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include/curl/mprintf.h: add __attribute__ for the prototypes

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- if gcc or clang is used
- if __STDC_VERSION__ >= 199901L, which means greater than C90
- if not using mingw
- if CURL_NO_FMT_CHECKS is not defined

Closes #11589
This commit is contained in:
Daniel Stenberg 2023-08-06 22:28:01 +02:00
parent 51118ba84c
commit cfe85ca562
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 28 additions and 10 deletions
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38
include/curl/mprintf.h
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@ -32,18 +32,36 @@
extern "C" {
#endif
CURL_EXTERN int curl_mprintf(const char *format, ...);
CURL_EXTERN int curl_mfprintf(FILE *fd, const char *format, ...);
CURL_EXTERN int curl_msprintf(char *buffer, const char *format, ...);
#if (defined(__GNUC__) || defined(__clang__)) && \
defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \
!defined(__MINGW32__) && !defined(CURL_NO_FMT_CHECKS)
#define CURL_TEMP_PRINTF(a,b) __attribute__ ((format(printf, a, b)))
#else
#define CURL_TEMP_PRINTF(a,b)
#endif
CURL_EXTERN int curl_mprintf(const char *format, ...) CURL_TEMP_PRINTF(1, 2);
CURL_EXTERN int curl_mfprintf(FILE *fd, const char *format, ...)
CURL_TEMP_PRINTF(2, 3);
CURL_EXTERN int curl_msprintf(char *buffer, const char *format, ...)
CURL_TEMP_PRINTF(2, 3);
CURL_EXTERN int curl_msnprintf(char *buffer, size_t maxlength,
const char *format, ...);
CURL_EXTERN int curl_mvprintf(const char *format, va_list args);
CURL_EXTERN int curl_mvfprintf(FILE *fd, const char *format, va_list args);
CURL_EXTERN int curl_mvsprintf(char *buffer, const char *format, va_list args);
const char *format, ...) CURL_TEMP_PRINTF(3, 4);
CURL_EXTERN int curl_mvprintf(const char *format, va_list args)
CURL_TEMP_PRINTF(1, 0);
CURL_EXTERN int curl_mvfprintf(FILE *fd, const char *format, va_list args)
CURL_TEMP_PRINTF(2, 0);
CURL_EXTERN int curl_mvsprintf(char *buffer, const char *format, va_list args)
CURL_TEMP_PRINTF(2, 0);
CURL_EXTERN int curl_mvsnprintf(char *buffer, size_t maxlength,
const char *format, va_list args);
CURL_EXTERN char *curl_maprintf(const char *format, ...);
CURL_EXTERN char *curl_mvaprintf(const char *format, va_list args);
const char *format, va_list args)
CURL_TEMP_PRINTF(3, 0);
CURL_EXTERN char *curl_maprintf(const char *format, ...)
CURL_TEMP_PRINTF(1, 2);
CURL_EXTERN char *curl_mvaprintf(const char *format, va_list args)
CURL_TEMP_PRINTF(1, 0);
#undef CURL_TEMP_PRINTF
#ifdef __cplusplus
} /* end of extern "C" */