--- lbbs/include/common.h	2025/04/30 09:18:19	1.16
+++ lbbs/include/common.h	2025/05/27 03:25:02	1.35
@@ -1,16 +1,15 @@
 /***************************************************************************
 						  common.h  -  description
 							 -------------------
-	begin                : Mon Oct 18 2004
-	copyright            : (C) 2004 by Leaflet
-	email                : leaflet@leafok.com
+	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 2 of the License, or     *
+ *   the Free Software Foundation; either version 3 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
@@ -20,41 +19,73 @@
 
 #include <stddef.h>
 
+#define LINE_BUFFER_LEN 1024
+#define FILE_PATH_LEN 4096
+
 // Version
 extern char app_version[256];
 
 // Enviroment
-extern char app_home_dir[256];
-extern char app_temp_dir[256];
+#define CONF_BBSD "conf/bbsd.conf"
+#define CONF_MENU "var/menu_merged.conf"
+#define CONF_BBSNET "conf/bbsnet.conf"
+
+#define LOG_FILE_INFO "log/bbsd.log"
+#define LOG_FILE_ERROR "log/error.log"
+
+#define DATA_WELCOME "data/welcome.txt"
+#define DATA_REGISTER "data/register.txt"
+#define DATA_GOODBYE "data/goodbye.txt"
+#define DATA_LICENSE "data/license.txt"
+#define DATA_COPYRIGHT "data/copyright.txt"
+#define DATA_LOGIN_ERROR "data/login_error.txt"
+#define DATA_ACTIVE_BOARD "data/active_board.txt"
+#define DATA_READ_HELP "data/read_help.txt"
+
+#define VAR_MAX_USER_ONLINE "var/max_user_online.dat"
+#define VAR_BBS_TOP "var/bbs_top.txt"
+
+#define VAR_ARTICLE_BLOCK_SHM "var/article_block_shm.~"
+#define VAR_SECTION_LIST_SHM "var/section_list_shm.~"
+#define VAR_TRIE_DICT_SHM "var/trie_dict_shm.~"
+
+// File loader
+extern const char *data_files_load_startup[];
+extern int data_files_load_startup_count;
+extern const char *data_files_load_on_timeval[];
+extern int data_files_load_timeval_count;
+
+// Screen
+#define SCREEN_ROWS 24
+#define SCREEN_COLS 80
 
 // Network
+#define IP_ADDR_LEN 50
+#define MAX_EVENTS 10
+
 extern int socket_server;
 extern int socket_client;
-extern char hostaddr_server[50];
-extern char hostaddr_client[50];
+extern char hostaddr_server[IP_ADDR_LEN];
+extern char hostaddr_client[IP_ADDR_LEN];
 extern int port_server;
 extern int port_client;
 
-// Database
-extern char DB_host[256];
-extern char DB_username[50];
-extern char DB_password[50];
-extern char DB_database[50];
-extern char DB_timezone[50];
-
-// Signal
-#define SIG_RELOAD_MENU 0x22
-
-extern const char *str_space(char *string, int length);
 extern const char *get_time_str(char *string, size_t length);
 
 // Signal handler
-extern void reload_bbs_menu(int);
-extern void system_exit(int);
-extern void child_exit(int);
+extern void sig_hup_handler(int);
+extern void sig_term_handler(int);
+extern void sig_chld_handler(int);
 
 // System
-extern int SYS_exit;
-extern int SYS_child_process_count;
+extern volatile int SYS_server_exit;
+extern volatile int SYS_child_process_count;
+extern volatile int SYS_child_exit;
+extern volatile int SYS_menu_reload;
+extern volatile int SYS_data_file_reload;
+extern volatile int SYS_section_list_reload;
+
+// Network
+extern const char *ip_mask(char *s, int level, char mask);
 
 #endif //_COMMON_H_