scripts

commit 829aa28bdfe35b3c0357fd13164bfd1868298d7a
parent b8a54a3191397d05409e02952cb565224a7074b9
Author: sin <sin@2f30.org>
Date:   Thu,  1 Aug 2013 15:14:50 +0100

Re-use allocated space if we were asked to shrink it

Diffstat:
M
random/rballoc.c
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/random/rballoc.c b/random/rballoc.c
@@ -149,6 +149,10 @@ realloc(void *oldp, size_t siz)
 	 * at address `oldp' */
 	res = RB_FIND(alloc_tree, &at, &n);
 	if (res) {
+		/* If we were asked to shrink the allocated space
+		 * just re-use it */
+		if (res->siz >= siz)
+			return res->buf;
 		p = malloc(siz);
 		if (!p)
 			return NULL;