debug/chk_fail.c

   1 /* Copyright (C) 2004, 2005 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21
  22
  23 extern char **__libc_argv attribute_hidden;
  24
  25 void
  26 __attribute__ ((noreturn))
  27 __chk_fail (void)
  28 {
  29   /* The loop is added only to keep gcc happy.  */
  30   while (1)
  31     __libc_message (2, "*** buffer overflow detected ***: %s terminated\n",
  32                     __libc_argv[0] ?: "<unknown>");
  33 }
  34 libc_hidden_def (__chk_fail)