From: Brion Vibber <brion@users.mediawiki.org>
Date: Mon, 8 Mar 2004 02:46:27 +0000 (+0000)
Subject: Fixed what seems to be an off-by-one error (it tried to access one past the end of... 
X-Git-Tag: 1.3.0beta1~843
X-Git-Url: https://git.cyclocoop.org/%28%28?a=commitdiff_plain;h=ddacf874df2d8c9bc25cd48b75e060fc95f9da62;p=lhc%2Fweb%2Fwiklou.git

Fixed what seems to be an off-by-one error (it tried to access one past the end of the array quite consistently). Someone who understands this code, please check.
---

diff --git a/includes/Tokenizer.php b/includes/Tokenizer.php
index 1556dd4799..e563a7c8e5 100644
--- a/includes/Tokenizer.php
+++ b/includes/Tokenizer.php
@@ -64,7 +64,7 @@ class Tokenizer {
 
 	function previewToken()
 	{
-		if ( $this->mMatchPos <= $this->mCount  ) {
+		if ( $this->mMatchPos < $this->mCount  ) {
 			$token["pos"] = $this->mPos;
 			if ( $this->mPos < $this->mMatch[0][$this->mMatchPos][1] ) {
 				$token["type"] = "text";
@@ -76,7 +76,7 @@ class Tokenizer {
 			} else {
 				# If linkPrefixExtension is set,  $this->mMatch[2][$this->mMatchPos][0]
 				# contains the link prefix, or is null if no link prefix exist.
-				if ( $this->mMatch[2][$this->mMatchPos][0] )
+				if ( isset( $this->mMatch[2] ) && $this->mMatch[2][$this->mMatchPos][0] )
 				{
 					# prefixed link open tag, [0] is "prefix[["
 					$token["type"] = "[[";