diff options
Diffstat (limited to 'libio')
| -rw-r--r-- | libio/bits/stdio-ldbl.h | 15 | ||||
| -rw-r--r-- | libio/libio.h | 3 | ||||
| -rw-r--r-- | libio/libioP.h | 2 | ||||
| -rw-r--r-- | libio/stdio.h | 64 |
4 files changed, 83 insertions, 1 deletions
diff --git a/libio/bits/stdio-ldbl.h b/libio/bits/stdio-ldbl.h index b6ec7f3c92..c93e6c48fb 100644 --- a/libio/bits/stdio-ldbl.h +++ b/libio/bits/stdio-ldbl.h @@ -28,9 +28,17 @@ __LDBL_REDIR_DECL (sprintf) __LDBL_REDIR_DECL (vfprintf) __LDBL_REDIR_DECL (vprintf) __LDBL_REDIR_DECL (vsprintf) +#if defined __USE_ISOC99 && !defined __USE_GNU \ + && !defined __REDIRECT \ + && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K) +__LDBL_REDIR1_DECL (fscanf, __nldbl___isoc99_fscanf) +__LDBL_REDIR1_DECL (scanf, __nldbl___isoc99_scanf) +__LDBL_REDIR1_DECL (sscanf, __nldbl___isoc99_sscanf) +#else __LDBL_REDIR_DECL (fscanf) __LDBL_REDIR_DECL (scanf) __LDBL_REDIR_DECL (sscanf) +#endif __END_NAMESPACE_STD #if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98 @@ -42,9 +50,16 @@ __END_NAMESPACE_C99 #ifdef __USE_ISOC99 __BEGIN_NAMESPACE_C99 +# if !defined __USE_GNU && !defined __REDIRECT \ + && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K) +__LDBL_REDIR1_DECL (vfscanf, __nldbl___isoc99_vfscanf) +__LDBL_REDIR1_DECL (vscanf, __nldbl___isoc99_vscanf) +__LDBL_REDIR1_DECL (vsscanf, __nldbl___isoc99_vsscanf) +# else __LDBL_REDIR_DECL (vfscanf) __LDBL_REDIR_DECL (vsscanf) __LDBL_REDIR_DECL (vscanf) +# endif __END_NAMESPACE_C99 #endif diff --git a/libio/libio.h b/libio/libio.h index a807883856..643812f72b 100644 --- a/libio/libio.h +++ b/libio/libio.h @@ -143,6 +143,9 @@ # define _IO_FLAGS2_FORTIFY 4 #endif #define _IO_FLAGS2_USER_WBUF 8 +#ifdef _LIBC +# define _IO_FLAGS2_SCANF_STD 16 +#endif /* These are "formatting flags" matching the iostream fmtflags enum values. */ #define _IO_SKIPWS 01 diff --git a/libio/libioP.h b/libio/libioP.h index b99b81743f..854f049291 100644 --- a/libio/libioP.h +++ b/libio/libioP.h @@ -974,7 +974,7 @@ __attribute__ ((__always_inline__)) _IO_acquire_lock_clear_flags2_fct (_IO_FILE **p) { _IO_FILE *fp = *p; - fp->_flags &= ~_IO_FLAGS2_FORTIFY; + fp->_flags2 &= ~(_IO_FLAGS2_FORTIFY | _IO_FLAGS2_SCANF_STD); if ((fp->_flags & _IO_USER_LOCK) == 0) _IO_funlockfile (fp); } diff --git a/libio/stdio.h b/libio/stdio.h index c1ba9b2235..47c6cb0a90 100644 --- a/libio/stdio.h +++ b/libio/stdio.h @@ -410,6 +410,34 @@ 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 @@ -433,6 +461,42 @@ 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. */ |