From e4cac77252307c3311d2d799e064fb27f921b3d3 Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 15 Jun 2008 13:18:59 +0000
Subject: merge revision(s) 16143: 	* regex.c (re_search): string might be
 NULL.  [ruby-core:16478]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@17254 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 regex.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'regex.c')

diff --git a/regex.c b/regex.c
index a7a831286e..45f7e20738 100644
--- a/regex.c
+++ b/regex.c
@@ -3177,6 +3177,10 @@ re_search(bufp, string, size, startpos, range, regs)
   /* Check for out-of-range starting position.  */
   if (startpos < 0  ||  startpos > size)
     return -1;
+  if (!string) {
+    if (size == 0) string = "";
+    else return -1;
+  }
 
   /* Update the fastmap now if not correct already.  */
   if (fastmap && !bufp->fastmap_accurate) {
-- 
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