empserver/src/lib/common/log.c

113 lines
2.7 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
* related information and legal notices. It is expected that any future
* projects/authors will amend these files as needed.
*
* ---
*
* log.c: Log an Empire error to a file
*
* Known contributors to this file:
* Dave Pare, 1989
*/
#include "misc.h"
#include <errno.h>
#include <stdlib.h>
#if !defined(_WIN32)
#include <unistd.h>
#endif
#include <fcntl.h>
#include <stdarg.h>
#include <stdio.h>
#ifdef Rel4
#include <string.h>
#endif /* Rel4 */
#include <time.h>
#include "deity.h"
#include "player.h"
#include "common.h"
static s_char *logfile = 0;
s_char *
getlogfile()
{
return (s_char *)logfile;
}
/*
* Points logfile at datadir/"program".log
*/
void
loginit(void)
{
extern s_char program[];
extern s_char *datadir;
s_char buf[1024];
#if !defined(_WIN32)
sprintf(buf, "%s/%s.log", datadir, program);
#else
sprintf(buf, "%s\\%s.log", datadir, program);
#endif
logfile = malloc(strlen(buf) + 1);
strcpy(logfile, buf);
}
/*VARARGS*/
void
logerror(s_char *format, ...)
{
va_list list;
time_t now;
s_char buf[512];
s_char cbuf[512];
s_char buf1[512];
int logf;
s_char *p;
if (logfile == 0)
loginit();
va_start(list, format);
vsprintf(buf, format, list);
if ((p = index(buf, '\n')) != 0)
*p = 0;
(void)time(&now);
strcpy(cbuf, ctime(&now));
if ((p = index(cbuf, '\n')) != 0)
*p = 0;
(void)sprintf(buf1, "%s %s\n", cbuf, buf);
if ((logf = open(logfile, O_WRONLY | O_CREAT | O_APPEND, 0666)) < 0)
return;
(void)write(logf, buf1, strlen(buf1));
(void)close(logf);
errno = 0;
#ifdef notdef
if (player) {
pr("A system error has occured; please notify the deity.\n");
pr(buf1);
}
#endif
va_end(list);
}