kmp_aux_env_initialize(kmp_env_blk_t *block) {

  char const *value;

  /* OMP_NUM_THREADS */
  value = __kmp_env_blk_var(block, "OMP_NUM_THREADS");
  if (value) {
    ompc_set_num_threads(__kmp_dflt_team_nth);
  }

  /* KMP_BLOCKTIME */
  value = __kmp_env_blk_var(block, "KMP_BLOCKTIME");
  if (value) {
    kmpc_set_blocktime(__kmp_dflt_blocktime);
  }

  /* OMP_NESTED */
  value = __kmp_env_blk_var(block, "OMP_NESTED");
  if (value) {
    ompc_set_nested(__kmp_dflt_max_active_levels > 1);
  }

  /* OMP_DYNAMIC */
  value = __kmp_env_blk_var(block, "OMP_DYNAMIC");
  if (value) {
    ompc_set_dynamic(__kmp_global.g.g_dynamic);
  }
}

void __kmp_env_initialize(char const *string) {

  kmp_env_blk_t block;
  int i;

  __kmp_stg_init();

  // Hack!!!
  if (string == NULL) {
    // __kmp_max_nth = __kmp_sys_max_nth;
    __kmp_threads_capacity =
        __kmp_initial_threads_capacity(__kmp_dflt_team_nth_ub);
  }
  __kmp_env_blk_init(&block, string);

  // update the set flag on all entries that have an env var
  for (i = 0; i < block.count; ++i) {
    if ((block.vars[i].name == NULL) || (*block.vars[i].name == '\0')) {
      continue;
    }
    if (block.vars[i].value == NULL) {
      continue;
    }
    kmp_setting_t *setting = __kmp_stg_find(block.vars[i].name);
    if (setting != NULL) {
      setting->set = 1;
    }
  }

  // We need to know if blocktime was set when processing OMP_WAIT_POLICY
  blocktime_str = __kmp_env_blk_var(&block, "KMP_BLOCKTIME");

  // Special case. If we parse environment, not a string, process KMP_WARNINGS
  // first.
  if (string == NULL) {
    char const *name = "KMP_WARNINGS";
    char const *value = __kmp_env_blk_var(&block, name);
    __kmp_stg_parse(name, value);
  }

#if KMP_AFFINITY_SUPPORTED
  // Special case. KMP_AFFINITY is not a rival to other affinity env vars
  // if no affinity type is specified.  We want to allow
  // KMP_AFFINITY=[no],verbose/[no]warnings/etc.  to be enabled when
  // specifying the affinity type via GOMP_CPU_AFFINITY or the OMP 4.0
  // affinity mechanism.
  __kmp_affinity_notype = NULL;
  char const *aff_str = __kmp_env_blk_var(&block, "KMP_AFFINITY");
  if (aff_str != NULL) {
    // Check if the KMP_AFFINITY type is specified in the string.
    // We just search the string for "compact", "scatter", etc.
    // without really parsing the string.  The syntax of the
    // KMP_AFFINITY env var is such that none of the affinity
    // type names can appear anywhere other that the type
    // specifier, even as substrings.
    //
    // I can't find a case-insensitive version of strstr on Windows* OS.
    // Use the case-sensitive version for now.

#if KMP_OS_WINDOWS
#define FIND strstr
#else
#define FIND strcasestr
#endif

    if ((FIND(aff_str, "none") == NULL) &&
        (FIND(aff_str, "physical") == NULL) &&
        (FIND(aff_str, "logical") == NULL) &&
        (FIND(aff_str, "compact") == NULL) &&
        (FIND(aff_str, "scatter") == NULL) &&
        (FIND(aff_str, "explicit") == NULL) &&
        (FIND(aff_str, "balanced") == NULL) &&
        (FIND(aff_str, "disabled") == NULL)) {
      __kmp_affinity_notype = __kmp_stg_find("KMP_AFFINITY");
    } else {
      // A new affinity type is specified.
      // Reset the affinity flags to their default values,
      // in case this is called from kmp_set_defaults().
      __kmp_affinity_type = affinity_default;
      __kmp_affinity_gran = KMP_HW_UNKNOWN;
      __kmp_affinity_top_method = affinity_top_method_default;
      __kmp_affinity_respect_mask = affinity_respect_mask_default;
    }
#undef FIND

