From b41732ada728a238b90f20f4fca6ddf89550b1aa Mon Sep 17 00:00:00 2001
From: Luis Angel Curiel Sanz <luisan@tid.es>
Date: Fri, 19 Apr 2013 08:39:59 +0200
Subject: [PATCH] Fixed bug on sock_read. It returns 0 when an error reading
 occurs, and this situation was not being controlled.

---
 src/tls_schannel.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/tls_schannel.c b/src/tls_schannel.c
index c1db394..0c49350 100644
--- a/src/tls_schannel.c
+++ b/src/tls_schannel.c
@@ -454,6 +454,12 @@ int tls_read(tls_t *tls, void * const buff, const size_t len)
     /* next, top up our recv buffer */
     bytes = sock_read(tls->sock, tls->recvbuffer + tls->recvbufferpos,
 		      tls->recvbuffermaxlen - tls->recvbufferpos);
+			  
+	if (bytes == 0)
+	{
+		tls->lasterror = WSAETIMEDOUT;
+		return -1;
+	}				  
 
     if (bytes == -1) {
 	if (!tls_is_recoverable(sock_error())) {