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/**
 * Copyright (c) 2017 rxi
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the MIT license. See `log.c` for details.
 */

#ifndef LOG_H
#define LOG_H

#define __FILENAME__                                                           \
  (__builtin_strrchr(__FILE__, '/')                                            \
       ? (__builtin_strrchr(__FILE__, '/') + 1)                                \
       : (__builtin_strrchr(__FILE__, '\\')                                    \
              ? __builtin_strrchr(__FILE__, '\\') + 1                          \
              : __FILE__))

#include <stdarg.h>
#include <stdio.h>

#define LOG_VERSION "0.1.0"

typedef void (*log_LockFn)(void *udata, int lock);

enum { LOG_TRACE, LOG_DEBUG, LOG_INFO, LOG_WARN, LOG_ERROR, LOG_FATAL };

#define log_trace(...) log_log(LOG_TRACE, __FILENAME__, __LINE__, __VA_ARGS__)
#define log_debug(...) log_log(LOG_DEBUG, __FILENAME__, __LINE__, __VA_ARGS__)
#define log_info(...) log_log(LOG_INFO, __FILENAME__, __LINE__, __VA_ARGS__)
#define log_warn(...) log_log(LOG_WARN, __FILENAME__, __LINE__, __VA_ARGS__)
#define log_error(...) log_log(LOG_ERROR, __FILENAME__, __LINE__, __VA_ARGS__)
#define log_fatal(...) log_log(LOG_FATAL, __FILENAME__, __LINE__, __VA_ARGS__)

void log_set_udata(void *udata);
void log_set_lock(log_LockFn fn);
void log_set_fp(FILE *fp);
void log_set_level(int level);
void log_set_quiet(int enable);

void log_log(int level, const char *file, int line, const char *fmt, ...);

#endif