diff options
Diffstat (limited to 'lib/compat')
| -rw-r--r-- | lib/compat/compat.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/lib/compat/compat.h b/lib/compat/compat.h index a6935b7f1..52379ec8e 100644 --- a/lib/compat/compat.h +++ b/lib/compat/compat.h @@ -47,6 +47,14 @@ #define LIBCOMPAT_GCC_VERSION 0 #endif +#if LIBCOMPAT_GCC_VERSION >= 0x0300 +#define LIBCOMPAT_ATTR_PRINTF(n) __attribute__((format(printf, n, n + 1))) +#define LIBCOMPAT_ATTR_VPRINTF(n) __attribute__((format(printf, n, 0))) +#else +#define LIBCOMPAT_ATTR_PRINTF(n) +#define LIBCOMPAT_ATTR_VPRINTF(n) +#endif + /* For C++, define a __func__ fallback in case it's not natively supported. */ #if defined(__cplusplus) && __cplusplus < 201103L # if LIBCOMPAT_GCC_VERSION >= 0x0200 @@ -118,13 +126,17 @@ extern "C" { #endif #if TEST_LIBCOMPAT || !defined(HAVE_C99_SNPRINTF) -int snprintf(char *str, size_t n, char const *fmt, ...); -int vsnprintf(char *buf, size_t maxsize, const char *fmt, va_list args); +int snprintf(char *str, size_t n, char const *fmt, ...) + LIBCOMPAT_ATTR_PRINTF(3); +int vsnprintf(char *buf, size_t maxsize, const char *fmt, va_list args) + LIBCOMPAT_ATTR_VPRINTF(3); #endif #if TEST_LIBCOMPAT || !defined(HAVE_ASPRINTF) -int asprintf(char **str, char const *fmt, ...); -int vasprintf(char **str, const char *fmt, va_list args); +int asprintf(char **str, char const *fmt, ...) + LIBCOMPAT_ATTR_PRINTF(2); +int vasprintf(char **str, const char *fmt, va_list args) + LIBCOMPAT_ATTR_VPRINTF(2); #endif #if TEST_LIBCOMPAT || !defined(HAVE_STRNLEN) |