diff options
| -rw-r--r-- | lib/lib.h | 12 | ||||
| -rw-r--r-- | lib/portability.h | 2 |
2 files changed, 8 insertions, 6 deletions
@@ -88,8 +88,8 @@ void *xzalloc(size_t size); void *xrealloc(void *ptr, size_t size); char *xstrndup(char *s, size_t n); char *xstrdup(char *s); -char *xmprintf(char *format, ...); -void xprintf(char *format, ...); +char *xmprintf(char *format, ...) printf_format; +void xprintf(char *format, ...) printf_format; void xputs(char *s); void xputc(char c); void xflush(void); @@ -132,10 +132,10 @@ char *xtzset(char *new); // lib.c void verror_msg(char *msg, int err, va_list va); -void error_msg(char *msg, ...); -void perror_msg(char *msg, ...); -void error_exit(char *msg, ...) noreturn; -void perror_exit(char *msg, ...) noreturn; +void error_msg(char *msg, ...) printf_format; +void perror_msg(char *msg, ...) printf_format; +void error_exit(char *msg, ...) printf_format noreturn; +void perror_exit(char *msg, ...) printf_format noreturn; ssize_t readall(int fd, void *buf, size_t len); ssize_t writeall(int fd, void *buf, size_t len); off_t lskip(int fd, off_t offset); diff --git a/lib/portability.h b/lib/portability.h index 70e33bf6..809f376c 100644 --- a/lib/portability.h +++ b/lib/portability.h @@ -11,8 +11,10 @@ #ifdef __GNUC__ #define noreturn __attribute__((noreturn)) +#define printf_format __attribute__((format(printf, 1, 2))) #else #define noreturn +#define printf_format #endif // Always use long file support. |