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/*
* Copyright 2014-present Facebook. All Rights Reserved.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef LOG_H
#define LOG_H
#include <stdio.h>
#include <string.h>
//#define DEBUG
//#define VERBOSE
#define _LOG(dst, fmt, ...) do { \
fprintf(dst, "%s:%d " fmt "\n", \
__FUNCTION__, __LINE__, ##__VA_ARGS__); \
fflush(dst); \
} while(0)
#define LOG_ERR(err, fmt, ...) do { \
char buf[128]; \
strerror_r(err, buf, sizeof(buf)); \
_LOG(stderr, "ERROR " fmt ": %s", ##__VA_ARGS__, buf); \
} while(0)
#define LOG_INFO(fmt, ...) do { \
_LOG(stdout, fmt, ##__VA_ARGS__); \
} while(0)
#ifdef DEBUG
#define LOG_DBG(fmt, ...) do { \
_LOG(stdout, fmt, ##__VA_ARGS__); \
} while(0)
#else
#define LOG_DBG(fmt, ...)
#endif
#ifdef VERBOSE
#define LOG_VER(fmt, ...) do { \
_LOG(stdout, fmt, ##__VA_ARGS__); \
} while(0)
#else
#define LOG_VER(fmt, ...)
#endif
#endif
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