From 9f98c9a9c2e6d25787e3d935f3724a31e2ea429a Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 25 Dec 2007 06:38:00 +0000
Subject: [PATCH] * io.c (appendline): initialize rslen to 1 if rsptr is 0.  
 rslen should be the length of the delimiter.   if only delim is given, it
 should be 1.   [ruby-dev:32746]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14671 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog | 7 +++++++
 io.c      | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index cb89ce57b3..037f862aec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Tue Dec 25 15:24:57 2007  Tanaka Akira  <akr@fsij.org>
+
+	* io.c (appendline): initialize rslen to 1 if rsptr is 0.
+	  rslen is the length of the delimiter.
+	  if only delim is given, it should be 1.
+	  [ruby-dev:32746]
+
 Tue Dec 25 15:21:33 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* transcode.c (transcode_dispatch): fix for multistep transcode.
diff --git a/io.c b/io.c
index 4b392b8d27..9556b98ff6 100644
--- a/io.c
+++ b/io.c
@@ -1672,6 +1672,9 @@ appendline(rb_io_t *fptr, int delim, const char *rsptr, int rslen, VALUE rs, VAL
     long limit = *lp;
     rb_encoding *enc = io_input_encoding(fptr);
 
+    if (rsptr == 0)
+      rslen = 1;
+
     do {
 	long pending = READ_DATA_PENDING_COUNT(fptr);
 	if (pending > 0) {