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/*! \file exif-log.h
* \brief log message infrastructure
*
* Copyright © 2004 Lutz Müller <lutz@users.sourceforge.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 __EXIF_LOG_H__
#define __EXIF_LOG_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <libexif/exif-mem.h>
#include <stdarg.h>
typedef struct _ExifLog ExifLog;
ExifLog *exif_log_new (void);
ExifLog *exif_log_new_mem (ExifMem *);
void exif_log_ref (ExifLog *log);
void exif_log_unref (ExifLog *log);
void exif_log_free (ExifLog *log);
typedef enum {
EXIF_LOG_CODE_NONE,
EXIF_LOG_CODE_DEBUG,
EXIF_LOG_CODE_NO_MEMORY,
EXIF_LOG_CODE_CORRUPT_DATA
} ExifLogCode;
const char *exif_log_code_get_title (ExifLogCode); /* Title for dialog */
const char *exif_log_code_get_message (ExifLogCode); /* Message for dialog */
/** Log callback function prototype.
*/
typedef void (* ExifLogFunc) (ExifLog *log, ExifLogCode, const char *domain,
const char *format, va_list args, void *data);
/** Register log callback function.
*/
void exif_log_set_func (ExifLog *log, ExifLogFunc func, void *data);
void exif_log (ExifLog *log, ExifLogCode, const char *domain,
const char *format, ...)
#ifdef __GNUC__
__attribute__((__format__(printf,4,5)))
#endif
;
void exif_logv (ExifLog *log, ExifLogCode, const char *domain,
const char *format, va_list args);
/* For your convenience */
#define EXIF_LOG_NO_MEMORY(l,d,s) exif_log (l, EXIF_LOG_CODE_NO_MEMORY, d, "Could not allocate %i byte(s).", s)
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __EXIF_LOG_H__ */
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