merges r22902 from trunk into ruby_1_9_1.

--
* io.c (copy_stream_fallback_body): off_t may be larger than long.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@23185 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/io.c b/io.c
index e3b6281562..a043573a69 100644
--- a/io.c
+++ b/io.c
@@ -7616,7 +7616,7 @@ copy_stream_fallback_body(VALUE arg)
     const int buflen = 16*1024;
     VALUE n;
     VALUE buf = rb_str_buf_new(buflen);
-    long rest = stp->copy_length;
+    off_t rest = stp->copy_length;
     off_t off = stp->src_offset;
     ID read_method = id_readpartial;
 
@@ -7635,7 +7635,7 @@ copy_stream_fallback_body(VALUE arg)
         else {
             if (rest == 0)
                 break;
-            l = buflen < rest ? buflen : rest;
+            l = buflen < rest ? buflen : (long)rest;
         }
         if (stp->src_fd == -1) {
             rb_funcall(stp->src, read_method, 2, INT2FIX(l), buf);