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glibc  2.9
printf_chk.c File Reference
#include <stdarg.h>
#include <stdio.h>
#include "../libio/libioP.h"

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int ___printf_chk (int flag, const char *format,...)

Function Documentation

int ___printf_chk ( int  flag,
const char *  format,

Definition at line 27 of file printf_chk.c.

  va_list ap;
  int done;

  _IO_acquire_lock_clear_flags2 (stdout);
  if (flag > 0)
    stdout->_flags2 |= _IO_FLAGS2_FORTIFY;

  va_start (ap, format);
  done = vfprintf (stdout, format, ap);
  va_end (ap);

  if (flag > 0)
    stdout->_flags2 &= ~_IO_FLAGS2_FORTIFY;
  _IO_release_lock (stdout);

  return done;