--- lbbs/src/init.c	2025/05/04 14:54:55	1.15
+++ lbbs/src/init.c	2025/05/13 11:32:01	1.20
@@ -1,16 +1,15 @@
 /***************************************************************************
 						  init.c  -  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.                                   *
  *                                                                         *
  ***************************************************************************/
@@ -29,7 +28,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
-void init_daemon(void)
+int init_daemon(void)
 {
 	int pid;
 
@@ -37,11 +36,11 @@ void init_daemon(void)
 
 	if (pid > 0) // Parent process
 	{
-		exit(0);
+		_exit(0);
 	}
-	else if (pid < 0) // Error
+	else if (pid < 0) // error
 	{
-		exit(1);
+		_exit(pid);
 	}
 
 	// Child process
@@ -51,17 +50,17 @@ void init_daemon(void)
 
 	if (pid > 0) // Parent process
 	{
-		exit(0);
+		_exit(0);
 	}
-	else if (pid < 0) // Error
+	else if (pid < 0) // error
 	{
-		exit(1);
+		_exit(pid);
 	}
 
 	// Child process
 	umask(022);
 
-	return;
+	return 0;
 }
 
 int load_conf(const char *conf_file)
@@ -104,7 +103,7 @@ int load_conf(const char *conf_file)
 		}
 		if (strcmp(c_name, "bbs_port") == 0)
 		{
-			fscanf(fin, "%ud", &BBS_port);
+			fscanf(fin, "%hu", &BBS_port);
 		}
 		if (strcmp(c_name, "bbs_max_client") == 0)
 		{
@@ -118,7 +117,7 @@ int load_conf(const char *conf_file)
 		{
 			int y = 0, m = 0, d = 0;
 			fscanf(fin, "%d-%d-%d", &y, &m, &d);
-			sprintf(BBS_start_dt, "%4d年%2d月%2d日", y, m, d);
+			snprintf(BBS_start_dt, sizeof(BBS_start_dt), "%4d年%2d月%2d日", y, m, d);
 		}
 		if (strcmp(c_name, "db_host") == 0)
 		{