| /* |
| * Copyright (c) 2014 Fujitsu Ltd. |
| * Author: Xing Gu <gux.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) tee() returns -1 and sets errno to EINVAL if fd_in does |
| * not refer to a pipe. |
| * 2) tee() returns -1 and sets errno to EINVAL if fd_out does |
| * not refer to a pipe. |
| * 3) tee() returns -1 and sets errno to EINVAL if fd_in and |
| * fd_out refer to the same pipe. |
| */ |
| |
| #define _GNU_SOURCE |
| |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| |
| #include "test.h" |
| #include "safe_macros.h" |
| #include "lapi/tee.h" |
| |
| #define TEST_FILE "testfile" |
| |
| #define STR "abcdefghigklmnopqrstuvwxyz" |
| #define TEE_TEST_LEN 10 |
| |
| static int fd; |
| static int pipes[2]; |
| |
| static struct test_case_t { |
| int *fdin; |
| int *fdout; |
| int exp_errno; |
| } test_cases[] = { |
| { &fd, &pipes[1], EINVAL }, |
| { &pipes[0], &fd, EINVAL }, |
| { &pipes[0], &pipes[1], EINVAL }, |
| }; |
| |
| static void setup(void); |
| static void cleanup(void); |
| static void tee_verify(const struct test_case_t *); |
| |
| char *TCID = "tee02"; |
| int TST_TOTAL = ARRAY_SIZE(test_cases); |
| |
| int main(int ac, char **av) |
| { |
| int i, lc; |
| 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++) |
| tee_verify(&test_cases[i]); |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void setup(void) |
| { |
| if ((tst_kvercmp(2, 6, 17)) < 0) { |
| tst_brkm(TCONF, cleanup, "This test can only run on kernels " |
| "that are 2.6.17 or higher"); |
| } |
| |
| TEST_PAUSE; |
| |
| tst_sig(FORK, DEF_HANDLER, cleanup); |
| |
| tst_tmpdir(); |
| |
| fd = SAFE_OPEN(cleanup, TEST_FILE, O_RDWR | O_CREAT); |
| |
| SAFE_PIPE(cleanup, pipes); |
| SAFE_WRITE(cleanup, 1, pipes[1], STR, sizeof(STR) - 1); |
| } |
| |
| static void tee_verify(const struct test_case_t *tc) |
| { |
| TEST(tee(*(tc->fdin), *(tc->fdout), TEE_TEST_LEN, 0)); |
| |
| if (TEST_RETURN != -1) { |
| tst_resm(TFAIL, "tee() returned %ld, " |
| "expected -1, errno:%d", TEST_RETURN, |
| tc->exp_errno); |
| return; |
| } |
| |
| if (TEST_ERRNO == tc->exp_errno) { |
| tst_resm(TPASS | TTERRNO, "tee() failed as expected"); |
| } else { |
| tst_resm(TFAIL | TTERRNO, |
| "tee() failed unexpectedly; expected: %d - %s", |
| tc->exp_errno, strerror(tc->exp_errno)); |
| } |
| } |
| |
| static void cleanup(void) |
| { |
| if (fd && close(fd) < 0) |
| tst_resm(TWARN | TERRNO, "close fd failed"); |
| |
| if (pipes[0] && close(pipes[0]) < 0) |
| tst_resm(TWARN | TERRNO, "close pipes[0] failed"); |
| |
| if (pipes[1] && close(pipes[1]) < 0) |
| tst_resm(TWARN | TERRNO, "close pipes[1] failed"); |
| |
| tst_rmdir(); |
| } |