+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
- This file is part of systemd.
-
Copyright 2016 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 <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include "fd-util.h"
+#include "fs-util.h"
#include "hexdecoct.h"
#include "id128-util.h"
#include "io-util.h"
for (i = 0; i < l; i++) {
char c = s[i];
- if ((i == 8 || i == 13 || i == 18 || i == 23)) {
+ if (IN_SET(i, 8, 13, 18, 23)) {
if (c != '-')
return false;
} else {
if (buffer[32] != '\n')
return -EINVAL;
- /* fall through */
+ _fallthrough_;
case 32: /* plain UUID without trailing newline */
if (f == ID128_UUID)
return -EINVAL;
if (buffer[36] != '\n')
return -EINVAL;
- /* fall through */
+ _fallthrough_;
case 36: /* RFC UUID without trailing newline */
if (f == ID128_PLAIN)
return -EINVAL;
if (do_sync) {
if (fsync(fd) < 0)
return -errno;
+
+ r = fsync_directory_of_file(fd);
+ if (r < 0)
+ return r;
}
- return r;
+ return 0;
}
+#if 0 /// UNNEEDED by elogind
int id128_write(const char *p, Id128Format f, sd_id128_t id, bool do_sync) {
_cleanup_close_ int fd = -1;
- fd = open(p, O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY, 0444);
+ fd = open(p, O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY|O_TRUNC, 0444);
if (fd < 0)
return -errno;
return id128_write_fd(fd, f, id, do_sync);
}
+
+void id128_hash_func(const void *p, struct siphash *state) {
+ siphash24_compress(p, 16, state);
+}
+
+int id128_compare_func(const void *a, const void *b) {
+ return memcmp(a, b, 16);
+}
+
+const struct hash_ops id128_hash_ops = {
+ .hash = id128_hash_func,
+ .compare = id128_compare_func,
+};
+#endif // 0