From 89c2ab70a44914663d1d1e3b4f0579f30cbdb4b7 Mon Sep 17 00:00:00 2001
From: yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 1 Jan 2009 06:42:23 +0000
Subject: merges r21209 from trunk into ruby_1_9_1. * io.c (copy_stream_body):
 don't check to_io because   Zlib::GzipWriter#to_io returns the underlying IO.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@21229 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'io.c')

diff --git a/io.c b/io.c
index 7aeeeb8f1d..88f1c51e52 100644
--- a/io.c
+++ b/io.c
@@ -7653,13 +7653,12 @@ copy_stream_body(VALUE arg)
 
     if (stp->src == argf ||
         !(TYPE(stp->src) == T_FILE ||
-          rb_respond_to(stp->src, rb_intern("to_io")) ||
           TYPE(stp->src) == T_STRING ||
           rb_respond_to(stp->src, rb_intern("to_path")))) {
         src_fd = -1;
     }
     else {
-        src_io = rb_check_convert_type(stp->src, T_FILE, "IO", "to_io");
+        src_io = TYPE(stp->src) == T_FILE ? stp->src : Qnil;
         if (NIL_P(src_io)) {
             VALUE args[2];
             int oflags = O_RDONLY;
@@ -7681,13 +7680,12 @@ copy_stream_body(VALUE arg)
 
     if (stp->dst == argf ||
         !(TYPE(stp->dst) == T_FILE ||
-          rb_respond_to(stp->dst, rb_intern("to_io")) ||
           TYPE(stp->dst) == T_STRING ||
           rb_respond_to(stp->dst, rb_intern("to_path")))) {
         dst_fd = -1;
     }
     else {
-        dst_io = rb_check_convert_type(stp->dst, T_FILE, "IO", "to_io");
+        dst_io = TYPE(stp->dst) == T_FILE ? stp->dst : Qnil;
         if (NIL_P(dst_io)) {
             VALUE args[3];
             int oflags = O_WRONLY|O_CREAT|O_TRUNC;
-- 
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