getdents/getdents05.c: add ENOENT test for getdents(2)

create a new case to test ENOENT error value for getdents(2)

Signed-off-by Xiaoguang Wang <[email protected]>

---
 runtest/ltplite                                 |   1 +
 runtest/stress.part3                            |   1 +
 runtest/syscalls                                |   2 +
 testcases/kernel/syscalls/getdents/getdents05.c | 133 ++++++++++++++++++++++++
 4 files changed, 137 insertions(+)
 create mode 100644 testcases/kernel/syscalls/getdents/getdents05.c

runtest/ltplite +1 -0

index c90bc48..953f5a6 100644
@@ -277,6 +277,7 @@ getdents01 getdents01
 getdents02 getdents02
 getdents03 getdents03
 getdents04 getdents04
+getdents05 getdents05
 
 getdomainname01 getdomainname01
 

runtest/stress.part3 +1 -0

index eac28d0..a4b1a66 100644
@@ -216,6 +216,7 @@ getdents01 getdents01
 getdents02 getdents02
 getdents03 getdents03
 getdents04 getdents04
+getdents05 getdents05
 
 getdomainname01 getdomainname01
 

runtest/syscalls +2 -0

index c5bbe8f..aa2d30c 100644
@@ -327,11 +327,13 @@ getdents01 getdents01
 getdents02 getdents02
 getdents03 getdents03
 getdents04 getdents04
+getdents05 getdents05
 
 getdents01_64 getdents01 -l
 getdents02_64 getdents02 -l
 getdents03_64 getdents03 -l
 getdents04_64 getdents04 -l
+getdents05_64 getdents05 -l
 
 getdomainname01 getdomainname01
 

testcases/kernel/syscalls/getdents/getdents05.c new file +123 -0

new file mode 100644
index 0000000..b4df82a
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2013 Fujitsu Ltd.
+ * Author: Xiaoguang Wang <[email protected]>
+ *
+ * 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.
+ */
+
+/*
+ * Test Description:
+ *   test ENOENT error value for getdents(2)
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "test.h"
+#include "usctest.h"
+#include "safe_macros.h"
+#include "getdents.h"
+
+static void cleanup(void);
+static void setup(void);
+
+#define DIR_MODE	(S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP| \
+			 S_IXGRP|S_IROTH|S_IXOTH)
+#define TEST_DIR	"test_dir"
+
+char *TCID = "getdents05";
+int TST_TOTAL = 1;
+
+static int exp_enos[] = { ENOENT, 0 };
+
+static int longsyscall;
+
+static option_t options[] = {
+		/* -l long option. Tests getdents64 */
+		{"l", &longsyscall, NULL},
+		{NULL, NULL, NULL}
+};
+
+static void help(void)
+{
+	printf("  -l      Test the getdents64 system call\n");
+}
+
+int main(int ac, char **av)
+{
+	int lc;
+	char *msg;
+	int rval, fd;
+	struct linux_dirent64 dir64;
+	struct linux_dirent dir;
+
+	msg = parse_opts(ac, av, options, &help);
+	if (msg != NULL)
+		tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
+
+	setup();
+
+	for (lc = 0; TEST_LOOPING(lc); lc++) {
+		tst_count = 0;
+
+		SAFE_MKDIR(cleanup, TEST_DIR, DIR_MODE);
+
+		fd = SAFE_OPEN(cleanup, TEST_DIR, O_DIRECTORY);
+		if (rmdir(TEST_DIR) == -1) {
+			tst_brkm(TBROK | TERRNO, cleanup,
+				 "rmdir(%s) failed", TEST_DIR);
+		}
+
+		if (longsyscall)
+			rval = getdents64(fd, &dir64, sizeof(dir64));
+		else
+			rval = getdents(fd, &dir, sizeof(dir));
+
+		if (rval < 0) {
+			TEST_ERROR_LOG(errno);
+
+			switch (errno) {
+			case ENOENT:
+				tst_resm(TPASS, "getdents failed as "
+					 "expected with ENOENT");
+			break;
+			case ENOSYS:
+				tst_resm(TCONF, "syscall not implemented");
+			break;
+			default:
+				tst_resm(TFAIL | TERRNO,
+					 "getdents failed unexpectedly");
+			break;
+			}
+		} else {
+			tst_resm(TFAIL, "getdents call succeeded unexpectedly");
+		}
+
+		SAFE_CLOSE(cleanup, fd);
+	}
+
+	cleanup();
+	tst_exit();
+}
+
+static void setup(void)
+{
+	tst_sig(NOFORK, DEF_HANDLER, cleanup);
+
+	tst_tmpdir();
+
+	TEST_EXP_ENOS(exp_enos);

create a new case to test ENOENT error value for getdents(2)

Signed-off-by Xiaoguang Wang <[email protected]>