/* validate redzone... */
if (memcmp(((char *) ptr) + cache->bufsize - (2 * sizeof(redzone_pattern)), &redzone_pattern,
sizeof(redzone_pattern))
/* validate redzone... */
if (memcmp(((char *) ptr) + cache->bufsize - (2 * sizeof(redzone_pattern)), &redzone_pattern,
sizeof(redzone_pattern))