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/*
spacenavd - a free software replacement driver for 6dof space-mice.
Copyright (C) 2007-2025 John Tsiombikas <nuclear@mutantstargoat.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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdarg.h>
#include <syslog.h>
#include "logger.h"
static FILE *logfile;
static int use_syslog;
int start_logfile(const char *fname)
{
if(!(logfile = fopen(fname, "w"))) {
fprintf(stderr, "failed to open log file: %s\n", fname);
return -1;
}
setvbuf(logfile, 0, _IONBF, 0);
return fileno(logfile);
}
int start_syslog(const char *id)
{
openlog(id, LOG_NDELAY, LOG_DAEMON);
use_syslog = 1;
return 0;
}
void logmsg(int prio, const char *fmt, ...)
{
va_list ap;
if(use_syslog) {
va_start(ap, fmt);
vsyslog(prio, fmt, ap);
va_end(ap);
}
va_start(ap, fmt);
vfprintf(logfile ? logfile : stdout, fmt, ap);
va_end(ap);
}
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