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