diff options
Diffstat (limited to 'misc/tst-sbrk.c')
-rw-r--r-- | misc/tst-sbrk.c | 49 |
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" |