From 8755dea7b8190aab5587cf378eafbe53c856fc4b Mon Sep 17 00:00:00 2001
From: Anthony Minessale <anthony.minessale@gmail.com>
Date: Sat, 21 Apr 2007 14:23:12 +0000
Subject: [PATCH] add backslash to escape the backslash escape char in channel
 variable expansion

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4996 d0543943-73ff-0310-b7d9-9358b9ac24b2
---
 src/switch_channel.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/switch_channel.c b/src/switch_channel.c
index 8100f9d0fc..2797b1cb95 100644
--- a/src/switch_channel.c
+++ b/src/switch_channel.c
@@ -1243,6 +1243,10 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
 			if (*p == '\\') {
 				if (*(p + 1) == '$') {
 					nv = 1;
+				} else if (*(p + 1) == '\\') {
+					*c++ = *p++;
+					len++;
+					continue;
 				}
 				p++;
 			}