diff options
Diffstat (limited to 'libio/stdio.h')
| -rw-r--r-- | libio/stdio.h | 66 |
1 files changed, 65 insertions, 1 deletions
diff --git a/libio/stdio.h b/libio/stdio.h index 46274623c0..c14df27400 100644 --- a/libio/stdio.h +++ b/libio/stdio.h @@ -412,6 +412,34 @@ extern int scanf (__const char *__restrict __format, ...) __wur; /* Read formatted input from S. */ extern int sscanf (__const char *__restrict __s, __const char *__restrict __format, ...) __THROW; + +#if defined __USE_ISOC99 && !defined __USE_GNU \ + && (!defined __LDBL_COMPAT || !defined __REDIRECT) \ + && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K) +# ifdef __REDIRECT +/* For strict ISO C99 or POSIX compliance disallow %as, %aS and %a[ + GNU extension which conflicts with valid %a followed by letter + s, S or [. */ +extern int __REDIRECT (fscanf, (FILE *__restrict __stream, + __const char *__restrict __format, ...), + __isoc99_fscanf) __wur; +extern int __REDIRECT (scanf, (__const char *__restrict __format, ...), + __isoc99_scanf) __wur; +extern int __REDIRECT (sscanf, (__const char *__restrict __s, + __const char *__restrict __format, ...), + __isoc99_sscanf) __THROW; +# else +extern int __isoc99_fscanf (FILE *__restrict __stream, + __const char *__restrict __format, ...) __wur; +extern int __isoc99_scanf (__const char *__restrict __format, ...) __wur; +extern int __isoc99_sscanf (__const char *__restrict __s, + __const char *__restrict __format, ...) __THROW; +# define fscanf __isoc99_fscanf +# define scanf __isoc99_scanf +# define sscanf __isoc99_sscanf +# endif +#endif + __END_NAMESPACE_STD #ifdef __USE_ISOC99 @@ -435,6 +463,42 @@ extern int vscanf (__const char *__restrict __format, _G_va_list __arg) extern int vsscanf (__const char *__restrict __s, __const char *__restrict __format, _G_va_list __arg) __THROW __attribute__ ((__format__ (__scanf__, 2, 0))); + +# if !defined __USE_GNU \ + && (!defined __LDBL_COMPAT || !defined __REDIRECT) \ + && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K) +# ifdef __REDIRECT +/* For strict ISO C99 or POSIX compliance disallow %as, %aS and %a[ + GNU extension which conflicts with valid %a followed by letter + s, S or [. */ +extern int __REDIRECT (vfscanf, + (FILE *__restrict __s, + __const char *__restrict __format, _G_va_list __arg), + __isoc99_vfscanf) + __attribute__ ((__format__ (__scanf__, 2, 0))) __wur; +extern int __REDIRECT (vscanf, (__const char *__restrict __format, + _G_va_list __arg), __isoc99_vfscanf) + __attribute__ ((__format__ (__scanf__, 1, 0))) __wur; +extern int __REDIRECT (vsscanf, + (__const char *__restrict __s, + __const char *__restrict __format, _G_va_list __arg), + __isoc99_vsscanf) + __THROW __attribute__ ((__format__ (__scanf__, 2, 0))); +# else +extern int __isoc99_vfscanf (FILE *__restrict __s, + __const char *__restrict __format, + _G_va_list __arg) __wur; +extern int __isoc99_vscanf (__const char *__restrict __format, + _G_va_list __arg) __wur; +extern int __isoc99_vsscanf (__const char *__restrict __s, + __const char *__restrict __format, + _G_va_list __arg) __THROW; +# define vfscanf __isoc99_vfscanf +# define vscanf __isoc99_vsscanf +# define vsscanf __isoc99_vsscanf +# endif +# endif + __END_NAMESPACE_C99 #endif /* Use ISO C9x. */ @@ -840,7 +904,7 @@ extern void funlockfile (FILE *__stream) __THROW; #ifdef __USE_EXTERN_INLINES # include <bits/stdio.h> #endif -#if __USE_FORTIFY_LEVEL > 0 && !defined __cplusplus +#if __USE_FORTIFY_LEVEL > 0 && defined __extern_always_inline # include <bits/stdio2.h> #endif #ifdef __LDBL_COMPAT |