summaryrefslogtreecommitdiff
path: root/misc/tst-sbrk.c
diff options
context:
space:
mode:
Diffstat (limited to 'misc/tst-sbrk.c')
-rw-r--r--misc/tst-sbrk.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/misc/tst-sbrk.c b/misc/tst-sbrk.c
new file mode 100644
index 0000000000..8db48ca2e9
--- /dev/null
+++ b/misc/tst-sbrk.c
@@ -0,0 +1,49 @@
+/* Test sbrk.
+
+ Copyright (C) 2013-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+
+static int
+do_test (void)
+{
+ /* Try to advance the program break by 1 MiB. */
+ void *one_mib = sbrk (1 * 1024 * 1024);
+ if (one_mib == (void *) -1)
+ {
+ if (errno != ENOMEM)
+ printf ("sbrk (1 MiB) failed, and with wrong errno: %m\n");
+ else
+ printf ("sbrk (1 MiB) failed\n");
+
+ return 1;
+ }
+ else
+ printf ("sbrk at %p\n", one_mib);
+
+ return 0;
+}
+
+/* TODO: fix rlimit bug. 64 MiB (test-skeleton.c's default) should be
+ enough. */
+#define TEST_DATA_LIMIT RLIM_INFINITY
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"