    // Also reset the affinity flags if OMP_PROC_BIND is specified.
    aff_str = __kmp_env_blk_var(&block, "OMP_PROC_BIND");
    if (aff_str != NULL) {
      __kmp_affinity_type = affinity_default;
      __kmp_affinity_gran = KMP_HW_UNKNOWN;
      __kmp_affinity_top_method = affinity_top_method_default;
      __kmp_affinity_respect_mask = affinity_respect_mask_default;
    }
  }

#endif /* KMP_AFFINITY_SUPPORTED */

  // Set up the nested proc bind type vector.
  if (__kmp_nested_proc_bind.bind_types == NULL) {
    __kmp_nested_proc_bind.bind_types =
        (kmp_proc_bind_t *)KMP_INTERNAL_MALLOC(sizeof(kmp_proc_bind_t));
    if (__kmp_nested_proc_bind.bind_types == NULL) {
      KMP_FATAL(MemoryAllocFailed);
    }
    __kmp_nested_proc_bind.size = 1;
    __kmp_nested_proc_bind.used = 1;
#if KMP_AFFINITY_SUPPORTED
    __kmp_nested_proc_bind.bind_types[0] = proc_bind_default;
#else
    // default proc bind is false if affinity not supported
    __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
#endif
  }

  // Set up the affinity format ICV
  // Grab the default affinity format string from the message catalog
  kmp_msg_t m =
      __kmp_msg_format(kmp_i18n_msg_AffFormatDefault, "%P", "%i", "%n", "%A");
  KMP_DEBUG_ASSERT(KMP_STRLEN(m.str) < KMP_AFFINITY_FORMAT_SIZE);

  if (__kmp_affinity_format == NULL) {
    __kmp_affinity_format =
        (char *)KMP_INTERNAL_MALLOC(sizeof(char) * KMP_AFFINITY_FORMAT_SIZE);
  }
  KMP_STRCPY_S(__kmp_affinity_format, KMP_AFFINITY_FORMAT_SIZE, m.str);
  __kmp_str_free(&m.str);

  // Now process all of the settings.
  for (i = 0; i < block.count; ++i) {
    __kmp_stg_parse(block.vars[i].name, block.vars[i].value);
  }

  // If user locks have been allocated yet, don't reset the lock vptr table.
  if (!__kmp_init_user_locks) {
    if (__kmp_user_lock_kind == lk_default) {
      __kmp_user_lock_kind = lk_queuing;
    }
#if KMP_USE_DYNAMIC_LOCK
    __kmp_init_dynamic_user_locks();
#else
    __kmp_set_user_lock_vptrs(__kmp_user_lock_kind);
#endif
  } else {
    KMP_DEBUG_ASSERT(string != NULL); // kmp_set_defaults() was called
    KMP_DEBUG_ASSERT(__kmp_user_lock_kind != lk_default);
// Binds lock functions again to follow the transition between different
// KMP_CONSISTENCY_CHECK values. Calling this again is harmless as long
// as we do not allow lock kind changes after making a call to any
// user lock functions (true).
#if KMP_USE_DYNAMIC_LOCK
    __kmp_init_dynamic_user_locks();
#else
    __kmp_set_user_lock_vptrs(__kmp_user_lock_kind);
#endif
  }

#if KMP_AFFINITY_SUPPORTED

  if (!TCR_4(__kmp_init_middle)) {
#if KMP_USE_HWLOC
    // Force using hwloc when either tiles or numa nodes requested within
    // KMP_HW_SUBSET or granularity setting and no other topology method
    // is requested
    if (__kmp_hw_subset &&
        __kmp_affinity_top_method == affinity_top_method_default)
      if (__kmp_hw_subset->specified(KMP_HW_NUMA) ||
          __kmp_hw_subset->specified(KMP_HW_TILE) ||
          __kmp_affinity_gran == KMP_HW_TILE ||
          __kmp_affinity_gran == KMP_HW_NUMA)
        __kmp_affinity_top_method = affinity_top_method_hwloc;
    // Force using hwloc when tiles or numa nodes requested for OMP_PLACES
    if (__kmp_affinity_gran == KMP_HW_NUMA ||
        __kmp_affinity_gran == KMP_HW_TILE)
      __kmp_affinity_top_method = affinity_top_method_hwloc;
#endif
    // Determine if the machine/OS is actually capable of supporting
    // affinity.
    const char *var = "KMP_AFFINITY";
    KMPAffinity::pick_api();
#if KMP_USE_HWLOC
    // If Hwloc topology discovery was requested but affinity was also disabled,
    // then tell user that Hwloc request is being ignored and use default
    // topology discovery method.
    if (__kmp_affinity_top_method == affinity_top_method_hwloc &&
        __kmp_affinity_dispatch->get_api_type() != KMPAffinity::HWLOC) {
      KMP_WARNING(AffIgnoringHwloc, var);
      __kmp_affinity_top_method = affinity_top_method_all;
    }
#endif
    if (__kmp_affinity_type == affinity_disabled) {
      KMP_AFFINITY_DISABLE();
    } else if (!KMP_AFFINITY_CAPABLE()) {
      __kmp_affinity_dispatch->determine_capable(var);
      if (!KMP_AFFINITY_CAPABLE()) {
        if (__kmp_affinity_verbose ||
            (__kmp_affinity_warnings &&
             (__kmp_affinity_type != affinity_default) &&
             (__kmp_affinity_type != affinity_none) &&
             (__kmp_affinity_type != affinity_disabled))) {
          KMP_WARNING(AffNotSupported, var);
        }
        __kmp_affinity_type = affinity_disabled;
        __kmp_affinity_respect_mask = 0;
        __kmp_affinity_gran = KMP_HW_THREAD;
      }
    }

