--- lbbs/include/article_cache.h	2025/05/31 02:42:24	1.4
+++ lbbs/include/article_cache.h	2026/01/03 10:27:14	1.12
@@ -1,29 +1,27 @@
-/***************************************************************************
-					   article_cache.h  -  description
-							 -------------------
-	Copyright            : (C) 2004-2025 by Leaflet
-	Email                : leaflet@leafok.com
- ***************************************************************************/
-
-/***************************************************************************
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 3 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- ***************************************************************************/
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * article_cache
+ *   - convert article content from DB to local cache with LML conversion and line offset index
+ *
+ * Copyright (C) 2004-2026  Leaflet <leaflet@leafok.com>
+ */
 
 #ifndef _ARTICLE_CACHE_H_
 #define _ARTICLE_CACHE_H_
 
 #include "common.h"
-#include "str_process.h"
 #include "section_list.h"
+#include "str_process.h"
+
+enum article_cache_constant_t
+{
+	ARTICLE_CONTENT_MAX_LEN = 1024 * 1024 * 4, // 4MB
+};
 
 struct article_cache_t
 {
 	void *p_mmap;
+	size_t mmap_len;
 	char *p_data;
 	size_t data_len;
 	long line_total;
@@ -31,7 +29,9 @@ struct article_cache_t
 };
 typedef struct article_cache_t ARTICLE_CACHE;
 
-extern int article_cache_generate(const char *cache_dir, const ARTICLE *p_article, const SECTION_LIST *p_section, const char *content, int overwrite);
+extern int article_cache_generate(const char *cache_dir, const ARTICLE *p_article, const SECTION_LIST *p_section,
+								  const char *content, const char *sub_ip, int overwrite);
+extern void article_cache_cleanup(void);
 
 extern int article_cache_load(ARTICLE_CACHE *p_cache, const char *cache_dir, const ARTICLE *p_article);
 extern int article_cache_unload(ARTICLE_CACHE *p_cache);