3 files changed, 9 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index d98e7b1f30..acd320d694 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sun Jun 15 22:42:54 2008  Yukihiro Matsumoto  <[email protected]>
+
+	* ext/zlib/zlib.c (gzreader_gets): may cause infinite loop.
+	  a patch from Kouya <kouyataifu4 at gmail.com> in
+	  [ruby-reference-manual:762].
+
 Sun Jun 15 22:34:09 2008  James Edward Gray II  <[email protected]>
 
 	Merged 16241 from trunk.
diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index 8caadaeddc..1b89553772 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -3111,6 +3111,8 @@ gzreader_gets(argc, argv, obj)
     if (NIL_P(rs)) {
 	dst = gzfile_read_all(gz);
 	if (RSTRING(dst)->len != 0) gz->lineno++;
+	else
+		return Qnil;
 	return dst;
     }
 
diff --git a/version.h b/version.h
index 3709ea51f2..aab17a1f86 100644
--- a/version.h
+++ b/version.h
@@ -2,7 +2,7 @@
 #define RUBY_RELEASE_DATE "2008-06-15"
 #define RUBY_VERSION_CODE 186
 #define RUBY_RELEASE_CODE 20080615
-#define RUBY_PATCHLEVEL 202
+#define RUBY_PATCHLEVEL 203
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8