1 /* SPDX-License-Identifier: LGPL-2.1+ */
5 This file is part of systemd.
7 Copyright 2016 Lennart Poettering
14 #include "hash-funcs.h"
17 char *id128_to_uuid_string(sd_id128_t id, char s[37]);
19 /* Like SD_ID128_FORMAT_STR, but formats as UUID, not in plain format */
20 #define ID128_UUID_FORMAT_STR "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x"
22 bool id128_is_valid(const char *s) _pure_;
24 typedef enum Id128Format {
26 ID128_PLAIN, /* formatted as 32 hex chars as-is */
27 ID128_UUID, /* formatted as 36 character uuid string */
31 int id128_read_fd(int fd, Id128Format f, sd_id128_t *ret);
32 int id128_read(const char *p, Id128Format f, sd_id128_t *ret);
34 int id128_write_fd(int fd, Id128Format f, sd_id128_t id, bool do_sync);
35 #if 0 /// UNNEEDED by elogind
36 int id128_write(const char *p, Id128Format f, sd_id128_t id, bool do_sync);
38 void id128_hash_func(const void *p, struct siphash *state);
39 int id128_compare_func(const void *a, const void *b) _pure_;
40 extern const struct hash_ops id128_hash_ops;