@@ -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
+};
Signed-off-by: Avinesh Kumar <akumar@suse.de> --- testcases/kernel/syscalls/sbrk/sbrk02.c | 101 ++++++------------------ 1 file changed, 26 insertions(+), 75 deletions(-)