src/include/uuid.h

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2010, Intel Corp. Huang Ying <ying.huang@intel.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef _UUID_H_
  17 #define _UUID_H_
  18
  19 #include <string.h>
  20
  21 typedef struct {
  22         uint8_t b[16];
  23 } __packed guid_t;
  24
  25 #define GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)              \
  26 ((guid_t)                                                               \
  27 {{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
  28    (b) & 0xff, ((b) >> 8) & 0xff,                                       \
  29    (c) & 0xff, ((c) >> 8) & 0xff,                                       \
  30    (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) } })
  31
  32 static inline int guidcmp(const guid_t *guid1, const guid_t *guid2)
  33 {
  34         return memcmp(guid1, guid2, sizeof(guid_t));
  35 }
  36
  37 static inline guid_t *guidcpy(guid_t *dest, const guid_t *src)
  38 {
  39         return (guid_t *)memcpy(dest, src, sizeof(guid_t));
  40 }
  41
  42 #endif /* _UUID_H_ */