/usr/include/cddb/cddb_log.h is in libcddb2-dev 1.3.2-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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$Id: cddb_log.h,v 1.4 2005/03/11 21:29:29 airborne Exp $
Copyright (C) 2003, 2004, 2005 Kris Verbeeck <airborne@advalvas.be>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef CDDB_LOH_H
#define CDDB_LOG_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* The different log levels supported by libcddb.
*/
typedef enum {
CDDB_LOG_DEBUG = 1, /**< Debug-level messages. */
CDDB_LOG_INFO, /**< Informational. */
CDDB_LOG_WARN, /**< Warning conditions. */
CDDB_LOG_ERROR, /**< Error conditions. */
CDDB_LOG_CRITICAL, /**< Critical conditions. */
CDDB_LOG_NONE = 99 /**< No log messages. */
} cddb_log_level_t;
/**
* This type defines the signature of a libcddb log handler. For
* every message being logged by libcddb, the handler will receive the
* log level and the message string.
*
* @see cddb_log_set_handler
* @see cddb_log_level_t
*
* @param level The log level.
* @param message The log message.
*/
typedef void (*cddb_log_handler_t)(cddb_log_level_t level, const char *message);
/**
* Set a custom log handler for libcddb. The return value is the log
* handler being replaced. If the provided parameter is NULL, then
* the handler will be reset to the default handler.
*
* @see cddb_log_handler_t
*
* @param new_handler The new log handler.
* @return The previous log handler.
*/
cddb_log_handler_t cddb_log_set_handler(cddb_log_handler_t new_handler);
/**
* Set the minimum log level. This function is only useful in
* conjunction with the default log handler. The default log handler
* will print any log messages that have a log level equal or higher
* than this minimum log level to stderr. By default the minimum log
* level is set to CDDB_LOG_WARN. This means that only warning, error
* and critical messages will be printed. You can silence the default
* log handler by setting the minimum log level to CDDB_LOG_NONE.
*
* @see cddb_log_level_t
*
* @param level The minimum log level.
*/
void cddb_log_set_level(cddb_log_level_t level);
#ifdef __cplusplus
}
#endif
#endif /* CDDB_LOG_H */
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