59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2010, Intel Corp. Huang Ying <ying.huang@intel.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _UUID_H_
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#define _UUID_H_
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#include <string.h>
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#define UUID_LEN 16
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#define UUID_STRLEN 36
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/*
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* Parses a canonical UUID string into the common byte representation
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* where the first three words are interpreted as little endian:
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*
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* The UUID
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* "00112233-4455-6677-8899-aabbccddeeff"
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* is stored as
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* 33 22 11 00 55 44 77 66 88 99 aa bb cc dd ee ff
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*
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* Returns negative value on error, 0 on success.
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*/
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int parse_uuid(uint8_t *uuid, const char *uuid_str);
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typedef struct {
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uint8_t b[16];
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} __packed guid_t;
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#define GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
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((guid_t) \
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{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
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(b) & 0xff, ((b) >> 8) & 0xff, \
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(c) & 0xff, ((c) >> 8) & 0xff, \
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(d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) } })
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static inline int guidcmp(const guid_t *guid1, const guid_t *guid2)
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{
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return memcmp(guid1, guid2, sizeof(guid_t));
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}
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static inline guid_t *guidcpy(guid_t *dest, const guid_t *src)
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{
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return (guid_t *)memcpy(dest, src, sizeof(guid_t));
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}
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#endif /* _UUID_H_ */
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