From 2f978ec25a49e35d5b20427ec151b9dbd3cbd165 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 24 Jun 2004 05:23:44 +0000
Subject: * io.c (rb_io_fread): return already read data when system call is  
 interrupted.  [ruby-talk:97206]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6510 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'io.c')

diff --git a/io.c b/io.c
index f066099f5d..56155e7b9c 100644
--- a/io.c
+++ b/io.c
@@ -956,12 +956,11 @@ rb_io_fread(ptr, len, f)
 #if defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN
 		  case EWOULDBLOCK:
 #endif
-		    if (len - n >= 0) {
+		    if (len > n) {
 			clearerr(f);
-			return len - n;
 		    }
 		}
-		return 0;
+		if (len == n) return 0;
 	    }
 	    *ptr = '\0';
 	    break;
-- 
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