Truncate the URI to the size of the database field before we check it to ensure that what is stored in the database is the same as that we checked

git-svn-id: file:///svn/phpbb/branches/phpBB-2_0_0@5501 89ea8834-ac86-4346-8a33-228a782c2dd0

phpBB/includes/usercp_avatar.php

@@ -100,6 +100,8 @@ function user_avatar_url($mode, &$error, &$error_msg, $avatar_filename)
 		$avatar_filename = 'http://' . $avatar_filename;
 	}
 
+	$avatar_filename = substr($avatar_filename, 0, 100);
+
 	if ( !preg_match("#^((ht|f)tp://)([^ \?&=\#\"\n\r\t<]*?(\.(jpg|jpeg|gif|png))$)#is", $avatar_filename) )
 	{
 		$error = true;