From bdb2115c1667ea137e64a54cfa772439563851ae Mon Sep 17 00:00:00 2001
From: "Michael Kaufmann (d00p)" <d00p@froxlor.org>
Date: Wed, 9 Sep 2015 23:01:24 +0200
Subject: [PATCH] allow one-character usernames (or mysql-prefix)

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
---
 lib/functions/validate/function.validateUsername.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/functions/validate/function.validateUsername.php b/lib/functions/validate/function.validateUsername.php
index 48aeab6c..8e7609fd 100644
--- a/lib/functions/validate/function.validateUsername.php
+++ b/lib/functions/validate/function.validateUsername.php
@@ -30,11 +30,11 @@ function validateUsername($username, $unix_names = 1, $mysql_max = '') {
 
 	if ($unix_names == 0) {
 		if (strpos($username, '--') === false) {
-			return (preg_match('/^[a-z][a-z0-9\-_]{1,' . (int)($mysql_max - 1) . '}[a-z0-9]{1}$/Di', $username) != false);
+			return (preg_match('/^[a-z][a-z0-9\-_]{0,' . (int)($mysql_max - 1) . '}[a-z0-9]{1}$/Di', $username) != false);
 		} else {
 			return false;
 		}
 	} else {
-		return (preg_match('/^[a-z][a-z0-9]{1,' . $mysql_max . '}$/Di', $username) != false);
+		return (preg_match('/^[a-z][a-z0-9]{0,' . $mysql_max . '}$/Di', $username) != false);
 	}
 }