BugTrack2/80: Reduced memory usage of links_init().

[pukiwiki/pukiwiki.git] / lib / link.php

diff --git a/lib/link.php b/lib/link.php
index 108d96a..0c9b3e2 100644 (file)
--- a/lib/link.php
+++ b/lib/link.php
@@ -1,6 +1,6 @@
 <?php
 // PukiWiki - Yet another WikiWikiWeb clone
-// $Id: link.php,v 1.8 2005/12/10 12:00:52 henoheno Exp $
+// $Id: link.php,v 1.9 2006/01/12 08:49:54 teanan Exp $
 // Copyright (C) 2003-2005 PukiWiki Developers Team
 // License: GPL v2 or (at your option) any later version
 //
@@ -142,10 +142,8 @@ function links_init()
        foreach (get_existfiles(CACHE_DIR, '.rel') as $cache)
                unlink($cache);
 
-       $pages = get_existpages();
        $ref   = array(); // »²¾È¸µ
-       $ref_notauto = array();
-       foreach ($pages as $page) {
+       foreach (get_existpages() as $page) {
                if ($page == $whatsnew) continue;
 
                $rel   = array(); // »²¾ÈÀè
@@ -156,10 +154,10 @@ function links_init()
                                continue;
 
                        $rel[] = $_obj->name;
-                       if (! is_a($_obj, 'Link_autolink')) {
-                               $ref_notauto[$_obj->name][$page] = TRUE;
-                       }
-                       $ref[$_obj->name][] = $page;
+                       if (! isset($ref[$_obj->name][$page]))
+                               $ref[$_obj->name][$page] = 1;
+                       if (! is_a($_obj, 'Link_autolink'))
+                               $ref[$_obj->name][$page] = 0;
                }
                $rel = array_unique($rel);
                if (! empty($rel)) {
@@ -171,16 +169,10 @@ function links_init()
        }
 
        foreach ($ref as $page=>$arr) {
-               if (empty($arr)) continue;
-
-               $arr = array_unique($arr);
                $fp  = fopen(CACHE_DIR . encode($page) . '.ref', 'w')
                        or die_message('cannot write ' . htmlspecialchars(CACHE_DIR . encode($page) . '.ref'));
-               foreach ($arr as $ref_page) {
-                       $ref_auto = (isset($ref_notauto[$page])
-                               && isset($ref_notauto[$page][$ref_page])) ? 0 : 1;
-                       fputs($fp, "$ref_page\t$ref_auto\n");
-               }
+               foreach ($arr as $ref_page=>$ref_auto)
+                       fputs($fp, $ref_page . "\t" . $ref_auto . "\n");
                fclose($fp);
        }
 }