4 * Copyright 2016 Red Hat, Inc.
7 * Fam Zheng <famz@redhat.com>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the Free
11 * Software Foundation; either version 2 of the License, or (at your option)
19 #include "qemu-common.h"
21 /* Version 4 UUID (pseudo random numbers), RFC4122 4.4. */
25 unsigned char data
[16];
27 /* Generated in BE endian, can be swapped with qemu_uuid_bswap. */
30 uint16_t time_high_and_version
;
31 uint8_t clock_seq_and_reserved
;
32 uint8_t clock_seq_low
;
38 #define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-" \
39 "%02hhx%02hhx-%02hhx%02hhx-" \
41 "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
43 #define UUID_FMT_LEN 36
45 #define UUID_NONE "00000000-0000-0000-0000-000000000000"
47 void qemu_uuid_generate(QemuUUID
*out
);
49 int qemu_uuid_is_null(const QemuUUID
*uu
);
51 void qemu_uuid_unparse(const QemuUUID
*uuid
, char *out
);
53 char *qemu_uuid_unparse_strdup(const QemuUUID
*uuid
);
55 int qemu_uuid_parse(const char *str
, QemuUUID
*uuid
);
57 void qemu_uuid_bswap(QemuUUID
*uuid
);