--- lbbs/src/common.c	2004/10/19 17:10:39	1.1
+++ lbbs/src/common.c	2025/05/04 14:54:55	1.13
@@ -1,9 +1,9 @@
 /***************************************************************************
-                          common.c  -  description
-                             -------------------
-    begin                : Mon Oct 18 2004
-    copyright            : (C) 2004 by Leaflet
-    email                : leaflet@leafok.com
+						  common.c  -  description
+							 -------------------
+	begin                : Mon Oct 18 2004
+	copyright            : (C) 2004 by Leaflet
+	email                : leaflet@leafok.com
  ***************************************************************************/
 
 /***************************************************************************
@@ -15,10 +15,18 @@
  *                                                                         *
  ***************************************************************************/
 
-//Global declaration for enviroment
-char app_home_dir[256];
+#include "common.h"
+#include "log.h"
+#include "menu.h"
+#include <string.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/wait.h>
 
-//Global declaration for sockets
+// Version information
+char app_version[256] = "LBBS-devel version 1.0";
+
+// Global declaration for sockets
 int socket_server;
 int socket_client;
 char hostaddr_server[50];
@@ -26,7 +34,87 @@ char hostaddr_client[50];
 int port_server;
 int port_client;
 
-//Global declaration for database
-char DB_host[256];
-char DB_username[50];
-char DB_password[50];
+// Global declaration for system
+int SYS_exit;
+int SYS_child_process_count;
+
+// Common function
+const char *str_space(char *string, int length)
+{
+	int i;
+	for (i = 0; i < length; i++)
+	{
+		string[i] = ' ';
+	}
+	string[length] = '\0';
+	return string;
+}
+
+const char *get_time_str(char *string, size_t length)
+{
+	char week[20];
+	char buffer[LINE_BUFFER_LEN];
+	time_t curtime;
+	struct tm *loctime;
+
+	curtime = time(NULL);
+	loctime = localtime(&curtime);
+
+	strftime(buffer, sizeof(buffer), "%Y年%m月%d日%H:%M:%S ", loctime);
+
+	switch (loctime->tm_wday)
+	{
+	case 0:
+		strncpy(week, "星期天", sizeof(week));
+		break;
+	case 1:
+		strncpy(week, "星期一", sizeof(week));
+		break;
+	case 2:
+		strncpy(week, "星期二", sizeof(week));
+		break;
+	case 3:
+		strncpy(week, "星期三", sizeof(week));
+		break;
+	case 4:
+		strncpy(week, "星期四", sizeof(week));
+		break;
+	case 5:
+		strncpy(week, "星期五", sizeof(week));
+		break;
+	case 6:
+		strncpy(week, "星期六", sizeof(week));
+		break;
+	}
+	strncat(buffer, week, sizeof(buffer) - 1 - strnlen(buffer, sizeof(buffer)));
+
+	strncpy(string, buffer, length);
+
+	return string;
+}
+
+void reload_bbs_menu(int i)
+{
+	if (reload_menu(&bbs_menu) < 0)
+		log_error("Reload menu failed\n");
+	else
+		log_std("Reload menu successfully\n");
+}
+
+void system_exit(int i)
+{
+	SYS_exit = 1;
+}
+
+void child_exit(int i)
+{
+	int pid;
+
+	pid = wait(0);
+
+	if (pid > 0)
+	{
+		SYS_child_process_count--;
+		log_std("Child process (%d) exited\n", pid);
+	}
+}