regexec.c: avoid overflow in realloc buffer length computation
[glibc.git] / intl / tst-gettext6.c
blob39611aa3b6a150c0d907cf13cd2a07b5709e9d9d
1 /* Test that gettext() in multithreaded applications works correctly.
2 Copyright (C) 2008 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Jakub Jelinek <jakub@redhat.com>, 2008.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #include <libintl.h>
22 #include <locale.h>
23 #include <pthread.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <sys/wait.h>
27 #include <unistd.h>
29 pthread_barrier_t b;
31 static void *
32 tf (void *arg)
34 pthread_barrier_wait (&b);
35 return gettext ("Operation not permitted");
38 int
39 test (void)
41 pthread_t th[4];
42 unsetenv ("LANGUAGE");
43 unsetenv ("OUTPUT_CHARSET");
44 textdomain ("tstgettext6");
45 bindtextdomain ("tstgettext6", OBJPFX "domaindir");
46 setlocale (LC_ALL, "ja_JP.UTF-8");
47 pthread_barrier_init (&b, NULL, 4);
48 for (int i = 0; i < 4; i++)
49 if (pthread_create (&th[i], NULL, tf, NULL))
51 puts ("pthread_create failed");
52 return 1;
54 for (int i = 0; i < 4; i++)
55 pthread_join (th[i], NULL);
56 return 0;
59 int
60 main (void)
62 for (int i = 0; i < 300; i++)
64 pid_t p = fork ();
65 if (p == -1)
67 printf ("fork failed: %m\n");
68 return 1;
70 if (p == 0)
71 _exit (test ());
72 int status;
73 wait (&status);
74 if (WIFEXITED (status) && WEXITSTATUS (status) != 0)
76 printf ("child exited with %d\n", WEXITSTATUS (status));
77 return 1;
79 else if (WIFSIGNALED (status))
81 printf ("child killed by signal %d\n", WTERMSIG (status));
82 return 1;
85 return 0;