*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/storage/buffer/buf_init.c,v 1.5 1997/01/23 18:14:40 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/storage/buffer/buf_init.c,v 1.6 1997/01/25 21:01:16 momjian Exp $
*
*-------------------------------------------------------------------------
*/
int i;
/* check padding of BufferDesc and BufferHdr */
- if (sizeof(struct sbufdesc) != PADDED_SBUFDESC_SIZE)
+ /* we need both checks because a sbufdesc_padded > PADDED_SBUFDESC_SIZE
+ will shrink sbufdesc to the required size, which is bad */
+ if (sizeof(struct sbufdesc) != PADDED_SBUFDESC_SIZE ||
+ sizeof(struct sbufdesc_padded) > PADDED_SBUFDESC_SIZE)
elog(WARN,"Internal error: sbufdesc does not have the proper size, "
"contact the Postgres developers");
if (sizeof(struct sbufdesc_unpadded) <= PADDED_SBUFDESC_SIZE/2)