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119 lines
5.9 KiB
C
119 lines
5.9 KiB
C
/*
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* logging.h - Centralised logging. Originated from the Linux-NTFS project.
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*
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* Copyright (c) 2005 Richard Russon
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* Copyright (c) 2007-2008 Szabolcs Szakacsits
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*
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* This program/include file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program/include file is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program (in the main directory of the NTFS-3G
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* distribution in the file COPYING); if not, write to the Free Software
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* Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _LOGGING_H_
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#define _LOGGING_H_
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef HAVE_STDARG_H
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#include <stdarg.h>
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#endif
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#include "types.h"
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/* Function prototype for the logging handlers */
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typedef int (ntfs_log_handler)(const char *function, const char *file, int line,
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u32 level, void *data, const char *format, va_list args);
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/* Set the logging handler from one of the functions, below. */
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void ntfs_log_set_handler(ntfs_log_handler *handler
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__attribute__((format(printf, 6, 0))));
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/* Logging handlers */
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ntfs_log_handler ntfs_log_handler_syslog __attribute__((format(printf, 6, 0)));
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ntfs_log_handler ntfs_log_handler_fprintf __attribute__((format(printf, 6, 0)));
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ntfs_log_handler ntfs_log_handler_null __attribute__((format(printf, 6, 0)));
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ntfs_log_handler ntfs_log_handler_stdout __attribute__((format(printf, 6, 0)));
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ntfs_log_handler ntfs_log_handler_outerr __attribute__((format(printf, 6, 0)));
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ntfs_log_handler ntfs_log_handler_stderr __attribute__((format(printf, 6, 0)));
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/* Enable/disable certain log levels */
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u32 ntfs_log_set_levels(u32 levels);
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u32 ntfs_log_clear_levels(u32 levels);
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u32 ntfs_log_get_levels(void);
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/* Enable/disable certain log flags */
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u32 ntfs_log_set_flags(u32 flags);
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u32 ntfs_log_clear_flags(u32 flags);
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u32 ntfs_log_get_flags(void);
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/* Turn command-line options into logging flags */
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BOOL ntfs_log_parse_option(const char *option);
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int ntfs_log_redirect(const char *function, const char *file, int line,
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u32 level, void *data, const char *format, ...)
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__attribute__((format(printf, 6, 7)));
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/* Logging levels - Determine what gets logged */
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#define NTFS_LOG_LEVEL_DEBUG (1 << 0) /* x = 42 */
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#define NTFS_LOG_LEVEL_TRACE (1 << 1) /* Entering function x() */
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#define NTFS_LOG_LEVEL_QUIET (1 << 2) /* Quietable output */
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#define NTFS_LOG_LEVEL_INFO (1 << 3) /* Volume needs defragmenting */
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#define NTFS_LOG_LEVEL_VERBOSE (1 << 4) /* Forced to continue */
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#define NTFS_LOG_LEVEL_PROGRESS (1 << 5) /* 54% complete */
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#define NTFS_LOG_LEVEL_WARNING (1 << 6) /* You should backup before starting */
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#define NTFS_LOG_LEVEL_ERROR (1 << 7) /* Operation failed, no damage done */
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#define NTFS_LOG_LEVEL_PERROR (1 << 8) /* Message : standard error description */
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#define NTFS_LOG_LEVEL_CRITICAL (1 << 9) /* Operation failed,damage may have occurred */
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#define NTFS_LOG_LEVEL_ENTER (1 << 10) /* Enter a function */
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#define NTFS_LOG_LEVEL_LEAVE (1 << 11) /* Leave a function */
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/* Logging style flags - Manage the style of the output */
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#define NTFS_LOG_FLAG_PREFIX (1 << 0) /* Prefix messages with "ERROR: ", etc */
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#define NTFS_LOG_FLAG_FILENAME (1 << 1) /* Show the file origin of the message */
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#define NTFS_LOG_FLAG_LINE (1 << 2) /* Show the line number of the message */
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#define NTFS_LOG_FLAG_FUNCTION (1 << 3) /* Show the function name containing the message */
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#define NTFS_LOG_FLAG_ONLYNAME (1 << 4) /* Only display the filename, not the pathname */
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/* Macros to simplify logging. One for each level defined above.
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* Note, ntfs_log_debug/trace have effect only if DEBUG is defined.
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*/
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#define ntfs_log_critical(FORMAT, ARGS...) ntfs_log_redirect(__FUNCTION__,__FILE__,__LINE__,NTFS_LOG_LEVEL_CRITICAL,NULL,FORMAT,##ARGS)
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#define ntfs_log_error(FORMAT, ARGS...) ntfs_log_redirect(__FUNCTION__,__FILE__,__LINE__,NTFS_LOG_LEVEL_ERROR,NULL,FORMAT,##ARGS)
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#define ntfs_log_info(FORMAT, ARGS...) ntfs_log_redirect(__FUNCTION__,__FILE__,__LINE__,NTFS_LOG_LEVEL_INFO,NULL,FORMAT,##ARGS)
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#define ntfs_log_perror(FORMAT, ARGS...) ntfs_log_redirect(__FUNCTION__,__FILE__,__LINE__,NTFS_LOG_LEVEL_PERROR,NULL,FORMAT,##ARGS)
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#define ntfs_log_progress(FORMAT, ARGS...) ntfs_log_redirect(__FUNCTION__,__FILE__,__LINE__,NTFS_LOG_LEVEL_PROGRESS,NULL,FORMAT,##ARGS)
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#define ntfs_log_quiet(FORMAT, ARGS...) ntfs_log_redirect(__FUNCTION__,__FILE__,__LINE__,NTFS_LOG_LEVEL_QUIET,NULL,FORMAT,##ARGS)
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#define ntfs_log_verbose(FORMAT, ARGS...) ntfs_log_redirect(__FUNCTION__,__FILE__,__LINE__,NTFS_LOG_LEVEL_VERBOSE,NULL,FORMAT,##ARGS)
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#define ntfs_log_warning(FORMAT, ARGS...) ntfs_log_redirect(__FUNCTION__,__FILE__,__LINE__,NTFS_LOG_LEVEL_WARNING,NULL,FORMAT,##ARGS)
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/* By default debug and trace messages are compiled into the program,
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* but not displayed.
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*/
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#ifdef DEBUG
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#define ntfs_log_debug(FORMAT, ARGS...) ntfs_log_redirect(__FUNCTION__,__FILE__,__LINE__,NTFS_LOG_LEVEL_DEBUG,NULL,FORMAT,##ARGS)
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#define ntfs_log_trace(FORMAT, ARGS...) ntfs_log_redirect(__FUNCTION__,__FILE__,__LINE__,NTFS_LOG_LEVEL_TRACE,NULL,FORMAT,##ARGS)
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#define ntfs_log_enter(FORMAT, ARGS...) ntfs_log_redirect(__FUNCTION__,__FILE__,__LINE__,NTFS_LOG_LEVEL_ENTER,NULL,FORMAT,##ARGS)
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#define ntfs_log_leave(FORMAT, ARGS...) ntfs_log_redirect(__FUNCTION__,__FILE__,__LINE__,NTFS_LOG_LEVEL_LEAVE,NULL,FORMAT,##ARGS)
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#else
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#define ntfs_log_debug(FORMAT, ARGS...)do {} while (0)
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#define ntfs_log_trace(FORMAT, ARGS...)do {} while (0)
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#define ntfs_log_enter(FORMAT, ARGS...)do {} while (0)
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#define ntfs_log_leave(FORMAT, ARGS...)do {} while (0)
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#endif /* DEBUG */
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#endif /* _LOGGING_H_ */
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