diff options
Diffstat (limited to 'libio/libioP.h')
| -rw-r--r-- | libio/libioP.h | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/libio/libioP.h b/libio/libioP.h index fe52ef1752..ce5228e382 100644 --- a/libio/libioP.h +++ b/libio/libioP.h @@ -677,9 +677,16 @@ extern int __obstack_vprintf_internal (struct obstack *ob, const char *fmt, va_list ap, unsigned int mode_flags) attribute_hidden; -extern int __vsprintf_internal (char *string, const char *format, va_list ap, +/* Note: __vsprintf_internal, unlike vsprintf, does take a maxlen argument, + because it's called by both vsprintf and vsprintf_chk. If maxlen is + not set to -1, overrunning the buffer will cause a prompt crash. + This is the behavior of ordinary (v)sprintf functions, thus they call + __vsprintf_internal with that argument set to -1. */ +extern int __vsprintf_internal (char *string, size_t maxlen, + const char *format, va_list ap, unsigned int mode_flags) attribute_hidden; + extern int __vsnprintf_internal (char *string, size_t maxlen, const char *format, va_list ap, unsigned int mode_flags) @@ -818,26 +825,10 @@ _IO_acquire_lock_fct (FILE **p) _IO_funlockfile (fp); } -static inline void -__attribute__ ((__always_inline__)) -_IO_acquire_lock_clear_flags2_fct (FILE **p) -{ - FILE *fp = *p; - fp->_flags2 &= ~(_IO_FLAGS2_FORTIFY); - if ((fp->_flags & _IO_USER_LOCK) == 0) - _IO_funlockfile (fp); -} - #if !defined _IO_MTSAFE_IO && IS_IN (libc) # define _IO_acquire_lock(_fp) \ - do { \ - FILE *_IO_acquire_lock_file = NULL -# define _IO_acquire_lock_clear_flags2(_fp) \ - do { \ - FILE *_IO_acquire_lock_file = (_fp) + do { # define _IO_release_lock(_fp) \ - if (_IO_acquire_lock_file != NULL) \ - _IO_acquire_lock_file->_flags2 &= ~(_IO_FLAGS2_FORTIFY); \ } while (0) #endif |