    if (__kmp_affinity_type == affinity_disabled) {
      __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
    } else if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_true) {
      // OMP_PROC_BIND=true maps to OMP_PROC_BIND=spread.
      __kmp_nested_proc_bind.bind_types[0] = proc_bind_spread;
    }

    if (KMP_AFFINITY_CAPABLE()) {

#if KMP_GROUP_AFFINITY
      // This checks to see if the initial affinity mask is equal
      // to a single windows processor group.  If it is, then we do
      // not respect the initial affinity mask and instead, use the
      // entire machine.
      bool exactly_one_group = false;
      if (__kmp_num_proc_groups > 1) {
        int group;
        bool within_one_group;
        // Get the initial affinity mask and determine if it is
        // contained within a single group.
        kmp_affin_mask_t *init_mask;
        KMP_CPU_ALLOC(init_mask);
        __kmp_get_system_affinity(init_mask, TRUE);
        group = __kmp_get_proc_group(init_mask);
        within_one_group = (group >= 0);
        // If the initial affinity is within a single group,
        // then determine if it is equal to that single group.
        if (within_one_group) {
          DWORD num_bits_in_group = __kmp_GetActiveProcessorCount(group);
          DWORD num_bits_in_mask = 0;
          for (int bit = init_mask->begin(); bit != init_mask->end();
               bit = init_mask->next(bit))
            num_bits_in_mask++;
          exactly_one_group = (num_bits_in_group == num_bits_in_mask);
        }
        KMP_CPU_FREE(init_mask);
      }

      // Handle the Win 64 group affinity stuff if there are multiple
      // processor groups, or if the user requested it, and OMP 4.0
      // affinity is not in effect.
      if (((__kmp_num_proc_groups > 1) &&
           (__kmp_affinity_type == affinity_default) &&
           (__kmp_nested_proc_bind.bind_types[0] == proc_bind_default)) ||
          (__kmp_affinity_top_method == affinity_top_method_group)) {
        if (__kmp_affinity_respect_mask == affinity_respect_mask_default &&
            exactly_one_group) {
          __kmp_affinity_respect_mask = FALSE;
        }
        if (__kmp_affinity_type == affinity_default) {
          __kmp_affinity_type = affinity_compact;
          __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
        }
        if (__kmp_affinity_top_method == affinity_top_method_default) {
          if (__kmp_affinity_gran == KMP_HW_UNKNOWN) {
            __kmp_affinity_top_method = affinity_top_method_group;
            __kmp_affinity_gran = KMP_HW_PROC_GROUP;
          } else if (__kmp_affinity_gran == KMP_HW_PROC_GROUP) {
            __kmp_affinity_top_method = affinity_top_method_group;
          } else {
            __kmp_affinity_top_method = affinity_top_method_all;
          }
        } else if (__kmp_affinity_top_method == affinity_top_method_group) {
          if (__kmp_affinity_gran == KMP_HW_UNKNOWN) {
            __kmp_affinity_gran = KMP_HW_PROC_GROUP;
          } else if ((__kmp_affinity_gran != KMP_HW_PROC_GROUP) &&
                     (__kmp_affinity_gran != KMP_HW_THREAD)) {
            const char *str = __kmp_hw_get_keyword(__kmp_affinity_gran);
            KMP_WARNING(AffGranTopGroup, var, str);
            __kmp_affinity_gran = KMP_HW_THREAD;
          }
        } else {
          if (__kmp_affinity_gran == KMP_HW_UNKNOWN) {
            __kmp_affinity_gran = KMP_HW_CORE;
          } else if (__kmp_affinity_gran == KMP_HW_PROC_GROUP) {
            const char *str = NULL;
            switch (__kmp_affinity_type) {
            case affinity_physical:
              str = "physical";
              break;
            case affinity_logical:
              str = "logical";
              break;
            case affinity_compact:
              str = "compact";
              break;
            case affinity_scatter:
              str = "scatter";
              break;
            case affinity_explicit:
              str = "explicit";
              break;
            // No MIC on windows, so no affinity_balanced case
            default:
              KMP_DEBUG_ASSERT(0);
            }
            KMP_WARNING(AffGranGroupType, var, str);
            __kmp_affinity_gran = KMP_HW_CORE;
          }
        }
      } else

