--- lbbs/src/log.c	2004/10/19 02:08:35	1.2
+++ lbbs/src/log.c	2025/05/26 12:06:05	1.18
@@ -1,111 +1,117 @@
 /***************************************************************************
-                          log.c  -  description
-                             -------------------
-    begin                : Mon Oct 18 2004
-    copyright            : (C) 2004 by leaf
-    email                : leaflet@leafok.com
+						  log.c  -  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 2 of the License, or     *
+ *   the Free Software Foundation; either version 3 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
-#include "common.h"
+#include "io.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
 
 FILE *fp_log_std;
 FILE *fp_log_err;
 
-int
-log_begin (char *file_log_std, char *file_log_err)
+int log_begin(char *file_log_std, char *file_log_err)
 {
-  fp_log_std = fopen (file_log_std, "a");
-  if (fp_log_std == NULL)
-    {
-      perror ("log_begin failed\n");
-      return -1;
-    }
-
-  fp_log_err = fopen (file_log_err, "a");
-  if (fp_log_err == NULL)
-    {
-      perror ("log_begin failed\n");
-      return -1;
-    }
-
-  return 0;
-}
-
-int
-log_end ()
-{
-  fclose (fp_log_std);
-  fclose (fp_log_err);
-}
-
-int
-log_head (char *buf)
-{
-  time_t t;
-  char s_time[256];
-  t = time(0);
-  
-  strftime(s_time,256,"%Y-%m-%d %H:%M:%S", localtime (&t));
-  sprintf(buf,"[%s] [%d] ", s_time, getpid());
-  
-  return 0;
-}
-
-int
-log_std (char *msg)
-{
-  char buf[1024];
-
-  if (fp_log_std == NULL)
-    {
-      perror ("log_std failed\n");
-      return -1;
-    }
-
-  log_head(buf);
-  strcat(buf,msg);
-  
-  if (fprintf (fp_log_std, buf)<0)
-    {
-      perror ("log_std failed\n");
-      return -2;
-    }
-
-  fflush(fp_log_std);
-  
-  return 0;
-}
-
-int
-log_error (char *error_msg)
-{
-  char buf[1024];
-  
-  if (fp_log_err == NULL)
-    {
-      perror ("log_error failed\n");
-      return -1;
-    }
-
-  log_head(buf);
-  strcat(buf,error_msg);
-
-  if (fprintf (fp_log_err, buf)<0)
-    {
-      perror ("log_error failed\n");
-      return -2;
-    }
-  
-  fflush(fp_log_err);
+	fp_log_std = fopen(file_log_std, "a");
+	if (fp_log_std == NULL)
+	{
+		perror("log_begin failed\n");
+		return -1;
+	}
+
+	fp_log_err = fopen(file_log_err, "a");
+	if (fp_log_err == NULL)
+	{
+		perror("log_begin failed\n");
+		return -2;
+	}
 
-  return 0;
+	return 0;
+}
+
+void log_end()
+{
+	fclose(fp_log_std);
+	fclose(fp_log_err);
+}
+
+int log_head(char *buf, size_t len)
+{
+	time_t t;
+	struct tm gm_tm;
+	char s_time[256];
+
+	time(&t);
+	gmtime_r(&t, &gm_tm);
+	strftime(s_time, sizeof(s_time), "%Y-%m-%d %H:%M:%S", &gm_tm);
+	snprintf(buf, len, "[%s] [%d] ", s_time, getpid());
+
+	return 0;
+}
+
+int log_std(const char *format, ...)
+{
+	va_list args;
+	int retval;
+	char buf[1024];
+
+	log_head(buf, sizeof(buf));
+	strncat(buf, format, sizeof(buf) - strnlen(buf, sizeof(buf)));
+
+	va_start(args, format);
+	retval = vfprintf(fp_log_std, buf, args);
+	va_end(args);
+
+	fflush(fp_log_std);
+
+	return retval;
+}
+
+int log_error(const char *format, ...)
+{
+	va_list args;
+	int retval;
+	char buf[1024];
+
+	log_head(buf, sizeof(buf));
+	strncat(buf, format, sizeof(buf) - strnlen(buf, sizeof(buf)));
+
+	va_start(args, format);
+	retval = vfprintf(fp_log_err, buf, args);
+	va_end(args);
+
+	fflush(fp_log_err);
+
+	return retval;
+}
+
+int log_std_redirect(int fd)
+{
+	int ret;
+	close(fileno(fp_log_std));
+	ret = dup2(fd, fileno(fp_log_std));
+	return ret;
+}
+
+int log_err_redirect(int fd)
+{
+	int ret;
+	close(fileno(fp_log_err));
+	ret = dup2(fd, fileno(fp_log_err));
+	return ret;
 }