From 8102ccb7983caf9ef09d16c3de8342eacf5ca03e Mon Sep 17 00:00:00 2001
From: Sjoerd Simons <address@hidden>
Date: Mon, 25 Jul 2011 17:54:32 +0100
Subject: [PATCH] writev_emu: stop on the first incomplete write

Just like standard writev, we should only move on to the next block if
all the previous ones have been successfully written out. Otherwise
there is a potential for data loss and/or confusing push functions.
---
 lib/gnutls_buffers.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/lib/gnutls_buffers.c b/lib/gnutls_buffers.c
index 48f1c8e..0c48d26 100644
--- a/lib/gnutls_buffers.c
+++ b/lib/gnutls_buffers.c
@@ -393,6 +393,9 @@ _gnutls_writev_emu (gnutls_session_t session, const giovec_t * giovec,
         break;
 
       total += ret;
+
+      if (ret != giovec[j].iov_len)
+        break;
     }
 
   if (total > 0)
-- 
1.7.5.4