tio/src/log.c
Martin Lund bbda0b8851 Added log feature
Added "--log <filename>" option which writes all activity to specified
file.
2016-05-01 21:21:05 +02:00

62 lines
1.4 KiB
C

/*
* Go TTY - The Really Simple Terminal Application
*
* Copyright (c) 2014-2016 Martin Lund
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "gotty/options.h"
#include "gotty/print.h"
static FILE *fp;
static bool error = false;
void log_open(char *filename)
{
fp = fopen(filename, "w+");
if (fp == NULL)
{
error = true;
exit(EXIT_FAILURE);
}
}
void log_write(char c)
{
if (fp != NULL)
fputc(c, fp);
}
void log_close(void)
{
if (fp != NULL)
fclose(fp);
}
void log_exit(void)
{
if (option.log)
log_close();
if (error)
printf("Error: Could not open log file %s (%s)\n", option.log_filename, strerror(errno));
}