| /* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. |
| Contributed by Paul Brook |
| |
| This file is part of the GNU Fortran 95 runtime library (libgfortran). |
| |
| Libgfortran is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| In addition to the permissions in the GNU General Public License, the |
| Free Software Foundation gives you unlimited permission to link the |
| compiled version of this file into combinations with other programs, |
| and to distribute those combinations without any restriction coming |
| from the use of this file. (The General Public License restrictions |
| do apply in other respects; for example, they cover modification of |
| the file, and distribution when not linked into a combine |
| executable.) |
| |
| Libgfortran is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with libgfortran; see the file COPYING. If not, write to |
| the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| #include "config.h" |
| #include <string.h> |
| |
| #include "libgfortran.h" |
| #include "../io/io.h" |
| |
| /* Compare a C-style string with a fortran style string in a case-insensitive |
| manner. Used for decoding string options to various statements. Returns |
| zero if not equal, nonzero if equal. */ |
| |
| static int |
| compare0 (const char *s1, int s1_len, const char *s2) |
| { |
| int len; |
| |
| /* Strip trailing blanks from the Fortran string. */ |
| len = fstrlen (s1, s1_len); |
| if(len != strlen(s2)) return 0; /* don't match */ |
| return strncasecmp (s1, s2, len) == 0; |
| } |
| |
| |
| /* Given a fortran string, return its length exclusive of the trailing |
| spaces. */ |
| int |
| fstrlen (const char *string, int len) |
| { |
| for (len--; len >= 0; len--) |
| if (string[len] != ' ') |
| break; |
| |
| return len + 1; |
| } |
| |
| |
| void |
| fstrcpy (char *dest, int destlen, const char *src, int srclen) |
| { |
| if (srclen >= destlen) |
| { |
| /* This will truncate if too long. */ |
| memcpy (dest, src, destlen); |
| } |
| else |
| { |
| memcpy (dest, src, srclen); |
| /* Pad with spaces. */ |
| memset (&dest[srclen], ' ', destlen - srclen); |
| } |
| } |
| |
| |
| void |
| cf_strcpy (char *dest, int dest_len, const char *src) |
| { |
| int src_len; |
| |
| src_len = strlen (src); |
| |
| if (src_len >= dest_len) |
| { |
| /* This will truncate if too long. */ |
| memcpy (dest, src, dest_len); |
| } |
| else |
| { |
| memcpy (dest, src, src_len); |
| /* Pad with spaces. */ |
| memset (&dest[src_len], ' ', dest_len - src_len); |
| } |
| } |
| |
| |
| /* Given a fortran string and an array of st_option structures, search through |
| the array to find a match. If the option is not found, we generate an error |
| if no default is provided. */ |
| |
| int |
| find_option (st_parameter_common *cmp, const char *s1, int s1_len, |
| const st_option * opts, const char *error_message) |
| { |
| for (; opts->name; opts++) |
| if (compare0 (s1, s1_len, opts->name)) |
| return opts->value; |
| |
| generate_error (cmp, ERROR_BAD_OPTION, error_message); |
| |
| return -1; |
| } |