From 9499c2d26cc94186f6ed96d34c831ae3fcac672d Mon Sep 17 00:00:00 2001
From: Bill Marquette <billm@pfsense.org>
Date: Sat, 10 Sep 2005 18:29:36 +0000
Subject: Document return values

---
 etc/inc/util.inc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'etc')

diff --git a/etc/inc/util.inc b/etc/inc/util.inc
index 1bd597d..ba38938 100644
--- a/etc/inc/util.inc
+++ b/etc/inc/util.inc
@@ -205,11 +205,12 @@ function is_macaddr($macaddr) {
 }
 
 /* returns true if $name is a valid name for an alias */
+/* returns NULL if a reserved word is used */
 function is_validaliasname($name) {
 	/* Array of reserved words */
 	$reserved = array("port", "pass");
 	if (in_array($name, $reserved, true))
-		return;
+		return; /* return NULL */
 
 	if (!preg_match("/[^a-zA-Z0-9]/", $name))
 		return true;
-- 
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