From b4a4e3c09abf2e9f790d465539b63e9aa82baa05 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Wed, 31 May 2017 23:02:59 +0900
Subject: Simplify the logic in `mrb_realloc`; ref #3679

---
 src/gc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/gc.c b/src/gc.c
index 76687dad0..01bf2fd32 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -215,7 +215,8 @@ mrb_realloc(mrb_state *mrb, void *p, size_t len)
   void *p2;
 
   p2 = mrb_realloc_simple(mrb, p, len);
-  if (!p2 && len) {
+  if (len == 0) return p2;
+  if (p2 == NULL) {
     if (mrb->gc.out_of_memory) {
       mrb_exc_raise(mrb, mrb_obj_value(mrb->nomem_err));
       /* mrb_panic(mrb); */
-- 
cgit v1.2.3