glibc/debug/chk_fail.c

/* Copyright (C) 2004, 2005 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <stdio.h>
#include <stdlib.h>


extern char **__libc_argv attribute_hidden;

void
__attribute__ ((noreturn))
__chk_fail (void)
{
  /* The loop is added only to keep gcc happy.  */
  while (1)
    __libc_message (2, "*** buffer overflow detected ***: %s terminated\n",
		    __libc_argv[0] ?: "<unknown>");
}
libc_hidden_def (__chk_fail)