From e3482f7f38dc6e140d943d857f1167c766370507 Mon Sep 17 00:00:00 2001
From: Tilghman Lesher <tilghman@meg.abyt.es>
Date: Mon, 3 Jul 2006 06:32:35 +0000
Subject: Don't attempt to run a regcomp if we haven't even parsed arguments
 correctly

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@36777 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 funcs/func_strings.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'funcs')

diff --git a/funcs/func_strings.c b/funcs/func_strings.c
index 97132a515..fcecb77fd 100644
--- a/funcs/func_strings.c
+++ b/funcs/func_strings.c
@@ -119,6 +119,11 @@ static int regex(struct ast_channel *chan, char *cmd, char *parse, char *buf,
 
 	AST_NONSTANDARD_APP_ARGS(args, parse, '"');
 
+	if (args.argc != 3) {
+		ast_log(LOG_ERROR, "Unexpected arguments: should have been in the form '\"<regex>\" <string>'\n");
+		return -1;
+	}
+
 	ast_log(LOG_DEBUG, "FUNCTION REGEX (%s)(%s)\n", args.reg, args.str);
 
 	if ((errcode = regcomp(&regexbuf, args.reg, REG_EXTENDED | REG_NOSUB))) {
-- 
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