/*
 * Copyright (c) 1995, 1996 Gunther Schadow.  All rights reserved.
 *
 * 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
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "pg_config.h"

IDENT("@(#) fsyslog.c (Gunther Schadow) 12/19/96");

/*
 * fsyslog -- fake syslog(3) functionality (though less complete)
 *
 * Copyright (c) 1995, 1996 Gunther Schadow
 */

#include "fsyslog.h"
#include <stdio.h>
#include <stdarg.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <time.h>

char *logfile = "/tmp/fsyslog.log";

static FILE* logfp     = stderr;
static int   _level    = 5;
static char* _tag      = "";
static char* _facility = "";
static int   _flags    = 0;

void
openlog(char *tag, int flags, char *facility)
{
  _tag = tag;
  _facility = facility;
  _flags = flags;

  logfp = fopen(logfile, "a");

  if (logfp == NULL)
    {
      fprintf(stderr, "%s: %s\n", logfile, strerror(errno));
      exit(1);
    }
}

#define BUF_SIZE 1024

void
syslog(int pri, const char *msg, ...)
{
  va_list ap;
  char *p;
  char buf[BUF_SIZE] = "";
  time_t tme;

  time(&tme);
  strftime(buf, BUF_SIZE, "%b %e %T ", localtime(&tme));
  sprintf(buf + strlen(buf), "%s[%d]: ", _tag, (int)getpid());

  p = (char *)strstr(msg, "%m");
  if(p != NULL)
    {
      strncat(buf, msg, p - msg);
      strcat(buf, (char *)strerror(errno));
      strcat(buf, p + 2);
    }
  else
    strcat(buf, msg);

  va_start(ap, msg);
  vfprintf(logfp, buf, ap);
  fputs("\n",logfp);
  fflush(logfp);
} 

void
setlogmask(int l)
{
  _level = l;
}