l_log.c

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code 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.

Quake III Arena source code 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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

/*****************************************************************************
 * name:        l_log.c
 *
 * desc:        log file
 *
 * $Archive: /MissionPack/CODE/botlib/l_log.c $
 *
 *****************************************************************************/

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include "../game/q_shared.h"
#include "../game/botlib.h"
#include "be_interface.h"           //for botimport.Print
#include "l_libvar.h"

#define MAX_LOGFILENAMESIZE     1024

typedef struct logfile_s
{
    char filename[MAX_LOGFILENAMESIZE];
    FILE *fp;
    int numwrites;
} logfile_t;

static logfile_t logfile;

//===========================================================================
//
// Parameter:               -
// Returns:                 -
// Changes Globals:     -
//===========================================================================
void Log_Open(char *filename)
{
    if (!LibVarValue("log", "0")) return;
    if (!filename || !strlen(filename))
    {
        botimport.Print(PRT_MESSAGE, "openlog <filename>\n");
        return;
    } //end if
    if (logfile.fp)
    {
        botimport.Print(PRT_ERROR, "log file %s is already opened\n", logfile.filename);
        return;
    } //end if
    logfile.fp = fopen(filename, "wb");
    if (!logfile.fp)
    {
        botimport.Print(PRT_ERROR, "can't open the log file %s\n", filename);
        return;
    } //end if
    strncpy(logfile.filename, filename, MAX_LOGFILENAMESIZE);
    botimport.Print(PRT_MESSAGE, "Opened log %s\n", logfile.filename);
} //end of the function Log_Create
//===========================================================================
//
// Parameter:               -
// Returns:                 -
// Changes Globals:     -
//===========================================================================
void Log_Close(void)
{
    if (!logfile.fp) return;
    if (fclose(logfile.fp))
    {
        botimport.Print(PRT_ERROR, "can't close log file %s\n", logfile.filename);
        return;
    } //end if
    logfile.fp = NULL;
    botimport.Print(PRT_MESSAGE, "Closed log %s\n", logfile.filename);
} //end of the function Log_Close
//===========================================================================
//
// Parameter:               -
// Returns:                 -
// Changes Globals:     -
//===========================================================================
void Log_Shutdown(void)
{
    if (logfile.fp) Log_Close();
} //end of the function Log_Shutdown
//===========================================================================
//
// Parameter:               -
// Returns:                 -
// Changes Globals:     -
//===========================================================================
void QDECL Log_Write(char *fmt, ...)
{
    va_list ap;

    if (!logfile.fp) return;
    va_start(ap, fmt);
    vfprintf(logfile.fp, fmt, ap);
    va_end(ap);
    //fprintf(logfile.fp, "\r\n");
    fflush(logfile.fp);
} //end of the function Log_Write
//===========================================================================
//
// Parameter:               -
// Returns:                 -
// Changes Globals:     -
//===========================================================================
void QDECL Log_WriteTimeStamped(char *fmt, ...)
{
    va_list ap;

    if (!logfile.fp) return;
    fprintf(logfile.fp, "%d   %02d:%02d:%02d:%02d   ",
                    logfile.numwrites,
                    (int) (botlibglobals.time / 60 / 60),
                    (int) (botlibglobals.time / 60),
                    (int) (botlibglobals.time),
                    (int) ((int) (botlibglobals.time * 100)) -
                            ((int) botlibglobals.time) * 100);
    va_start(ap, fmt);
    vfprintf(logfile.fp, fmt, ap);
    va_end(ap);
    fprintf(logfile.fp, "\r\n");
    logfile.numwrites++;
    fflush(logfile.fp);
} //end of the function Log_Write
//===========================================================================
//
// Parameter:               -
// Returns:                 -
// Changes Globals:     -
//===========================================================================
FILE *Log_FilePointer(void)
{
    return logfile.fp;
} //end of the function Log_FilePointer
//===========================================================================
//
// Parameter:               -
// Returns:                 -
// Changes Globals:     -
//===========================================================================
void Log_Flush(void)
{
    if (logfile.fp) fflush(logfile.fp);
} //end of the function Log_Flush

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