1  /* Test that gettext() does not crash by stack overflow when msgid is very long.
       2     Copyright (C) 2007, 2014, 2018 Free Software Foundation, Inc.
       3  
       4     This program is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU General Public License as published by
       6     the Free Software Foundation; either version 3 of the License, or
       7     (at your option) any later version.
       8  
       9     This program 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
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  /* Written by Bruno Haible <haible@clisp.cons.org>, 2007.  */
      18  
      19  #ifdef HAVE_CONFIG_H
      20  # include <config.h>
      21  #endif
      22  
      23  #include <stdio.h>
      24  #include <stdlib.h>
      25  #include <string.h>
      26  #include <assert.h>
      27  
      28  #if HAVE_GETRLIMIT && HAVE_SETRLIMIT
      29  # include <sys/types.h>
      30  # include <sys/time.h>
      31  # include <sys/resource.h>
      32  #endif
      33  
      34  #if USE_SYSTEM_LIBINTL
      35  # include <libintl.h>
      36  #else
      37  /* Make sure we use the included libintl, not the system's one. */
      38  # undef _LIBINTL_H
      39  # include "libgnuintl.h"
      40  #endif
      41  
      42  int
      43  main ()
      44  {
      45    size_t n;
      46    char *msg;
      47    char *translated;
      48  
      49    n = 1000000;
      50  
      51  #if HAVE_GETRLIMIT && HAVE_SETRLIMIT
      52    {
      53      struct rlimit limit;
      54  
      55  # ifdef RLIMIT_STACK
      56      if (getrlimit (RLIMIT_STACK, &limit) < 0)
      57        {
      58          printf ("Skipping test: getrlimit does not work\n");
      59          return 77;
      60        }
      61      if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > n)
      62        limit.rlim_max = n;
      63      limit.rlim_cur = limit.rlim_max;
      64      if (setrlimit (RLIMIT_STACK, &limit) < 0)
      65        {
      66          printf ("Skipping test: setrlimit does not work\n");
      67          return 77;
      68        }
      69  # endif
      70    }
      71  #endif
      72  
      73    msg = (char *) malloc (n + 1);
      74    if (msg == NULL)
      75      {
      76        printf ("Skipping test: out of memory\n");
      77        return 77;
      78      }
      79    memset (msg, 'x', n);
      80    msg[n] = '\0';
      81  
      82    translated = gettext (msg);
      83    free (msg);
      84    assert (translated != NULL);
      85  
      86    return 0;
      87  }