--- lbbs/src/screen.c	2025/05/17 05:56:17	1.55
+++ lbbs/src/screen.c	2025/05/17 06:46:23	1.57
@@ -298,7 +298,7 @@ int display_file_ex(const char *filename
 				input_ok = 1;
 				switch (ch)
 				{
-				case KEY_NULL:
+				//case KEY_NULL:
 				case KEY_TIMEOUT:
 					goto cleanup;
 				case KEY_HOME:
@@ -395,7 +395,6 @@ int display_file_ex(const char *filename
 					clrline(begin_line, SCREEN_ROWS);
 					break;
 				default:
-					log_std("Input: %d\n", ch);
 					input_ok = 0;
 					break;
 				}
@@ -432,53 +431,57 @@ cleanup:
 	return ch;
 }
 
-int show_top(char *status)
+int show_top(const char *status)
 {
 	int truncate;
 	int status_len;
 	int section_name_len;
 	int len;
+	char status_f[21];
 
-	len = split_line(status, 20, &truncate, &status_len);
+	strncpy(status_f, status, sizeof(status_f) - 1);
+	status_f[sizeof(status_f) - 1] = '\0';
+
+	len = split_line(status_f, 20, &truncate, &status_len);
 	if (truncate)
 	{
-		status[len] = '\0';
+		log_error("Status string is truncated\n");
+		status_f[len] = '\0';
 	}
 
 	len = split_line(BBS_current_section_name, 20, &truncate, &section_name_len);
 	if (truncate)
 	{
-		status[len] = '\0';
+		log_error("Section name is truncated\n");
 	}
 
 	moveto(1, 0);
 	clrtoeol();
 	prints("\033[1;44;33m%s \033[37m%*s%*s\033[33m ÌÖÂÛÇø [%s]\033[m",
-		   status, (39 - status_len), BBS_name, (30 - section_name_len), "", BBS_current_section_name);
+		   status_f, (39 - status_len), BBS_name, (30 - section_name_len), "", BBS_current_section_name);
 	iflush();
 
 	return 0;
 }
 
-int show_bottom(char *msg)
+int show_bottom(const char *msg)
 {
 	char str_time[LINE_BUFFER_LEN];
-	char space[LINE_BUFFER_LEN];
 	time_t time_online;
 	struct tm *tm_online;
+	int len_username = (int)strnlen(BBS_username, sizeof(BBS_username));
 
 	get_time_str(str_time, sizeof(str_time));
-	str_space(space, 34 - (int)strnlen(BBS_username, sizeof(BBS_username)));
 
 	time_online = time(0) - BBS_login_tm;
 	tm_online = gmtime(&time_online);
 
 	moveto(SCREEN_ROWS, 0);
 	clrtoeol();
-	prints("\033[1;44;33m[\033[36m%s\033[33m]%sÕʺÅ[\033[36m%s\033[33m]"
+	prints("\033[1;44;33m[\033[36m%s\033[33m]%*sÕʺÅ[\033[36m%s\033[33m]"
 		   "[\033[36m%1d\033[33m:\033[36m%2d\033[33m:\033[36m%2d\033[33m]\033[m",
-		   str_time, space, BBS_username, tm_online->tm_mday - 1,
-		   tm_online->tm_hour, tm_online->tm_min);
+		   str_time, 34 - len_username, "", BBS_username,
+		   tm_online->tm_mday - 1, tm_online->tm_hour, tm_online->tm_min);
 	iflush();
 
 	return 0;