| // RUN: %clang_cc1 -fsyntax-only -verify %s |
| |
| #include <stdarg.h> |
| #include <stddef.h> |
| #define __need_wint_t |
| #include <stddef.h> // For wint_t and wchar_t |
| |
| int printf(const char *restrict, ...); |
| |
| @interface NSString |
| @end |
| |
| void test_os_log_format(const char *pc, int i, void *p, void *buf) { |
| __builtin_os_log_format(buf, ""); |
| __builtin_os_log_format(buf, "%d"); // expected-warning {{more '%' conversions than data arguments}} |
| __builtin_os_log_format(buf, "%d", i); |
| __builtin_os_log_format(buf, "%P", p); // expected-warning {{using '%P' format specifier without precision}} |
| __builtin_os_log_format(buf, "%.10P", p); |
| __builtin_os_log_format(buf, "%.*P", p); // expected-warning {{field precision should have type 'int', but argument has type 'void *'}} |
| __builtin_os_log_format(buf, "%.*P", i, p); |
| __builtin_os_log_format(buf, "%.*P", i, i); // expected-warning {{format specifies type 'void *' but the argument has type 'int'}} |
| __builtin_os_log_format(buf, "%n"); // expected-error {{os_log() '%n' format specifier is not allowed}} |
| __builtin_os_log_format(buf, pc); // expected-error {{os_log() format argument is not a string constant}} |
| |
| printf("%{private}s", pc); // expected-warning {{using 'private' format specifier annotation outside of os_log()/os_trace()}} |
| __builtin_os_log_format(buf, "%{private}s", pc); |
| |
| // <rdar://problem/23835805> |
| __builtin_os_log_format_buffer_size("no-args"); |
| __builtin_os_log_format(buf, "%s", "hi"); |
| |
| // <rdar://problem/24828090> |
| wchar_t wc = 'a'; |
| __builtin_os_log_format(buf, "%C", wc); |
| printf("%C", wc); |
| wchar_t wcs[] = {'a', 0}; |
| __builtin_os_log_format(buf, "%S", wcs); |
| printf("%S", wcs); |
| |
| struct { char data[0x100]; } toobig; |
| __builtin_os_log_format(buf, "%s", toobig); // expected-error {{os_log() argument 2 is too big (256 bytes, max 255)}} |
| |
| __builtin_os_log_format(buf, "%{mask.xyz}s", "abc"); |
| __builtin_os_log_format(buf, "%{mask.}s", "abc"); // expected-error {{mask type size must be between 1-byte and 8-bytes}} |
| __builtin_os_log_format(buf, "%{mask.abcdefghi}s", "abc"); // expected-error {{mask type size must be between 1-byte and 8-bytes}} |
| } |
| |
| // Test os_log_format primitive with ObjC string literal format argument. |
| void test_objc(const char *pc, int i, void *p, void *buf, NSString *nss) { |
| __builtin_os_log_format(buf, @""); |
| __builtin_os_log_format(buf, @"%d"); // expected-warning {{more '%' conversions than data arguments}} |
| __builtin_os_log_format(buf, @"%d", i); |
| __builtin_os_log_format(buf, @"%P", p); // expected-warning {{using '%P' format specifier without precision}} |
| __builtin_os_log_format(buf, @"%.10P", p); |
| __builtin_os_log_format(buf, @"%.*P", p); // expected-warning {{field precision should have type 'int', but argument has type 'void *'}} |
| __builtin_os_log_format(buf, @"%.*P", i, p); |
| __builtin_os_log_format(buf, @"%.*P", i, i); // expected-warning {{format specifies type 'void *' but the argument has type 'int'}} |
| |
| __builtin_os_log_format(buf, @"%{private}s", pc); |
| __builtin_os_log_format(buf, @"%@", nss); |
| } |
| |
| // Test the os_log format attribute. |
| void MyOSLog(const char *format, ...) __attribute__((format(os_log, 1, 2))); |
| void test_attribute(void *p) { |
| MyOSLog("%s\n", "Hello"); |
| MyOSLog("%d"); // expected-warning {{more '%' conversions than data arguments}} |
| MyOSLog("%P", p); // expected-warning {{using '%P' format specifier without precision}} |
| } |