| /* |
| * Copyright (c) 2013 Fujitsu Ltd. |
| * Author: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com> |
| * |
| * 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. |
| */ |
| |
| /* |
| * Description: |
| * Verify that, |
| * 1. dup3() fails with -1 return value and sets errno to EINVAL |
| * if flags contain an invalid value or oldfd was equal to newfd. |
| */ |
| |
| #define _GNU_SOURCE |
| |
| #include <stdio.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <string.h> |
| #include <signal.h> |
| #include <sys/types.h> |
| |
| #include "test.h" |
| #include "usctest.h" |
| #include "safe_macros.h" |
| #include "lapi/fcntl.h" |
| #include "linux_syscall_numbers.h" |
| |
| |
| static void setup(void); |
| static void cleanup(void); |
| |
| #define INVALID_FLAG -1 |
| |
| static int old_fd; |
| static int new_fd; |
| |
| static struct test_case_t { |
| int *oldfd; |
| int *newfd; |
| int flags; |
| int exp_errno; |
| } test_cases[] = { |
| {&old_fd, &old_fd, O_CLOEXEC, EINVAL}, |
| {&old_fd, &old_fd, 0, EINVAL}, |
| {&old_fd, &new_fd, INVALID_FLAG, EINVAL} |
| }; |
| |
| char *TCID = "dup3_02"; |
| int TST_TOTAL = ARRAY_SIZE(test_cases); |
| |
| int main(int ac, char **av) |
| { |
| int lc; |
| int i; |
| const char *msg; |
| |
| msg = parse_opts(ac, av, NULL, NULL); |
| if (msg != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| tst_count = 0; |
| |
| for (i = 0; i < TST_TOTAL; i++) { |
| TEST(ltp_syscall(__NR_dup3, *(test_cases[i].oldfd), |
| *(test_cases[i].newfd), test_cases[i].flags)); |
| |
| if (TEST_RETURN != -1) { |
| tst_resm(TFAIL, "dup3 succeeded unexpectedly"); |
| continue; |
| } |
| |
| if (TEST_ERRNO == test_cases[i].exp_errno) { |
| tst_resm(TPASS | TTERRNO, |
| "dup3 failed as expected"); |
| } else { |
| tst_resm(TFAIL | TTERRNO, |
| "dup3 failed unexpectedly; expected:" |
| "%d - %s", test_cases[i].exp_errno, |
| strerror(test_cases[i].exp_errno)); |
| } |
| } |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void setup(void) |
| { |
| tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| |
| tst_tmpdir(); |
| |
| TEST_PAUSE; |
| |
| old_fd = SAFE_CREAT(cleanup, "testeinval.file", 0644); |
| new_fd = -1; |
| } |
| |
| static void cleanup(void) |
| { |
| if (old_fd > 0) |
| SAFE_CLOSE(NULL, old_fd); |
| |
| tst_rmdir(); |
| } |