From c139bb0f08499103b1cedab87403c5590e9b82cc Mon Sep 17 00:00:00 2001
From: Yuichi Nishiwaki <yuichi.nishiwaki@gmail.com>
Date: Mon, 10 Aug 2015 21:17:26 +0900
Subject: [PATCH] simplify pic_default_alloc impl

---
 extlib/benz/gc.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/extlib/benz/gc.c b/extlib/benz/gc.c
index 913cf817..c2345ace 100644
--- a/extlib/benz/gc.c
+++ b/extlib/benz/gc.c
@@ -83,17 +83,11 @@ pic_heap_close(pic_state *pic, struct pic_heap *heap)
 void *
 pic_default_allocf(void PIC_UNUSED(*userdata), void *ptr, size_t size)
 {
-  if (size == 0) {
-    if (ptr) {
-      free(ptr);
-    }
-    return NULL;
-  }
-  if (ptr) {
+  if (size != 0) {
     return realloc(ptr, size);
-  } else {
-    return malloc(size);
   }
+  free(ptr);
+  return NULL;
 }
 #endif