From 3f021b986f20bac07fe71c3ccac86398b354c4a5 Mon Sep 17 00:00:00 2001
From: Mathieu Rene <mrene@avgs.ca>
Date: Tue, 22 Dec 2009 21:44:46 +0000
Subject: [PATCH] mod_commands: check for zstr(cmd) in escape_function

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16029 d0543943-73ff-0310-b7d9-9358b9ac24b2
---
 src/mod/applications/mod_commands/mod_commands.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/mod/applications/mod_commands/mod_commands.c b/src/mod/applications/mod_commands/mod_commands.c
index fff64580f8..7c977f218c 100644
--- a/src/mod/applications/mod_commands/mod_commands.c
+++ b/src/mod/applications/mod_commands/mod_commands.c
@@ -3866,8 +3866,15 @@ SWITCH_STANDARD_API(hupall_api_function)
 
 SWITCH_STANDARD_API(escape_function)
 {
-	int len = strlen(cmd)*2;
-	char *mycmd = malloc(strlen(cmd)*2);
+	int len;
+	char *mycmd;
+	
+	if (zstr(cmd)) {
+		return SWITCH_STATUS_SUCCESS;
+	}
+	
+	len = strlen(cmd)*2;
+	mycmd = malloc(len);
 	
 	stream->write_function(stream, "%s", switch_escape_string(cmd, mycmd, len));