From 79ecae661480b1ea87cc4081b1fc87ff0cb16aa6 Mon Sep 17 00:00:00 2001
From: Tilghman Lesher <tilghman@meg.abyt.es>
Date: Fri, 12 Sep 2008 16:56:49 +0000
Subject: [PATCH] Merged revisions 142748 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/trunk

........
r142748 | tilghman | 2008-09-12 11:54:44 -0500 (Fri, 12 Sep 2008) | 3 lines

When checking for an encoded character, make sure the string isn't blank, first.
(Closes issue #13470)

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@142749 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 main/app.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/main/app.c b/main/app.c
index 2b63128aff..bf3b248d41 100644
--- a/main/app.c
+++ b/main/app.c
@@ -1703,6 +1703,11 @@ int ast_get_encoded_char(const char *stream, char *result, size_t *consumed)
 	int i;
 	*consumed = 1;
 	*result = 0;
+	if (ast_strlen_zero(stream)) {
+		*consumed = 0;
+		return -1;
+	}
+
 	if (*stream == '\\') {
 		*consumed = 2;
 		switch (*(stream + 1)) {