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authorAndreas Rottmann <a.rottmann@gmx.at>2009-09-14 12:32:44 +0200
committerAndreas Rottmann <a.rottmann@gmx.at>2009-09-14 12:32:44 +0200
commitfa095a4504cbe668e4244547e2c141597bea4ecf (patch)
tree06135820a286ffec47804e75fbf8a147e92acd2e /tests/test-alloca-opt.c
Imported Upstream version 0.9.1upstream/0.9.1
Diffstat (limited to 'tests/test-alloca-opt.c')
-rw-r--r--tests/test-alloca-opt.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/tests/test-alloca-opt.c b/tests/test-alloca-opt.c
new file mode 100644
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--- /dev/null
+++ b/tests/test-alloca-opt.c
@@ -0,0 +1,62 @@
+/* Test of optional automatic memory allocation.
+ Copyright (C) 2005, 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 <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include <alloca.h>
+
+#if HAVE_ALLOCA
+
+static void
+do_allocation (int n)
+{
+ void *ptr = alloca (n);
+ (void) ptr;
+}
+
+void (*func) (int) = do_allocation;
+
+#endif
+
+int
+main ()
+{
+#if HAVE_ALLOCA
+ int i;
+
+ /* Repeat a lot of times, to make sure there's no memory leak. */
+ for (i = 0; i < 100000; i++)
+ {
+ /* Try various values.
+ n = 0 gave a crash on Alpha with gcc-2.5.8.
+ Some versions of MacOS X have a stack size limit of 512 KB. */
+ func (34);
+ func (134);
+ func (399);
+ func (510823);
+ func (129321);
+ func (0);
+ func (4070);
+ func (4095);
+ func (1);
+ func (16582);
+ }
+#endif
+
+ return 0;
+}