From d8e1939232b5f12ae79aca0975ef222008f4454b Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 18 Nov 2015 01:37:34 +0000
Subject: * ext/socket/ancdata.c (bsock_recvmsg_internal): stretch the buffer
 size   when EMSGSIZE occurs on non HAVE_STRUCT_MSGHDR_MSG_CONTROL platforms  
 (such as, Windows).  fixes a test error revealed by r52625.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52631 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/socket/ancdata.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'ext/socket/ancdata.c')

diff --git a/ext/socket/ancdata.c b/ext/socket/ancdata.c
index 9d28573fde..1a6b50958c 100644
--- a/ext/socket/ancdata.c
+++ b/ext/socket/ancdata.c
@@ -1570,6 +1570,10 @@ bsock_recvmsg_internal(VALUE sock,
             gc_done = 1;
 	    goto retry;
         }
+#else
+	if (grow_buffer && errno == EMSGSIZE)
+	    ss = (ssize_t)iov.iov_len;
+	else
 #endif
 	rb_sys_fail("recvmsg(2)");
     }
-- 
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