[LTP] [PATCH v2 2/2] getuid/getuid03: Convert to new API

[tangmeng]

Signed-off-by: tangmeng <tangmeng@uniontech.com>
---
 testcases/kernel/syscalls/getuid/getuid03.c | 96 +++++----------------
 1 file changed, 23 insertions(+), 73 deletions(-)

diff --git a/testcases/kernel/syscalls/getuid/getuid03.c b/testcases/kernel/syscalls/getuid/getuid03.c
index 7c81c628e..fa1fa52cc 100644
--- a/testcases/kernel/syscalls/getuid/getuid03.c
+++ b/testcases/kernel/syscalls/getuid/getuid03.c
@@ -1,88 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (c) International Business Machines  Corp., 2001
  *  Ported by Wayne Boyer
- *
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */

-/*
- * Testcase to check the basic functionality of the getuid() system call.
+/*\
+ * [Description]
  *
- * For functionality test the return value from getgid() is compared to passwd
- * entry.
+ * Check the basic functionality of the getuid() system call
+ * return value against the /proc/self/status where all the
+ * UIDs are listed.
  */

-#include <pwd.h>
-#include <errno.h>
-
-#include "test.h"
-#include "compat_16.h"
+#include "tst_test.h"
+#include "compat_tst_16.h"

-TCID_DEFINE(getuid03);
-int TST_TOTAL = 1;
-
-static void setup(void);
-static void cleanup(void);
-
-int main(int ac, char **av)
+static void verify_getuid(void)
 {
-	struct passwd *pwent;
-	int lc;
-	uid_t uid;
-
-	tst_parse_opts(ac, av, NULL, NULL);
-
-	setup();
-
-	for (lc = 0; TEST_LOOPING(lc); lc++) {
+	long int uid;

-		tst_count = 0;
+	TST_EXP_POSITIVE(GETUID(), "getuid()");

-		TEST(GETUID(cleanup));
+	SAFE_FILE_LINES_SCANF("/proc/self/status", "Uid: %ld", &uid);

-		if (TEST_RETURN == -1)
-			tst_brkm(TBROK | TTERRNO, cleanup, "getuid failed");
-
-		uid = getuid();
-		pwent = getpwuid(uid);
-
-		if (pwent == NULL)
-			tst_resm(TFAIL | TERRNO, "getpwuid failed");
-
-		UID16_CHECK(pwent->pw_uid, getuid, cleanup);
-
-		if (pwent->pw_uid != TEST_RETURN)
-			tst_resm(TFAIL, "getpwuid value, %d, "
-				 "does not match getuid "
-				 "value, %ld", pwent->pw_uid,
-				 TEST_RETURN);
-		else
-			tst_resm(TPASS, "values from getuid "
-				 "and getpwuid match");
-	}
-	cleanup();
-	tst_exit();
-}
-
-static void setup(void)
-{
-	tst_sig(NOFORK, DEF_HANDLER, cleanup);
-
-	TEST_PAUSE;
+	if (TST_RET != uid)
+		tst_res(TFAIL, "Uid value list in /pro/self/status, %ld, "
+			 "does not match getuid "
+			 "value, %ld", uid,
+			 TST_RET);
+	else
+		tst_res(TPASS, "values from getuid "
+			 "and /proc/self/status match");
 }

-static void cleanup(void)
-{
-}
+static struct tst_test test = {
+        .test_all = verify_getuid,
+};
--
2.20.1