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git.ipfire.org Git - thirdparty/systemd.git/blob - src/libsystemd/sd-id128/id128-util.h
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 int id128_write(const char *p
, Id128Format f
, sd_id128_t id
, bool do_sync
);
37 void id128_hash_func(const void *p
, struct siphash
*state
);
38 int id128_compare_func(const void *a
, const void *b
) _pure_
;
39 extern const struct hash_ops id128_hash_ops
;