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/* -*- mode: C; c-basic-offset: 2; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2009-2011 Tiger Soldier <tigersoldier@gmail.com>
*
* This file is part of OSD Lyrics.
*
* OSD Lyrics 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.
*
* OSD Lyrics 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 OSD Lyrics. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef _OL_DEBUG_H_
#define _OL_DEBUG_H_
#include <stdio.h>
enum OlDebugLevel {
OL_LOG_NONE = -1,
OL_ERROR = 0,
OL_DEBUG = 1,
OL_INFO = 2,
OL_N_LEVELS,
};
#define ol_logf(level, ...) do {ol_log_printf (level, \
__FILE__, \
__LINE__, \
__FUNCTION__, \
__VA_ARGS__); } while (0)
#define ol_log_func() do {ol_logf (OL_INFO, "%s\n", __FUNCTION__); } while (0)
#define ol_debugf(...) do {ol_logf (OL_DEBUG, __VA_ARGS__); } while (0)
#define ol_debug(...) do {ol_logf (OL_DEBUG, "%s\n", __VA_ARGS__); } while (0)
#define ol_errorf(...) do {ol_logf (OL_ERROR, __VA_ARGS__); } while (0)
#define ol_error(...) do {ol_logf (OL_ERROR, "%s\n", __VA_ARGS__); } while (0)
#define ol_infof(...) do {ol_logf (OL_INFO, __VA_ARGS__); } while (0)
#define ol_info(...) do {ol_logf (OL_INFO, "%s\n", __VA_ARGS__); } while (0)
#define ol_assert(assertion) do {if (!(assertion)) { \
ol_logf (OL_ERROR, "assert %s failed\n", #assertion); \
return; \
}} while (0)
#define ol_assert_ret(assertion, ret) do {if (!(assertion)) { \
ol_logf (OL_ERROR, "assert %s failed\n", #assertion); \
return (ret); \
}} while (0)
void ol_log_printf (int level, const char *file, int line, const char *funcname,
const char *fmt, ...);
/**
* @brief Sets the message level to be logged
*
* @param level The level of message to be logged. There are 4 levels:<br />
* OL_LOG_NONE: Log nothing
* OL_ERROR: Log only messages with OL_ERROR
* OL_DEBUG: Log messages with OL_ERROR and OL_DEBUG
* OL_INFO: Log all messages
*/
void ol_log_set_level (enum OlDebugLevel level);
/**
* @brief Sets the file to store log messages.
*
* @param logfile The filename of the log file. if logfile is "-", it represents
* standard output
* @return Return 1 if succeeded, or 0 if failed.
*/
int ol_log_set_file (const char *logfile);
#endif /* _OL_DEBUG_H_ */
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