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)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@142749 65c4cc65-6c06-0410-ace0-fbb531ad65f3

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)) {