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Diffstat (limited to 'src/test/test-tmpfiles.c')
-rw-r--r-- | src/test/test-tmpfiles.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/test/test-tmpfiles.c b/src/test/test-tmpfiles.c new file mode 100644 index 0000000000..9e528e1e5e --- /dev/null +++ b/src/test/test-tmpfiles.c @@ -0,0 +1,81 @@ +/*** + 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 "systemd-basic/alloc-util.h" +#include "systemd-basic/fd-util.h" +#include "systemd-basic/fileio.h" +#include "systemd-basic/formats-util.h" +#include "systemd-basic/fs-util.h" +#include "systemd-basic/log.h" +#include "systemd-basic/string-util.h" +#include "systemd-basic/util.h" + +int main(int argc, char** argv) { + _cleanup_free_ char *cmd = NULL, *cmd2 = NULL, *ans = NULL, *ans2 = NULL, *d = NULL, *tmp = NULL, *line = NULL; + _cleanup_close_ int fd = -1, fd2 = -1; + const char *p = argv[1] ?: "/tmp"; + char *pattern; + + log_set_max_level(LOG_DEBUG); + log_parse_environment(); + + pattern = strjoina(p, "/systemd-test-XXXXXX"); + + fd = open_tmpfile_unlinkable(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); + 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)")); + + pattern = strjoina(p, "/tmpfiles-test"); + assert_se(tempfn_random(pattern, NULL, &d) >= 0); + + fd = open_tmpfile_linkable(d, O_RDWR|O_CLOEXEC, &tmp); + assert_se(fd >= 0); + assert_se(write(fd, "foobar\n", 7) == 7); + + assert_se(touch(d) >= 0); + assert_se(link_tmpfile(fd, tmp, d) == -EEXIST); + assert_se(unlink(d) >= 0); + assert_se(link_tmpfile(fd, tmp, d) >= 0); + + assert_se(read_one_line_file(d, &line) >= 0); + assert_se(streq(line, "foobar")); + assert_se(unlink(d) >= 0); + + return 0; +} |