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/*
* 2009 (C) David Sommerseth <davids@redhat.com>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* For the avoidance of doubt the "preferred form" of this code is one which
* is in an open unpatent encumbered format. Where cryptographic key signing
* forms part of the process of creating an executable the information
* including keys needed to generate an equivalently functional executable
* are deemed to be part of the source code.
*/
/**
* @file dmilog.h
* @brief A simple log module
* @author David Sommerseth <davids@redhat.com>
*/
#ifndef DMILOG_H
#define DMILOG_H
#include <stdarg.h>
#include <syslog.h>
/**
* Struct defining log records. Organised as a pointer chain.
*/
struct _Log_t {
int level; /**< Log type, based on syslog levels (LOG_ERR|LOG_WARNING) */
char *message; /**< Formated log text */
unsigned int read; /**< Number of times this log entry has been read */
struct _Log_t *next; /**< Next log entry */
};
typedef struct _Log_t Log_t;
/**
* Log flags. These flags can be OR'ed together
*/
typedef enum { LOGFL_NORMAL = 1, /**< Normal behaviour, log everything and use stderr on errors */
LOGFL_NODUPS = 2, /**< Don't log messages we already have logged */
LOGFL_NOSTDERR = 4 /**< Don't use stderr even if log functions fails */
} Log_f;
Log_t * log_init();
int log_append(Log_t *logp, Log_f flags, int level, const char *fmt, ...);
char * log_retrieve(Log_t *logp, int level);
size_t log_clear_partial(Log_t *logp, int level, int unread);
void log_close(Log_t *logp);
#endif
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