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/***
This file is part of systemd.
Copyright 2014 Zbigniew Jędrzejewski-Szmek
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "alloc-util.h"
#include "fd-util.h"
#include "fileio.h"
#include "formats-util.h"
#include "fs-util.h"
#include "log.h"
#include "string-util.h"
#include "util.h"
int main(int argc, char** argv) {
const char *p = argv[1] ?: "/tmp";
char *pattern = strjoina(p, "/systemd-test-XXXXXX");
_cleanup_close_ int fd, fd2;
_cleanup_free_ char *cmd, *cmd2, *ans, *ans2;
log_set_max_level(LOG_DEBUG);
log_parse_environment();
fd = open_tmpfile(p, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
assert_se(asprintf(&cmd, "ls -l /proc/"PID_FMT"/fd/%d", getpid(), fd) > 0);
(void) system(cmd);
assert_se(readlink_malloc(cmd + 6, &ans) >= 0);
log_debug("link1: %s", ans);
assert_se(endswith(ans, " (deleted)"));
fd2 = mkostemp_safe(pattern, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
assert_se(unlink(pattern) == 0);
assert_se(asprintf(&cmd2, "ls -l /proc/"PID_FMT"/fd/%d", getpid(), fd2) > 0);
(void) system(cmd2);
assert_se(readlink_malloc(cmd2 + 6, &ans2) >= 0);
log_debug("link2: %s", ans2);
assert_se(endswith(ans2, " (deleted)"));
return 0;
}
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