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klogger.c
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klogger.c
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/****************************************************************************
**
** klogger.c
**
** Copyright (C) 2020 by KO Myung-Hun <komh@chollian.net>
**
** This file is part of K Soft Sequencer.
**
** $BEGIN_LICENSE$
**
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
**
** $END_LICENSE$
**
****************************************************************************/
#include <stdio.h>
#include <stdarg.h>
#include <time.h>
#include <io.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/fmutex.h>
#include "klogger.h"
void kloggerFdV(int depth, int fd, const char *format, va_list args)
{
static _fmutex lock = _FMUTEX_INITIALIZER;
char msg[256];
time_t t;
struct tm tm;
int len;
_fmutex_request(&lock, 0);
time(&t);
tm = *localtime( &t );
len = snprintf(msg, sizeof(msg), "%04d-%02d-%02d %02d:%02d:%02d%*c",
tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec,
depth * 2 + 1, ' ');
len += vsnprintf(msg + len, sizeof(msg) - len, format, args);
write(fd, msg, len);
write(fd, "\n", 1);
_fmutex_release(&lock);
}
void kloggerFd(int depth, int fd, const char *format, ...)
{
va_list args;
va_start(args, format);
kloggerFdV(depth, fd, format, args);
va_end(args);
}
void kloggerFileV(int depth, const char *file,
const char *format, va_list args)
{
int fd;
fd = open(file, O_CREAT | O_WRONLY | O_APPEND | O_BINARY,
S_IREAD | S_IWRITE);
if (fd != -1)
{
kloggerFdV(depth, fd, format, args);
close(fd);
}
}
void kloggerFile(int depth, const char *file, const char *format, ...)
{
va_list args;
va_start(args, format);
kloggerFileV(depth, file, format, args);
va_end(args);
}