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

diff --git a/funcs/func_strings.c b/funcs/func_strings.c
index 97132a5..fcecb77 100644 (file)
--- 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))) {