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/*
File: log.h
Copyright (C) 2007-2009 Christophe GRENIER <grenier@cgsecurity.org>
This software 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 the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _LOG_H
#define _LOG_H
#ifdef __cplusplus
extern "C" {
#endif
unsigned int log_set_levels(const unsigned int levels);
/*@
@ requires valid_read_string(default_filename);
@ requires \valid(errsv);
@ requires separation: \separated(default_filename, errsv, &errno);
@*/
int log_open(const char*default_filename, const int mode, int *errsv);
/*@
@ requires \valid_read(default_filename);
@ requires \valid(errsv);
@ requires separation: \separated(default_filename, errsv, &errno);
@*/
int log_open_default(const char*default_filename, const int mode, int *errsv);
int log_flush(void);
int log_close(void);
/*@
@ requires valid_read_string(format);
@*/
int log_redirect(const unsigned int level, const char *format, ...) __attribute__((format(printf, 2, 3)));
/*@
@ requires lng <= 1<<30;
@ requires \valid((char *)nom_dump + (0 .. lng-1));
@*/
void dump_log(const void *nom_dump, const unsigned int lng);
/*@
@ requires lng <= 1<<30;
@ requires \valid((char *)dump_1 + (0 .. lng-1));
@ requires \valid((char *)dump_2 + (0 .. lng-1));
@*/
void dump2_log(const void *dump_1, const void *dump_2,const unsigned int lng);
#define TD_LOG_NONE 0
#define TD_LOG_CREATE 1
#define TD_LOG_APPEND 2
#define TD_LOG_DONE 3
#define LOG_LEVEL_DEBUG (1 << 0) /* x = 42 */
#define LOG_LEVEL_TRACE (1 << 1) /* Entering function x() */
#define LOG_LEVEL_QUIET (1 << 2) /* Quietable output */
#define LOG_LEVEL_INFO (1 << 3) /* Volume needs defragmenting */
#define LOG_LEVEL_VERBOSE (1 << 4) /* Forced to continue */
#define LOG_LEVEL_PROGRESS (1 << 5) /* 54% complete */
#define LOG_LEVEL_WARNING (1 << 6) /* You should backup before starting */
#define LOG_LEVEL_ERROR (1 << 7) /* Operation failed, no damage done */
#define LOG_LEVEL_PERROR (1 << 8) /* Message : standard error description */
#define LOG_LEVEL_CRITICAL (1 << 9) /* Operation failed,damage may have occurred */
#define log_debug(FORMAT, ARGS...) log_redirect(LOG_LEVEL_DEBUG,FORMAT,##ARGS)
#define log_trace(FORMAT, ARGS...) log_redirect(LOG_LEVEL_TRACE,FORMAT,##ARGS)
#define log_quiet(FORMAT, ARGS...) log_redirect(LOG_LEVEL_QUIET,FORMAT,##ARGS)
#define log_info(FORMAT, ARGS...) log_redirect(LOG_LEVEL_INFO,FORMAT,##ARGS)
#define log_verbose(FORMAT, ARGS...) log_redirect(LOG_LEVEL_VERBOSE,FORMAT,##ARGS)
#define log_progress(FORMAT, ARGS...) log_redirect(LOG_LEVEL_PROGRESS,FORMAT,##ARGS)
#define log_warning(FORMAT, ARGS...) log_redirect(LOG_LEVEL_WARNING,FORMAT,##ARGS)
#define log_error(FORMAT, ARGS...) log_redirect(LOG_LEVEL_ERROR,FORMAT,##ARGS)
#define log_perror(FORMAT, ARGS...) log_redirect(LOG_LEVEL_PERROR,FORMAT,##ARGS)
#define log_critical(FORMAT, ARGS...) log_redirect(LOG_LEVEL_CRITICAL,FORMAT,##ARGS)
#ifdef __cplusplus
} /* closing brace for extern "C" */
#endif
#endif
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