* 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/branches/ruby_1_8@12180 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 9 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 48b17c9644..0a3b031c48 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 16:34:08 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* parse.y (parser_yylex): should set command_start after block
diff --git a/ext/stringio/stringio.c b/ext/stringio/stringio.c
index a64aaf837c..1ae1172be2 100644
--- a/ext/stringio/stringio.c
+++ b/ext/stringio/stringio.c
@@ -645,6 +645,9 @@ strio_seek(argc, argv, 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;
@@ -655,7 +658,7 @@ strio_seek(argc, argv, self)
 	offset += RSTRING(ptr->string)->len;
 	break;
       default:
-	rb_raise(rb_eArgError, "invalid whence %ld", NUM2LONG(whence));
+	error_inval("invalid whence");
     }
     if (offset < 0) {
 	error_inval(0);