#endif /* KMP_GROUP_AFFINITY */

      {
        if (__kmp_affinity_respect_mask == affinity_respect_mask_default) {
#if KMP_GROUP_AFFINITY
          if (__kmp_num_proc_groups > 1 && exactly_one_group) {
            __kmp_affinity_respect_mask = FALSE;
          } else
#endif /* KMP_GROUP_AFFINITY */
          {
            __kmp_affinity_respect_mask = TRUE;
          }
        }
        if ((__kmp_nested_proc_bind.bind_types[0] != proc_bind_intel) &&
            (__kmp_nested_proc_bind.bind_types[0] != proc_bind_default)) {
          if (__kmp_affinity_type == affinity_default) {
            __kmp_affinity_type = affinity_compact;
            __kmp_affinity_dups = FALSE;
          }
        } else if (__kmp_affinity_type == affinity_default) {
#if KMP_MIC_SUPPORTED
          if (__kmp_mic_type != non_mic) {
            __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
          } else
#endif
          {
            __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
          }
#if KMP_MIC_SUPPORTED
          if (__kmp_mic_type != non_mic) {
            __kmp_affinity_type = affinity_scatter;
          } else
#endif
          {
            __kmp_affinity_type = affinity_none;
          }
        }
        if ((__kmp_affinity_gran == KMP_HW_UNKNOWN) &&
            (__kmp_affinity_gran_levels < 0)) {
#if KMP_MIC_SUPPORTED
          if (__kmp_mic_type != non_mic) {
            __kmp_affinity_gran = KMP_HW_THREAD;
          } else
#endif
          {
            __kmp_affinity_gran = KMP_HW_CORE;
          }
        }
        if (__kmp_affinity_top_method == affinity_top_method_default) {
          __kmp_affinity_top_method = affinity_top_method_all;
        }
      }
    }

    K_DIAG(1, ("__kmp_affinity_type         == %d\n", __kmp_affinity_type));
    K_DIAG(1, ("__kmp_affinity_compact      == %d\n", __kmp_affinity_compact));
    K_DIAG(1, ("__kmp_affinity_offset       == %d\n", __kmp_affinity_offset));
    K_DIAG(1, ("__kmp_affinity_verbose      == %d\n", __kmp_affinity_verbose));
    K_DIAG(1, ("__kmp_affinity_warnings     == %d\n", __kmp_affinity_warnings));
    K_DIAG(1, ("__kmp_affinity_respect_mask == %d\n",
               __kmp_affinity_respect_mask));
    K_DIAG(1, ("__kmp_affinity_gran         == %d\n", __kmp_affinity_gran));

    KMP_DEBUG_ASSERT(__kmp_affinity_type != affinity_default);
    KMP_DEBUG_ASSERT(__kmp_nested_proc_bind.bind_types[0] != proc_bind_default);
    K_DIAG(1, ("__kmp_nested_proc_bind.bind_types[0] == %d\n",
               __kmp_nested_proc_bind.bind_types[0]));
  }

#endif /* KMP_AFFINITY_SUPPORTED */

  if (__kmp_version) {
    __kmp_print_version_1();
  }

  // Post-initialization step: some env. vars need their value's further
  // processing
  if (string != NULL) { // kmp_set_defaults() was called
    __kmp_aux_env_initialize(&block);
  }

  __kmp_env_blk_free(&block);

  KMP_MB();

} // __kmp_env_initialize

void __kmp_env_print() {

  kmp_env_blk_t block;
  int i;
  kmp_str_buf_t buffer;

