src/gallium/state_trackers/nine/nine_pdata.h

   1
   2 #ifndef _NINE_PDATA_H_
   3 #define _NINE_PDATA_H_
   4
   5 struct pheader
   6 {
   7     boolean unknown;
   8     GUID guid;
   9     DWORD size;
  10     char data[1];
  11 };
  12
  13 static int
  14 ht_guid_compare( void *a,
  15                  void *b )
  16 {
  17     return GUID_equal(a, b) ? 0 : 1;
  18 }
  19
  20 static unsigned
  21 ht_guid_hash( void *key )
  22 {
  23     unsigned i, hash = 0;
  24     const unsigned char *str = key;
  25
  26     for (i = 0; i < sizeof(GUID); i++) {
  27         hash = (unsigned)(str[i]) + (hash << 6) + (hash << 16) - hash;
  28     }
  29
  30     return hash;
  31 }
  32
  33 static enum pipe_error
  34 ht_guid_delete( void *key,
  35                 void *value,
  36                 void *data )
  37 {
  38     struct pheader *header = value;
  39
  40     if (header->unknown) { IUnknown_Release(*(IUnknown **)header->data); }
  41     FREE(header);
  42
  43     return PIPE_OK;
  44 }
  45
  46 #endif /* _NINE_PDATA_H_ */