New test against stack overflow.

1 files changed, 79 insertions, 0 deletions

diff --git a/gettext-tools/tests/gettext-8-prg.c b/gettext-tools/tests/gettext-8-prg.c
new file mode 100644
index 0000000..a5e1513
--- /dev/null
+++ b/gettext-tools/tests/gettext-8-prg.c
@@ -0,0 +1,79 @@
+/* Test that gettext() does not crash by stack overflow when msgid is very long.
+   Copyright (C) 2007 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Bruno Haible <haible@clisp.cons.org>, 2007.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#if HAVE_GETRLIMIT && HAVE_SETRLIMIT
+# include <sys/types.h>
+# include <sys/time.h>
+# include <sys/resource.h>
+#endif
+
+/* Make sure we use the included libintl, not the system's one. */
+#undef _LIBINTL_H
+#include "libgnuintl.h"
+
+int
+main ()
+{
+  size_t n;
+  char *msg;
+
+  n = 1000000;
+
+#if HAVE_GETRLIMIT && HAVE_SETRLIMIT
+  {
+    struct rlimit limit;
+
+# ifdef RLIMIT_STACK
+    if (getrlimit (RLIMIT_STACK, &limit) < 0)
+      {
+	printf ("Skipping test: getrlimit does not work\n");
+	return 77;
+      }
+    if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > n)
+      limit.rlim_max = n;
+    limit.rlim_cur = limit.rlim_max;
+    if (setrlimit (RLIMIT_STACK, &limit) < 0)
+      {
+	printf ("Skipping test: setrlimit does not work\n");
+	return 77;
+      }
+# endif
+  }
+#endif
+
+  msg = (char *) malloc (n + 1);
+  if (msg == NULL)
+    {
+      printf ("Skipping test: out of memory\n");
+      return 77;
+    }
+  memset (msg, 'x', n);
+  msg[n] = '\0';
+
+  msg = gettext (msg);
+
+  return 0;
+}