diff options
Diffstat (limited to 'libc/include/stdio.h')
| -rw-r--r-- | libc/include/stdio.h | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/libc/include/stdio.h b/libc/include/stdio.h index 409afeaf8..260a4e706 100644 --- a/libc/include/stdio.h +++ b/libc/include/stdio.h @@ -222,13 +222,13 @@ int getchar(void); ssize_t getdelim(char ** __restrict, size_t * __restrict, int, FILE * __restrict); ssize_t getline(char ** __restrict, size_t * __restrict, FILE * __restrict); -char *gets(char *); + #if __BSD_VISIBLE && !defined(__SYS_ERRLIST) #define __SYS_ERRLIST - extern int sys_nerr; /* perror(3) external variables */ extern char *sys_errlist[]; #endif + void perror(const char *); int printf(const char * __restrict, ...) __printflike(1, 2); @@ -251,13 +251,16 @@ int vprintf(const char * __restrict, __va_list) __printflike(1, 0); #ifndef __AUDIT__ -char *gets(char *); -int sprintf(char * __restrict, const char * __restrict, ...) - __printflike(2, 3); -char *tmpnam(char *); -int vsprintf(char * __restrict, const char * __restrict, - __va_list) - __printflike(2, 0); +char* gets(char*) __warnattr("gets is very unsafe; consider using fgets"); +int sprintf(char* __restrict, const char* __restrict, ...) + __printflike(2, 3) __warnattr("sprintf is often misused; please use snprintf"); +char* tmpnam(char*) __warnattr("tmpnam possibly used unsafely; consider using mkstemp"); +int vsprintf(char* __restrict, const char* __restrict, __va_list) + __printflike(2, 0) __warnattr("vsprintf is often misused; please use vsnprintf"); +#if __XPG_VISIBLE +char* tempnam(const char*, const char*) + __warnattr("tempnam possibly used unsafely; consider using mkstemp"); +#endif #endif extern int rename(const char*, const char*); @@ -320,9 +323,6 @@ int putc_unlocked(int, FILE *); int putchar_unlocked(int); #endif /* __POSIX_VISIBLE >= 199506 */ -#if __XPG_VISIBLE -char *tempnam(const char *, const char *); -#endif __END_DECLS #endif /* __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE */ |