From c547e07caa66e4a42608c9c4da1cadb529a5e7ad Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Sun, 8 Feb 2009 12:09:20 +0000
Subject: [PATCH] Markus Moeller fixed a flaw in libssh2_channel_write_ex()
 that would occur on EAGAIN situations.

---
 NEWS          | 5 +++++
 src/channel.c | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/NEWS b/NEWS
index d721fba1..341a22de 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,8 @@
+
+- (Deb 8 2009)
+  Markus Moeller fixed a flaw in libssh2_channel_write_ex() that would occur
+  on EAGAIN situations.
+
 Version 1.0 ( )
 -------------------------------
 
diff --git a/src/channel.c b/src/channel.c
index 7350746b..0c7c5e2c 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -1771,6 +1771,9 @@ libssh2_channel_write_ex(LIBSSH2_CHANNEL * channel, int stream_id,
         channel->write_state = libssh2_NB_state_allocated;
     }
 
+    /* deduct the amount thet has already been sent */
+    buflen -= channel->write_bufwrote;
+
     while (buflen > 0) {
         if (channel->write_state == libssh2_NB_state_allocated) {
             channel->write_bufwrite = buflen;