[LTP] [PATCH 2/2] syscalls/chown: format output and delete duplicate header files

[Xie Ziyao <xieziyao@huawei.com>]

1. Print values not variable names in the TST_EXP_PASS().
2. Delete duplicate header files.

Signed-off-by: Xie Ziyao <xieziyao@huawei.com>
---
 testcases/kernel/syscalls/chown/chown01.c |  8 +-------
 testcases/kernel/syscalls/chown/chown02.c |  9 +++------
 testcases/kernel/syscalls/chown/chown03.c |  9 ---------
 testcases/kernel/syscalls/chown/chown04.c | 20 +++++++++++---------
 4 files changed, 15 insertions(+), 31 deletions(-)

diff --git a/testcases/kernel/syscalls/chown/chown01.c b/testcases/kernel/syscalls/chown/chown01.c
index 767a2ad5c..7fbb116bd 100644
--- a/testcases/kernel/syscalls/chown/chown01.c
+++ b/testcases/kernel/syscalls/chown/chown01.c
@@ -3,6 +3,7 @@
  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
  * AUTHOR: William Roske
  * CO-PILOT: Dave Fenner
+ * Copyright (c) 2021 Xie Ziyao <xieziyao@huawei.com>
  */

 /*\
@@ -11,13 +12,6 @@
  * Basic test for chown(). Calls chown() on a file and expects it to pass.
  */

-#include <stdio.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <string.h>
-#include <signal.h>
-
 #include "tst_test.h"
 #include "compat_tst_16.h"

diff --git a/testcases/kernel/syscalls/chown/chown02.c b/testcases/kernel/syscalls/chown/chown02.c
index a92a1fd2d..7c96832a4 100644
--- a/testcases/kernel/syscalls/chown/chown02.c
+++ b/testcases/kernel/syscalls/chown/chown02.c
@@ -2,6 +2,7 @@
 /*
  * Copyright (c) International Business Machines  Corp., 2001
  * 07/2001 Ported by Wayne Boyer
+ * Copyright (c) 2021 Xie Ziyao <xieziyao@huawei.com>
  */

 /*\
@@ -12,11 +13,6 @@
  *  - preserves setgid bit set on a non-group-executable file
  */

-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
 #include "tst_test.h"
 #include "compat_tst_16.h"
 #include "tst_safe_macros.h"
@@ -46,7 +42,8 @@ static void run(unsigned int i)

 	SAFE_CHMOD(tc[i].filename, tc[i].set_mode);

-	TST_EXP_PASS(CHOWN(tc[i].filename, uid, gid));
+	TST_EXP_PASS(CHOWN(tc[i].filename, uid, gid), "chown(%s, %d, %d)",
+		     tc[i].filename, uid, gid);

 	struct stat stat_buf;
 	SAFE_STAT(tc[i].filename, &stat_buf);
diff --git a/testcases/kernel/syscalls/chown/chown03.c b/testcases/kernel/syscalls/chown/chown03.c
index ff6e904be..b4ca3af73 100644
--- a/testcases/kernel/syscalls/chown/chown03.c
+++ b/testcases/kernel/syscalls/chown/chown03.c
@@ -17,15 +17,6 @@
  * Also verify that chown() clears the setuid/setgid bits set on the file.
  */

-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <string.h>
-#include <signal.h>
-#include <grp.h>
 #include <pwd.h>

 #include "tst_test.h"
diff --git a/testcases/kernel/syscalls/chown/chown04.c b/testcases/kernel/syscalls/chown/chown04.c
index e7afa1422..4e9188567 100644
--- a/testcases/kernel/syscalls/chown/chown04.c
+++ b/testcases/kernel/syscalls/chown/chown04.c
@@ -54,15 +54,16 @@ static char long_path[PATH_MAX + 2] = {[0 ... PATH_MAX + 1] = 'a'};
 static struct test_case_t {
 	char *pathname;
 	int exp_errno;
+	char *desc;
 } tc[] = {
-	{TEST_FILE1, EPERM},
-	{TEST_FILE2, EACCES},
-	{(char *)-1, EFAULT},
-	{long_path, ENAMETOOLONG},
-	{"", ENOENT},
-	{TEST_FILE3, ENOTDIR},
-	{TEST_FILE4, ELOOP},
-	{TEST_FILE5, EROFS}
+	{TEST_FILE1, EPERM, "without permissions"},
+	{TEST_FILE2, EACCES, "without full permissions of the path prefix"},
+	{(char *)-1, EFAULT, "with unaccessible pathname points"},
+	{long_path, ENAMETOOLONG, "when pathname is too long"},
+	{"", ENOENT, "when file does not exist"},
+	{TEST_FILE3, ENOTDIR, "when the path prefix is not a directory"},
+	{TEST_FILE4, ELOOP, "with too many symbolic links"},
+	{TEST_FILE5, EROFS, "when the named file resides on a read-only filesystem"}
 };

 static void run(unsigned int i)
@@ -73,7 +74,8 @@ static void run(unsigned int i)
 	UID16_CHECK((uid = geteuid()), "chown");
 	GID16_CHECK((gid = getegid()), "chown");

-	TST_EXP_FAIL(CHOWN(tc[i].pathname, uid, gid), tc[i].exp_errno);
+	TST_EXP_FAIL(CHOWN(tc[i].pathname, uid, gid), tc[i].exp_errno,
+		     "chown() %s", tc[i].desc);
 }

 static void setup(void)
--
2.17.1