diff options
| -rw-r--r-- | include/stdio.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/include/stdio.h b/include/stdio.h index dea839c5a..9336fe3cc 100644 --- a/include/stdio.h +++ b/include/stdio.h @@ -337,7 +337,8 @@ extern int printf (__const char *__restrict __format, ...); libc_hidden_proto(printf) /* Write formatted output to S. */ extern int sprintf (char *__restrict __s, - __const char *__restrict __format, ...) __THROW; + __const char *__restrict __format, ...) + __THROW __attribute__ ((__format__ (__printf__, 2, 3))); libc_hidden_proto(sprintf) /* Write formatted output to S from argument list ARG. @@ -354,7 +355,8 @@ libc_hidden_proto(vfprintf) extern int vprintf (__const char *__restrict __format, __gnuc_va_list __arg); /* Write formatted output to S from argument list ARG. */ extern int vsprintf (char *__restrict __s, __const char *__restrict __format, - __gnuc_va_list __arg) __THROW; + __gnuc_va_list __arg) + __THROW __attribute__ ((__format__ (__printf__, 2, 0))); __END_NAMESPACE_STD #if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98 @@ -410,16 +412,19 @@ __BEGIN_NAMESPACE_STD This function is a possible cancellation point and therefore not marked with __THROW. */ extern int fscanf (FILE *__restrict __stream, - __const char *__restrict __format, ...) __wur; + __const char *__restrict __format, ...) + __attribute__ ((__format__ (__scanf__, 2, 3))) __wur; libc_hidden_proto(fscanf) /* Read formatted input from stdin. This function is a possible cancellation point and therefore not marked with __THROW. */ -extern int scanf (__const char *__restrict __format, ...) __wur; +extern int scanf (__const char *__restrict __format, ...) + __attribute__ ((__format__ (__scanf__, 1, 2))) __wur; /* Read formatted input from S. */ extern int sscanf (__const char *__restrict __s, - __const char *__restrict __format, ...) __THROW; + __const char *__restrict __format, ...) + __THROW __attribute__ ((__format__ (__scanf__, 2, 3))); libc_hidden_proto(sscanf) __END_NAMESPACE_STD |