rte_uuid.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright (C) 1996, 1997, 1998 Theodore Ts'o.
 */
#ifndef _RTE_UUID_H_
#define _RTE_UUID_H_

#include <stdbool.h>
#include <stddef.h>
#include <string.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef unsigned char rte_uuid_t[16];

#define RTE_UUID_INIT(a, b, c, d, e) {      \
    ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, \
    ((a) >> 8) & 0xff, (a) & 0xff,      \
    ((b) >> 8) & 0xff, (b) & 0xff,      \
    ((c) >> 8) & 0xff, (c) & 0xff,      \
    ((d) >> 8) & 0xff, (d) & 0xff,      \
    ((e) >> 40) & 0xff, ((e) >> 32) & 0xff, \
    ((e) >> 24) & 0xff, ((e) >> 16) & 0xff, \
    ((e) >> 8) & 0xff, (e) & 0xff       \
}

#define RTE_UUID_STRLEN (36 + 1)

bool rte_uuid_is_null(const rte_uuid_t uu);

static inline void rte_uuid_copy(rte_uuid_t dst, const rte_uuid_t src)
{
    memcpy(dst, src, sizeof(rte_uuid_t));
}

int rte_uuid_compare(const rte_uuid_t a, const rte_uuid_t b);

int rte_uuid_parse(const char *in, rte_uuid_t uu);

void    rte_uuid_unparse(const rte_uuid_t uu, char *out, size_t len);

#ifdef __cplusplus
}
#endif

#endif /* RTE_UUID_H */