src/include/gpxe/uuid.h

   1 #ifndef _GPXE_UUID_H
   2 #define _GPXE_UUID_H
   3
   4 /** @file
   5  *
   6  * Universally unique IDs
   7  */
   8
   9 FILE_LICENCE ( GPL2_OR_LATER );
  10
  11 #include <stdint.h>
  12
  13 /** A universally unique ID */
  14 union uuid {
  15         /** Canonical form (00000000-0000-0000-0000-000000000000) */
  16         struct {
  17                 /** 8 hex digits, big-endian */
  18                 uint32_t a;
  19                 /** 2 hex digits, big-endian */
  20                 uint16_t b;
  21                 /** 2 hex digits, big-endian */
  22                 uint16_t c;
  23                 /** 2 hex digits, big-endian */
  24                 uint16_t d;
  25                 /** 12 hex digits, big-endian */
  26                 uint8_t e[6];
  27         } canonical;
  28         uint8_t raw[16];
  29 };
  30
  31 extern char * uuid_ntoa ( union uuid *uuid );
  32
  33 #endif /* _GPXE_UUID_H */