[LTP] [PATCH v4 2/2] link/link05: Convert to new API

[tangmeng]

Signed-off-by: tangmeng <tangmeng@uniontech.com>
---
 testcases/kernel/syscalls/link/link05.c | 159 ++++++------------------
 1 file changed, 37 insertions(+), 122 deletions(-)

diff --git a/testcases/kernel/syscalls/link/link05.c b/testcases/kernel/syscalls/link/link05.c
index 5981ae62f..28d6079f5 100644
--- a/testcases/kernel/syscalls/link/link05.c
+++ b/testcases/kernel/syscalls/link/link05.c
@@ -1,161 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
  *  AUTHOR		: Richard Logan
  *  CO-PILOT		: William Roske
  * 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/
  */
 
 /*
  * Test if link(2) fails with EMLINK.
  */
 
-#include <sys/types.h>
-#include <fcntl.h>
+#include <stdio.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);
-static void help(void);
-
-char *TCID = "link05";
-int TST_TOTAL = 1;
+#include "tst_test.h"
 
 #define BASENAME	"lkfile"
 
 static char fname[255];
 
-static char *links_arg;
-
-option_t options[] = {
-	{"N:", NULL, &links_arg},
-	{NULL, NULL, NULL}
-};
-
 static int nlinks = 1000;
 
-int main(int ac, char **av)
+static void verify_link(void)
 {
-	int lc;
 	struct stat fbuf, lbuf;
 	int cnt;
 	char lname[255];
 
-	tst_parse_opts(ac, av, options, &help);
-
-	if (links_arg) {
-		nlinks = atoi(links_arg);
-
-		if (nlinks == 0) {
-			tst_brkm(TBROK, NULL,
-			         "nlinks is not a positive number");
-		}
+	for (cnt = 1; cnt < nlinks; cnt++) {
+		sprintf(lname, "%s%d", fname, cnt);
+		TST_EXP_PASS(link(fname, lname), "link(%s, %s)", fname, lname);
 	}
 
-	setup();
-
-	for (lc = 0; TEST_LOOPING(lc); lc++) {
-
-		tst_count = 0;
-
-		for (cnt = 1; cnt < nlinks; cnt++) {
-			sprintf(lname, "%s%d", fname, cnt);
-			TEST(link(fname, lname));
-
-			if (TEST_RETURN == -1) {
-				tst_resm(TFAIL,
-					 "link(%s, %s) Failed, errno=%d : %s",
-					 fname, lname, TEST_ERRNO,
-					 strerror(TEST_ERRNO));
-			}
-		}
-
-		SAFE_STAT(cleanup, fname, &fbuf);
+	SAFE_STAT(fname, &fbuf);
 
-		for (cnt = 1; cnt < nlinks; cnt++) {
-			sprintf(lname, "%s%d", fname, cnt);
+	for (cnt = 1; cnt < nlinks; cnt++) {
+		sprintf(lname, "%s%d", fname, cnt);
 
-			SAFE_STAT(cleanup, lname, &lbuf);
-			if (fbuf.st_nlink <= 1 || lbuf.st_nlink <= 1 ||
-			    (fbuf.st_nlink != lbuf.st_nlink)) {
+		SAFE_STAT(lname, &lbuf);
+		if (fbuf.st_nlink <= 1 || lbuf.st_nlink <= 1 ||
+		    (fbuf.st_nlink != lbuf.st_nlink)) {
 
-				tst_resm(TFAIL,
-					 "link(%s, %s[1-%d]) ret %ld for %d "
-				         "files, stat values do not match %d %d",
-					 fname, fname, nlinks,
-					 TEST_RETURN, nlinks,
-					 (int)fbuf.st_nlink, (int)lbuf.st_nlink);
-				break;
-			}
-		}
-		if (cnt >= nlinks) {
-			tst_resm(TPASS,
-				 "link(%s, %s[1-%d]) ret %ld for %d files, "
-			         "stat linkcounts match %d",
-				 fname, fname, nlinks, TEST_RETURN,
-				 nlinks, (int)fbuf.st_nlink);
-		}
-
-		for (cnt = 1; cnt < nlinks; cnt++) {
-			sprintf(lname, "%s%d", fname, cnt);
-			SAFE_UNLINK(cleanup, lname);
+			tst_res(TFAIL,
+				 "link(%s, %s[1-%d]) ret %ld for %d "
+			         "files, stat values do not match %d %d",
+				 fname, fname, nlinks,
+				 TST_RET, nlinks,
+				 (int)fbuf.st_nlink, (int)lbuf.st_nlink);
+			break;
 		}
 	}
+	if (cnt >= nlinks) {
+		tst_res(TPASS,
+			 "link(%s, %s[1-%d]) ret %ld for %d files, "
+		         "stat linkcounts match %d",
+			 fname, fname, nlinks, TST_RET,
+			 nlinks, (int)fbuf.st_nlink);
+	}
 
-	cleanup();
-	tst_exit();
-}
-
-static void help(void)
-{
-	printf("  -N #links : create #links hard links every iteration\n");
+	for (cnt = 1; cnt < nlinks; cnt++) {
+		sprintf(lname, "%s%d", fname, cnt);
+		SAFE_UNLINK(lname);
+	}
 }
 
 static void setup(void)
 {
-	tst_sig(NOFORK, DEF_HANDLER, cleanup);
-
-	TEST_PAUSE;
-
-	tst_tmpdir();
-
 	sprintf(fname, "%s_%d", BASENAME, getpid());
-	SAFE_TOUCH(cleanup, fname, 0700, NULL);
+	SAFE_TOUCH(fname, 0700, NULL);
 }
 
-static void cleanup(void)
-{
-	tst_rmdir();
-}
+static struct tst_test test = {
+        .test_all = verify_link,
+        .setup = setup,
+        .needs_tmpdir = 1,
+};
-- 
2.20.1