  __kmp_stg_init();
  __kmp_str_buf_init(&buffer);

  __kmp_env_blk_init(&block, NULL);
  __kmp_env_blk_sort(&block);

  // Print real environment values.
  __kmp_str_buf_print(&buffer, "\n%s\n\n", KMP_I18N_STR(UserSettings));
  for (i = 0; i < block.count; ++i) {
    char const *name = block.vars[i].name;
    char const *value = block.vars[i].value;
    if ((KMP_STRLEN(name) > 4 && strncmp(name, "KMP_", 4) == 0) ||
        strncmp(name, "OMP_", 4) == 0
#ifdef KMP_GOMP_COMPAT
        || strncmp(name, "GOMP_", 5) == 0
#endif // KMP_GOMP_COMPAT
    ) {
      __kmp_str_buf_print(&buffer, "   %s=%s\n", name, value);
    }
  }
  __kmp_str_buf_print(&buffer, "\n");

  // Print internal (effective) settings.
  __kmp_str_buf_print(&buffer, "%s\n\n", KMP_I18N_STR(EffectiveSettings));
  for (int i = 0; i < __kmp_stg_count; ++i) {
    if (__kmp_stg_table[i].print != NULL) {
      __kmp_stg_table[i].print(&buffer, __kmp_stg_table[i].name,
                               __kmp_stg_table[i].data);
    }
  }

  __kmp_printf("%s", buffer.str);

  __kmp_env_blk_free(&block);
  __kmp_str_buf_free(&buffer);

  __kmp_printf("\n");

} // __kmp_env_print

void __kmp_env_print_2() {
  __kmp_display_env_impl(__kmp_display_env, __kmp_display_env_verbose);
} // __kmp_env_print_2

void __kmp_display_env_impl(int display_env, int display_env_verbose) {
  kmp_env_blk_t block;
  kmp_str_buf_t buffer;

  __kmp_env_format = 1;

  __kmp_stg_init();
  __kmp_str_buf_init(&buffer);

  __kmp_env_blk_init(&block, NULL);
  __kmp_env_blk_sort(&block);

  __kmp_str_buf_print(&buffer, "\n%s\n", KMP_I18N_STR(DisplayEnvBegin));
  __kmp_str_buf_print(&buffer, "   _OPENMP='%d'\n", __kmp_openmp_version);

  for (int i = 0; i < __kmp_stg_count; ++i) {
    if (__kmp_stg_table[i].print != NULL &&
        ((display_env && strncmp(__kmp_stg_table[i].name, "OMP_", 4) == 0) ||
         display_env_verbose)) {
      __kmp_stg_table[i].print(&buffer, __kmp_stg_table[i].name,
                               __kmp_stg_table[i].data);
    }
  }

  __kmp_str_buf_print(&buffer, "%s\n", KMP_I18N_STR(DisplayEnvEnd));
  __kmp_str_buf_print(&buffer, "\n");

  __kmp_printf("%s", buffer.str);

  __kmp_env_blk_free(&block);
  __kmp_str_buf_free(&buffer);

  __kmp_printf("\n");
}

#if OMPD_SUPPORT
// Dump environment variables for OMPD
void __kmp_env_dump() {

  kmp_env_blk_t block;
  kmp_str_buf_t buffer, env, notdefined;

  __kmp_stg_init();
  __kmp_str_buf_init(&buffer);
  __kmp_str_buf_init(&env);
  __kmp_str_buf_init(&notdefined);

  __kmp_env_blk_init(&block, NULL);
  __kmp_env_blk_sort(&block);

  __kmp_str_buf_print(&notdefined, ": %s", KMP_I18N_STR(NotDefined));

  for (int i = 0; i < __kmp_stg_count; ++i) {
    if (__kmp_stg_table[i].print == NULL)
      continue;
    __kmp_str_buf_clear(&env);
    __kmp_stg_table[i].print(&env, __kmp_stg_table[i].name,
                             __kmp_stg_table[i].data);
    if (env.used < 4) // valid definition must have indents (3) and a new line
      continue;
    if (strstr(env.str, notdefined.str))
      // normalize the string
      __kmp_str_buf_print(&buffer, "%s=undefined\n", __kmp_stg_table[i].name);
    else
      __kmp_str_buf_cat(&buffer, env.str + 3, env.used - 3);
  }

  ompd_env_block = (char *)__kmp_allocate(buffer.used + 1);
  KMP_MEMCPY(ompd_env_block, buffer.str, buffer.used + 1);
  ompd_env_block_size = (ompd_size_t)KMP_STRLEN(ompd_env_block);

  __kmp_env_blk_free(&block);
  __kmp_str_buf_free(&buffer);
  __kmp_str_buf_free(&env);
  __kmp_str_buf_free(&notdefined);
}
#endif // OMPD_SUPPORT

// end of file