added the mimimum size check for an externally allocated zone to xma

2020-11-28 15:28:14 +00:00
parent 3a5a268bd7
commit 35829a524b
1 changed files with 6 additions and 0 deletions
--- a/hawk/lib/xma.c
+++ b/hawk/lib/xma.c
@ -232,6 +232,12 @@ int hawk_xma_init (hawk_xma_t* xma, hawk_mmgr_t* mmgr, void* zoneptr, hawk_oow_t

 		internal = 1;
 	}
+	else if (zonesize < FBLKMINSIZE) 
+	{
+		/* the zone size is too small for an externally allocated zone. */
+/* TODO: difference error code from memory allocation failure.. this is not really memory shortage */
+		return -1;
+	}

 	first = (hawk_xma_fblk_t*)zoneptr;