diff options
Diffstat (limited to 'testcases/kernel/syscalls/sbrk/sbrk02.c')
-rw-r--r-- | testcases/kernel/syscalls/sbrk/sbrk02.c | 101 |
1 files changed, 26 insertions, 75 deletions
diff --git a/testcases/kernel/syscalls/sbrk/sbrk02.c b/testcases/kernel/syscalls/sbrk/sbrk02.c index 84744ef90..7fccc4d3a 100644 --- a/testcases/kernel/syscalls/sbrk/sbrk02.c +++ b/testcases/kernel/syscalls/sbrk/sbrk02.c @@ -1,101 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2014 Fujitsu Ltd. * Author: Zeng Linggang <zenglg.jy@cn.fujitsu.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * Copyright (c) 2023 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com> */ -/* - * DESCRIPTION - * Check sbrk() with error condition that should produce ENOMEM. - */ - -#include <errno.h> -#include <unistd.h> -#include "test.h" -#define INC 16*1024*1024 +/*\ + * [Description] + * + * Verify that sbrk() on failure sets errno to ENOMEM. + */ -char *TCID = "sbrk02"; -int TST_TOTAL = 1; -static void setup(void); -static void sbrk_verify(void); -static void cleanup(void); +#include "tst_test.h" +#define INC (16*1024*1024) static long increment = INC; -int main(int argc, char *argv[]) +static void run(void) { - int lc; - int i; - - tst_parse_opts(argc, argv, NULL, NULL); - - setup(); + TESTPTR(sbrk(increment)); - for (lc = 0; TEST_LOOPING(lc); lc++) { - tst_count = 0; - for (i = 0; i < TST_TOTAL; i++) - sbrk_verify(); + if (TST_RET_PTR != (void *)-1) { + tst_res(TFAIL, "sbrk(%ld) unexpectedly passed and returned %p, " + "expected (void *)-1 with errno=%d", + increment, TST_RET_PTR, ENOMEM); + return; } - cleanup(); - tst_exit(); + if (TST_ERR == ENOMEM) + tst_res(TPASS | TTERRNO, "sbrk(%ld) failed as expected", increment); + else + tst_res(TFAIL | TTERRNO, "sbrk(%ld) failed but unexpected errno, " + "expected errno=%d - %s", + increment, ENOMEM, strerror(ENOMEM)); } static void setup(void) { void *ret = NULL; - tst_sig(NOFORK, DEF_HANDLER, cleanup); - - TEST_PAUSE; - - /* call sbrk until it fails or increment overflows */ while (ret != (void *)-1 && increment > 0) { ret = sbrk(increment); increment += INC; } - tst_resm(TINFO | TERRNO, "setup() bailing inc: %ld, ret: %p, sbrk: %p", - increment, ret, sbrk(0)); - - errno = 0; -} - -static void sbrk_verify(void) -{ - void *tret; - - tret = sbrk(increment); - TEST_ERRNO = errno; - - if (tret != (void *)-1) { - tst_resm(TFAIL, - "sbrk(%ld) returned %p, expected (void *)-1, errno=%d", - increment, tret, ENOMEM); - return; - } - - if (TEST_ERRNO == ENOMEM) { - tst_resm(TPASS | TTERRNO, "sbrk(%ld) failed as expected", - increment); - } else { - tst_resm(TFAIL | TTERRNO, - "sbrk(%ld) failed unexpectedly; expected: %d - %s", - increment, ENOMEM, strerror(ENOMEM)); - } } -static void cleanup(void) -{ -} +static struct tst_test test = { + .test_all = run, + .setup = setup +}; |