From c43795c6648546eecf92e22150b7e478e63e1a31 Mon Sep 17 00:00:00 2001
From: ksss <co000ri@gmail.com>
Date: Sun, 21 May 2017 16:58:57 +0900
Subject: Should raise SyscallError on IO#syswrite

instead of IOError
---
 mrblib/io.rb | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

(limited to 'mrblib')

diff --git a/mrblib/io.rb b/mrblib/io.rb
index 08f9180dd..694fdb0c9 100644
--- a/mrblib/io.rb
+++ b/mrblib/io.rb
@@ -123,14 +123,9 @@ class IO
   def write(string)
     str = string.is_a?(String) ? string : string.to_s
     return str.size unless str.size > 0
-
     len = syswrite(str)
-    if len != -1
-      @pos += len
-      return len
-    end
-
-    raise IOError
+    @pos += len
+    len
   end
 
   def <<(str)
-- 
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