From ffa31c264500817f1579be5c6b2d9b943b3b9cf4 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 16 Apr 2007 07:48:50 +0000
Subject: [PATCH] * ext/stringio/stringio.c (strio_seek): consistent behavior
 with   IO#seek.  patch by sheepman in [ruby-dev:30710].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12180 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog               | 5 +++++
 ext/stringio/stringio.c | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 316280d46f..e1efea1afb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Apr 16 16:49:32 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/stringio/stringio.c (strio_seek): consistent behavior with
+	  IO#seek.  patch by sheepman in [ruby-dev:30710].
+
 Mon Apr 16 10:51:37 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* enum.c (enum_each_with_index): each_with_index to forward
diff --git a/ext/stringio/stringio.c b/ext/stringio/stringio.c
index 969d007f8b..658d923dd6 100644
--- a/ext/stringio/stringio.c
+++ b/ext/stringio/stringio.c
@@ -597,6 +597,9 @@ strio_seek(int argc, VALUE *argv, VALUE self)
 
     rb_scan_args(argc, argv, "11", NULL, &whence);
     offset = NUM2LONG(argv[0]);
+    if (CLOSED(ptr)) {
+	rb_raise(rb_eIOError, "closed stream");
+    }
     switch (NIL_P(whence) ? 0 : NUM2LONG(whence)) {
       case 0:
 	break;
@@ -607,7 +610,7 @@ strio_seek(int argc, VALUE *argv, VALUE self)
 	offset += RSTRING_LEN(ptr->string);
 	break;
       default:
-	rb_raise(rb_eArgError, "invalid whence %ld", NUM2LONG(whence));
+	error_inval("invalid whence");
     }
     if (offset < 0) {
 	error_inval(0);