syscalls/fstat{01,02}: rewrote testcases

testcases/kernel/syscalls/fstat/fstat03.c +1 -3

+static void sighandler(int sig LTP_ATTRIBUTE_UNUSED)
 {
-	struct stat stat_buf;	/* stat structure buffer */
-	int lc;
-

testcases/kernel/syscalls/fstat/fstat03.c +25 -53

-	for (lc = 0; TEST_LOOPING(lc); lc++) {
+static void check_fstat(unsigned int tc_num)
+{
+	struct tcase *tc = &tcases[tc_num];
 
-		tst_count = 0;
-		/*
-		 * Call fstat(2) to get the status information
-		 * of a closed testfile pointed to by 'fd'.
-		 * verify that fstat fails with -1 return value and
-		 * sets appropriate errno.
-		 */
-		TEST(fstat(fildes, &stat_buf));
+	if (tc_num == 1)
+		signal(SIGSEGV, &sighandler);
 
-		/* Check return code from fstat(2) */
-		if (TEST_RETURN == -1) {
-			if (TEST_ERRNO == EBADF) {
-				tst_resm(TPASS,
-					 "fstat() fails with expected error EBADF");
-			} else {
-				tst_resm(TFAIL | TTERRNO,
-					 "fstat() did not fail with EBADF");
-			}
+	TEST(fstat(*tc->fd, tc->stat_buf));
+	if (TST_RET == -1) {
+		if (tc->exp_err == TST_ERR) {
+			tst_res(TPASS,
+				 "fstat() fails with expected error %s",
+				 tst_strerrno(tc->exp_err));
 		} else {
-			tst_resm(TFAIL, "fstat() returned %ld, expected -1",
-				 TEST_RETURN);
+			tst_res(TFAIL | TTERRNO,
+				 "fstat() did not fail with %s, but with",
+				 tst_strerrno(tc->exp_err));
 		}
+	} else {
+		tst_res(TFAIL, "fstat() returned %ld, expected -1",
+			 TST_RET);
 	}
-
-	/*
-	 * Invoke cleanup() to delete the test directory/file(s) created
-	 * in the setup().
-	 */
-	cleanup();
-
-	tst_exit();
 }
 
-/*
- * void
- * setup(void) - performs all ONE TIME setup for this test.
- *	Exit the test program on receipt of unexpected signals.
- *	Create a temporary directory and change directory to it.
- *      Create a testfile under temporary directory.
- *      Close the testfile.
- */
-void setup(void)
+static void run(unsigned int tc_num)
 {
-	/* Capture unexpected signals */
-	tst_sig(NOFORK, DEF_HANDLER, cleanup);
-
-	TEST_PAUSE;
-
-	/* Make a temp dir and cd to it */
-	tst_tmpdir();
+	pid_t pid;
 
-	/* Create a testfile under temporary directory */
-	fildes = SAFE_OPEN(cleanup, TEST_FILE, O_RDWR | O_CREAT, 0666);
-
-	SAFE_CLOSE(cleanup, fildes);
+	pid = SAFE_FORK();
+	if (pid == 0) {
+		check_fstat(tc_num);
+		return;
+	}
+	tst_reap_children();
 }
 
-/*
- * void
- * cleanup() - Performs all ONE TIME cleanup for this test at
- *             completion or premature exit.
- *	Print test timing stats and errno log if test executed with options.

testcases/kernel/syscalls/fstat/fstat03.c +2 -2

+	fd_ok = SAFE_OPEN(TESTFILE, O_RDWR | O_CREAT, 0644);
+}
 
-	tst_rmdir();
-