119 lines
2.5 KiB
C
119 lines
2.5 KiB
C
/*
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* Copyright (c) 2013 Fujitsu Ltd.
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* Author: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* Description:
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* Verify that,
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* 1. dup3() fails with -1 return value and sets errno to EINVAL
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* if flags contain an invalid value or oldfd was equal to newfd.
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include <signal.h>
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#include <sys/types.h>
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#include "test.h"
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#include "safe_macros.h"
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#include "lapi/fcntl.h"
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#include "lapi/syscalls.h"
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static void setup(void);
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static void cleanup(void);
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#define INVALID_FLAG -1
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static int old_fd;
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static int new_fd;
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static struct test_case_t {
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int *oldfd;
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int *newfd;
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int flags;
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int exp_errno;
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} test_cases[] = {
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{&old_fd, &old_fd, O_CLOEXEC, EINVAL},
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{&old_fd, &old_fd, 0, EINVAL},
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{&old_fd, &new_fd, INVALID_FLAG, EINVAL}
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};
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char *TCID = "dup3_02";
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int TST_TOTAL = ARRAY_SIZE(test_cases);
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int main(int ac, char **av)
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{
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int lc;
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int i;
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tst_parse_opts(ac, av, NULL, NULL);
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setup();
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for (lc = 0; TEST_LOOPING(lc); lc++) {
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tst_count = 0;
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for (i = 0; i < TST_TOTAL; i++) {
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TEST(ltp_syscall(__NR_dup3, *(test_cases[i].oldfd),
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*(test_cases[i].newfd), test_cases[i].flags));
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if (TEST_RETURN != -1) {
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tst_resm(TFAIL, "dup3 succeeded unexpectedly");
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continue;
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}
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if (TEST_ERRNO == test_cases[i].exp_errno) {
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tst_resm(TPASS | TTERRNO,
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"dup3 failed as expected");
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} else {
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tst_resm(TFAIL | TTERRNO,
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"dup3 failed unexpectedly; expected:"
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"%d - %s", test_cases[i].exp_errno,
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strerror(test_cases[i].exp_errno));
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}
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}
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}
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cleanup();
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tst_exit();
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}
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static void setup(void)
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{
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tst_sig(NOFORK, DEF_HANDLER, cleanup);
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tst_tmpdir();
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TEST_PAUSE;
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old_fd = SAFE_CREAT(cleanup, "testeinval.file", 0644);
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new_fd = -1;
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}
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static void cleanup(void)
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{
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if (old_fd > 0)
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SAFE_CLOSE(NULL, old_fd);
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tst_rmdir();
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}
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