From f5e3ac8167abd20db9f19c8f8794d9c68596e284 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Thu, 5 Nov 2009 17:00:20 +0000
Subject: Solved incorrect behaviour of writev in case the first send succeeded
 and the second returned with an error.

---
 libxcb/src/xcb_conn.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libxcb/src/xcb_conn.c b/libxcb/src/xcb_conn.c
index 4a8f63bcf..0b080d4d4 100644
--- a/libxcb/src/xcb_conn.c
+++ b/libxcb/src/xcb_conn.c
@@ -78,8 +78,10 @@ size_t writev(int fildes, const struct iovec *iov, int iovcnt)
         errno =WSAGetLastError();
         if(errno == WSAEWOULDBLOCK)
           errno = EAGAIN;
-        assert(sum == 0);
-        return r;
+        if (sum)
+          return sum;
+        else
+          return r;
       }
       p += r;
       l -= r;
-- 
cgit v1.2.3