From: Tilghman Lesher <tilghman@meg.abyt.es>
Date: Tue, 21 Jul 2009 22:38:54 +0000 (+0000)
Subject: Force an error if a blank is passed to QUOTE (because the documentation states the... 
X-Git-Tag: 1.4.26.2~4^2~58
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5dbbf21212835109986eaa1d75ef0d655d303927;p=thirdparty%2Fasterisk.git

Force an error if a blank is passed to QUOTE (because the documentation states the argument is not optional).
This change makes URIENCODE and QUOTE behave similarly, since the documentation
states that the argument is not optional, for both.
(closes issue #15439)
 Reported by: pkempgen
 Patches:
       20090706__issue15439.diff.txt uploaded by tilghman (license 14)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@207945 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/funcs/func_strings.c b/funcs/func_strings.c
index 8b0d562ba9..b0e7dfb508 100644
--- a/funcs/func_strings.c
+++ b/funcs/func_strings.c
@@ -384,6 +384,12 @@ static struct ast_custom_function sprintf_function = {
 static int quote(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
 {
 	char *bufptr = buf, *dataptr = data;
+	if (ast_strlen_zero(data)) {
+		ast_log(LOG_WARNING, "No argument specified!\n");
+		ast_copy_string(buf, "\"\"", len);
+		return 0;
+	}
+
 	*bufptr++ = '"';
 	for (; bufptr < buf + len - 1; dataptr++) {
 		if (*dataptr == '\\') {