lib/uuid/unpack.c

   1 /*
   2  * Internal routine for unpacking UUID
   3  */
   4
   5 #include "uuidP.h"
   6
   7 void uuid_unpack(uuid_t in, struct uuid *uu)
   8 {
   9         __u8    *ptr = in;
  10         __u32   tmp;
  11
  12         tmp = *ptr++;
  13         tmp = (tmp << 8) | *ptr++;
  14         tmp = (tmp << 8) | *ptr++;
  15         tmp = (tmp << 8) | *ptr++;
  16         uu->time_low = tmp;
  17
  18         tmp = *ptr++;
  19         tmp = (tmp << 8) | *ptr++;
  20         uu->time_mid = tmp;
  21
  22         tmp = *ptr++;
  23         tmp = (tmp << 8) | *ptr++;
  24         uu->time_hi_and_version = tmp;
  25
  26         tmp = *ptr++;
  27         tmp = (tmp << 8) | *ptr++;
  28         uu->clock_seq = tmp;
  29
  30         memcpy(uu->node, ptr, 6);
  31 }
  32