From 69bc004e089afd0179b9e5428731d1c1ece8c452 Mon Sep 17 00:00:00 2001
From: cremno <cremno@mail.ru>
Date: Sat, 15 Feb 2014 15:47:11 +0100
Subject: iv_size (non-seglist): return 0 if t is NULL

---
 src/variable.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/variable.c b/src/variable.c
index 3dc562a5e..957383ad2 100644
--- a/src/variable.c
+++ b/src/variable.c
@@ -369,10 +369,12 @@ iv_foreach(mrb_state *mrb, iv_tbl *t, iv_foreach_func *func, void *p)
 static size_t
 iv_size(mrb_state *mrb, iv_tbl *t)
 {
-  khash_t(iv) *h = &t->h;
+  khash_t(iv) *h;
 
-  if (!h) return 0;
-  return kh_size(h);
+  if (t && (h = &t->h)) {
+    return kh_size(h);
+  }
+  return 0;
 }
 
 static iv_tbl*
-- 
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