From 86dfbd3c47ce88107922052280c0fb613eda6a54 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 6 May 2008 15:56:21 +0000
Subject: * ext/zlib/zlib.c (gzreader_gets): may cause infinite loop.  
 [ruby-reference-manual:762]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16304 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/zlib/zlib.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'ext/zlib')

diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index 2546daade5..47e53dceeb 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -3016,6 +3016,8 @@ gzreader_gets(int argc, VALUE *argv, VALUE obj)
     if (NIL_P(rs)) {
 	dst = gzfile_read_all(gz);
 	if (RSTRING_LEN(dst) != 0) gz->lineno++;
+	else
+	    return Qnil;
 	return dst;
     }
 
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