From b28c123b01e8b7e8e425c6bace3632aafa8b3c24 Mon Sep 17 00:00:00 2001
From: Payden Sutherland <payden@paydensutherland.com>
Date: Sat, 6 Oct 2012 17:10:22 -0400
Subject: [PATCH] Do not allow libwsclient_send after close frame.

---
 wsclient.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/wsclient.c b/wsclient.c
index 1ed3097..f133a88 100644
--- a/wsclient.c
+++ b/wsclient.c
@@ -497,6 +497,11 @@ int stricmp(const char *s1, const char *s2) {
 
 int libwsclient_send(wsclient *client, char *strdata)  {
 	pthread_mutex_lock(&client->lock);
+	if(client->flags & CLIENT_SENT_CLOSE_FRAME) {
+		fprintf(stderr, "Trying to send data after sending close frame.  Not sending.\n");
+		pthread_mutex_unlock(&client->lock);
+		return 0;
+	}
 	if(client->flags & CLIENT_CONNECTING) {
 		pthread_mutex_unlock(&client->lock);
 		pthread_join(client->handshake_thread, NULL);