int path_check_fstype(const char *path, statfs_f_type_t magic_value) {
_cleanup_close_ int fd = -1;
- fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY);
+ fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_PATH);
if (fd < 0)
return -errno;
int path_is_temporary_fs(const char *path) {
_cleanup_close_ int fd = -1;
- fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY);
+ fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_PATH);
if (fd < 0)
return -errno;
***/
#include <fcntl.h>
+#include <linux/magic.h>
#include <unistd.h>
#include "alloc-util.h"
#include "fd-util.h"
#include "fileio.h"
#include "macro.h"
+#include "missing.h"
#include "stat-util.h"
static void test_files_same(void) {
assert_se(path_is_os_tree("/idontexist") == -ENOENT);
}
+static void test_path_check_fstype(void) {
+ assert_se(path_check_fstype("/run", TMPFS_MAGIC) > 0);
+ assert_se(path_check_fstype("/run", BTRFS_SUPER_MAGIC) == 0);
+ assert_se(path_check_fstype("/proc", PROC_SUPER_MAGIC) > 0);
+ assert_se(path_check_fstype("/proc", BTRFS_SUPER_MAGIC) == 0);
+ assert_se(path_check_fstype("/proc", BTRFS_SUPER_MAGIC) == 0);
+ assert_se(path_check_fstype("/i-dont-exist", BTRFS_SUPER_MAGIC) == -ENOENT);
+}
+
+static void test_path_is_temporary_fs(void) {
+ assert_se(path_is_temporary_fs("/run") > 0);
+ assert_se(path_is_temporary_fs("/proc") == 0);
+ assert_se(path_is_temporary_fs("/i-dont-exist") == -ENOENT);
+}
+
int main(int argc, char *argv[]) {
test_files_same();
test_is_symlink();
test_path_is_os_tree();
+ test_path_check_fstype();
+ test_path_is_temporary_fs();
return 0;
}