string/tst-strtok_r.c

   1 /* Test strtok_r regression for BZ #14229.
   2    Copyright (C) 2012-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #define TEST_MAIN
  20 #define BUF1PAGES 1
  21 #include "test-string.h"
  22
  23 int
  24 test_main (void)
  25 {
  26   char line[] = "udf 75868 1 - Live 0xffffffffa0bfb000\n";
  27   char **saveptrp;
  28   char *tok;
  29
  30   test_init ();
  31
  32   /* Check strtok_r won't write beyond the size of (*saveptrp).  */
  33   saveptrp = (char **) (buf1 + page_size - sizeof (*saveptrp));
  34   tok = strtok_r (line, " \t", saveptrp);
  35   return strcmp (tok, "udf") != 0;
  36 }
  37
  38 #include <support/test-driver.c>