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/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
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 <unistd.h>
#include "alloc-util.h"
#include "fileio.h"
#include "fd-util.h"
#include "fs-util.h"
#include "macro.h"
#include "mkdir.h"
#include "rm-rf.h"
#include "string-util.h"
#include "strv.h"
#include "util.h"
static void test_unlink_noerrno(void) {
char name[] = "/tmp/test-close_nointr.XXXXXX";
int fd;
fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
assert_se(close_nointr(fd) >= 0);
{
PROTECT_ERRNO;
errno = -42;
assert_se(unlink_noerrno(name) >= 0);
assert_se(errno == -42);
assert_se(unlink_noerrno(name) < 0);
assert_se(errno == -42);
}
}
static void test_readlink_and_make_absolute(void) {
char tempdir[] = "/tmp/test-readlink_and_make_absolute";
char name[] = "/tmp/test-readlink_and_make_absolute/original";
char name2[] = "test-readlink_and_make_absolute/original";
char name_alias[] = "/tmp/test-readlink_and_make_absolute-alias";
char *r = NULL;
assert_se(mkdir_safe(tempdir, 0755, getuid(), getgid()) >= 0);
assert_se(touch(name) >= 0);
assert_se(symlink(name, name_alias) >= 0);
assert_se(readlink_and_make_absolute(name_alias, &r) >= 0);
assert_se(streq(r, name));
free(r);
assert_se(unlink(name_alias) >= 0);
assert_se(chdir(tempdir) >= 0);
assert_se(symlink(name2, name_alias) >= 0);
assert_se(readlink_and_make_absolute(name_alias, &r) >= 0);
assert_se(streq(r, name));
free(r);
assert_se(unlink(name_alias) >= 0);
assert_se(rm_rf(tempdir, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
}
static void test_get_files_in_directory(void) {
_cleanup_strv_free_ char **l = NULL, **t = NULL;
assert_se(get_files_in_directory("/tmp", &l) >= 0);
assert_se(get_files_in_directory(".", &t) >= 0);
assert_se(get_files_in_directory(".", NULL) >= 0);
}
static void test_var_tmp(void) {
char *tmp_dir = NULL;
char *tmpdir_backup = NULL;
const char *default_var_tmp = NULL;
const char *var_name;
bool do_overwrite = true;
default_var_tmp = "/var/tmp";
var_name = "TMPDIR";
if (getenv(var_name) != NULL) {
tmpdir_backup = strdup(getenv(var_name));
assert_se(tmpdir_backup != NULL);
}
unsetenv(var_name);
var_tmp(&tmp_dir);
assert_se(!strcmp(tmp_dir, default_var_tmp));
free(tmp_dir);
setenv(var_name, "/tmp", do_overwrite);
assert_se(!strcmp(getenv(var_name), "/tmp"));
var_tmp(&tmp_dir);
assert_se(!strcmp(tmp_dir, "/tmp"));
free(tmp_dir);
setenv(var_name, "/88_does_not_exist_88", do_overwrite);
assert_se(!strcmp(getenv(var_name), "/88_does_not_exist_88"));
var_tmp(&tmp_dir);
assert_se(!strcmp(tmp_dir, default_var_tmp));
free(tmp_dir);
if (tmpdir_backup != NULL) {
setenv(var_name, tmpdir_backup, do_overwrite);
assert_se(!strcmp(getenv(var_name), tmpdir_backup));
free(tmpdir_backup);
}
}
int main(int argc, char *argv[]) {
test_unlink_noerrno();
test_readlink_and_make_absolute();
test_get_files_in_directory();
test_var_tmp();
return 0;
}
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