[v3] link/link02: Convert to new API

diff --git a/testcases/kernel/syscalls/link/link02.c b/testcases/kernel/syscalls/link/link02.c
index 6ac340c72..3d265d6eb 100644
--- a/testcases/kernel/syscalls/link/link02.c
+++ b/testcases/kernel/syscalls/link/link02.c
@@ -1,56 +1,20 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
  *  AUTHOR		: William Roske
  *  CO-PILOT		: Dave Fenner
  * Copyright (c) 2014 Cyril Hrubis <chrubis@suse.cz>
- *
- * 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.
- *
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like.  Any license provided herein, whether implied or
- * otherwise, applies only to this software file.  Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * 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.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA  94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
  */

-/*
- * Tests that link(2) succeds.
+/*\
+ * [Description]
+ *
+ * Tests that link(2) succeeds.
  */

-#include <sys/types.h>
-#include <fcntl.h>
+#include <unistd.h>
 #include <sys/stat.h>
-#include <errno.h>
-#include <string.h>
-#include <signal.h>
-#include "test.h"
-#include "safe_macros.h"
-
-static void setup(void);
-static void cleanup(void);
-
-char *TCID = "link02";
-int TST_TOTAL = 1;
+#include "tst_test.h"

 #define OLDPATH "oldpath"
 #define NEWPATH "newpath"
@@ -59,57 +23,33 @@  static void verify_link(void)
 {
 	struct stat fbuf, lbuf;

-	TEST(link(OLDPATH, NEWPATH));
+	TST_EXP_PASS(link(OLDPATH, NEWPATH));

-	if (TEST_RETURN == 0) {
-		SAFE_STAT(cleanup, OLDPATH, &fbuf);
-		SAFE_STAT(cleanup, NEWPATH, &lbuf);
-		if (fbuf.st_nlink > 1 && lbuf.st_nlink > 1 &&
-		    fbuf.st_nlink == lbuf.st_nlink) {
-			tst_resm(TPASS, "link("OLDPATH","NEWPATH") "
-			         "returned 0 and link counts match");
-		} else {
-			tst_resm(TFAIL, "link("OLDPATH","NEWPATH") returned 0"
-				 " but stat lin count do not match %d %d",
-				 (int)fbuf.st_nlink, (int)lbuf.st_nlink);
-		}
-		SAFE_UNLINK(cleanup, NEWPATH);
-	} else {
-		tst_resm(TFAIL | TTERRNO,
-		         "link("OLDPATH","NEWPATH") returned %ld",
-		         TEST_RETURN);
-	}
-}
-
-int main(int ac, char **av)
-{
-	int lc;
-
-	tst_parse_opts(ac, av, NULL, NULL);
+	if (!TST_PASS)
+		return;

-	setup();
+	SAFE_STAT(OLDPATH, &fbuf);
+	SAFE_STAT(NEWPATH, &lbuf);

-	for (lc = 0; TEST_LOOPING(lc); lc++) {
-		tst_count = 0;
-		verify_link();
+	if (fbuf.st_nlink > 1 && fbuf.st_nlink == lbuf.st_nlink) {
+		tst_res(TPASS, "link("OLDPATH","NEWPATH") "
+                                 "returned 0 and stat link counts match");
+	} else {
+		tst_res(TFAIL, "link("OLDPATH","NEWPATH") returned 0"
+                                 " but stat link counts do not match %d %d",
+                                 (int)fbuf.st_nlink, (int)lbuf.st_nlink);
 	}

-	cleanup();
-	tst_exit();
+	SAFE_UNLINK(NEWPATH);
 }

 static void setup(void)
 {
-	tst_sig(NOFORK, DEF_HANDLER, cleanup);
-
-	TEST_PAUSE;
-
-	tst_tmpdir();
-
-	SAFE_TOUCH(cleanup, OLDPATH, 0700, NULL);
+	SAFE_TOUCH(OLDPATH, 0700, NULL);
 }

-static void cleanup(void)
-{
-	tst_rmdir();
-}
+static struct tst_test test = {
+	.test_all = verify_link,
+	.setup = setup,
+	.needs_tmpdir = 1,
+};