EXIF library (libexif) Internals: libexif/exif-log.h File Reference

EXIF library (libexif) Internals 0.6.26

Log message infrastructure. More...

#include <libexif/exif-mem.h>
#include <stdarg.h>

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Macros
#define	EXIF_LOG_NO_MEMORY(l, d, s) exif_log ((l), EXIF_LOG_CODE_NO_MEMORY, (d), "Could not allocate %lu byte(s).", (unsigned long)(s))

Typedefs
typedef struct _ExifLog	ExifLog
	State maintained by the logging interface.

typedef void(*	ExifLogFunc) (ExifLog log, ExifLogCode, const char domain, const char format, va_list args, void data)
	Log callback function prototype.

Enumerations
enum	ExifLogCode { EXIF_LOG_CODE_NONE , EXIF_LOG_CODE_DEBUG , EXIF_LOG_CODE_NO_MEMORY , EXIF_LOG_CODE_CORRUPT_DATA }

Functions
ExifLog *	exif_log_new (void)
	Create a new logging instance.

ExifLog *	exif_log_new_mem (ExifMem *)

void	exif_log_ref (ExifLog *log)

void	exif_log_unref (ExifLog *log)

void	exif_log_free (ExifLog *log)
	Delete instance of ExifLog.

const char *	exif_log_code_get_title (ExifLogCode code)
	Return a textual description of the given class of error log.

const char *	exif_log_code_get_message (ExifLogCode code)
	Return a verbose description of the given class of error log.

void	exif_log_set_func (ExifLog log, ExifLogFunc func, void data)
	Register log callback function.

void	exif_log (ExifLog log, ExifLogCode, const char domain, const char *format,...)

void	exif_logv (ExifLog log, ExifLogCode, const char domain, const char *format, va_list args)

Detailed Description

Log message infrastructure.

Definition in file exif-log.h.

Macro Definition Documentation

◆ EXIF_LOG_NO_MEMORY

#define EXIF_LOG_NO_MEMORY	(		l,
			d,
			s
	)		exif_log ((l), EXIF_LOG_CODE_NO_MEMORY, (d), "Could not allocate %lu byte(s).", (unsigned long)(s))

Definition at line 112 of file exif-log.h.

Typedef Documentation

◆ ExifLog

typedef struct _ExifLog ExifLog

State maintained by the logging interface.

Definition at line 36 of file exif-log.h.

◆ ExifLogFunc

typedef void(* ExifLogFunc) (ExifLog *log, ExifLogCode, const char *domain, const char *format, va_list args, void *data)

Log callback function prototype.

Definition at line 79 of file exif-log.h.

Enumeration Type Documentation

◆ ExifLogCode

enum ExifLogCode

Enumerator
EXIF_LOG_CODE_NONE
EXIF_LOG_CODE_DEBUG
EXIF_LOG_CODE_NO_MEMORY
EXIF_LOG_CODE_CORRUPT_DATA

Definition at line 56 of file exif-log.h.

Function Documentation

◆ exif_log()

void exif_log	(	ExifLog *	log,
		ExifLogCode	code,
		const char *	domain,
		const char *	format,
			...
	)

Definition at line 137 of file exif-log.c.

References code, exif_logv(), and format.

Referenced by exif_content_add_entry(), exif_content_fix(), exif_data_load_data(), exif_data_load_data_content(), exif_data_load_data_entry(), exif_data_load_data_thumbnail(), exif_data_save_data(), exif_data_save_data_content(), exif_data_save_data_entry(), exif_loader_get_buf(), exif_loader_write(), exif_loader_write_file(), exif_mnote_data_apple_load(), exif_mnote_data_canon_load(), exif_mnote_data_fuji_load(), exif_mnote_data_olympus_load(), exif_mnote_data_pentax_load(), exif_mnote_data_pentax_save(), fix_func(), interpret_maker_note(), log_null_test(), and remove_not_recorded().

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◆ exif_log_code_get_message()

const char * exif_log_code_get_message ( ExifLogCode code )

Return a verbose description of the given class of error log.

Parameters

[in] code logging message class

Returns: verbose description of the log class, or NULL if unknown

Definition at line 64 of file exif-log.c.

References _, code, codes, and message.

◆ exif_log_code_get_title()

const char * exif_log_code_get_title ( ExifLogCode code )

Return a textual description of the given class of error log.

Parameters

[in] code logging message class

Returns: textual description of the log class, or NULL if unknown

Definition at line 55 of file exif-log.c.

References _, code, codes, and title.

◆ exif_log_free()

void exif_log_free ( ExifLog * log )

Delete instance of ExifLog.

See also: exif_log_new

Parameters

[in] log ExifLog

Returns: new instance of ExifLog

Definition at line 114 of file exif-log.c.

References exif_mem_free(), exif_mem_unref(), and _ExifLog::mem.

Referenced by exif_log_unref(), and log_null_test().

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◆ exif_log_new()

ExifLog * exif_log_new ( void )

Create a new logging instance.

See also: exif_log_free

Returns: new instance of ExifLog

Definition at line 88 of file exif-log.c.

References exif_log_new_mem(), exif_mem_new_default(), and exif_mem_unref().

Referenced by log_null_test(), main(), and test_parse().

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◆ exif_log_new_mem()

ExifLog * exif_log_new_mem ( ExifMem * mem )

Definition at line 73 of file exif-log.c.

References exif_mem_alloc(), exif_mem_ref(), _ExifLog::mem, and _ExifLog::ref_count.

Referenced by exif_log_new(), and log_null_test().

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◆ exif_log_ref()

void exif_log_ref ( ExifLog * log )

Definition at line 99 of file exif-log.c.

References _ExifLog::ref_count.

Referenced by exif_content_log(), exif_data_log(), exif_loader_log(), exif_mnote_data_log(), and log_null_test().

◆ exif_log_set_func()

void exif_log_set_func	(	ExifLog *	log,
		ExifLogFunc	func,
		void *	data
	)

Register log callback function.

Calls to the log callback function are purely for diagnostic purposes.

Parameters

[in]	log	logging state variable
[in]	func	callback function to set
[in]	data	data to pass into callback function

Definition at line 125 of file exif-log.c.

References _ExifLog::data, and _ExifLog::func.

Referenced by log_null_test(), main(), and test_parse().

◆ exif_log_unref()

void exif_log_unref ( ExifLog * log )

Definition at line 106 of file exif-log.c.

References exif_log_free(), and _ExifLog::ref_count.

Referenced by exif_content_free(), exif_content_log(), exif_data_free(), exif_data_log(), exif_loader_free(), exif_loader_log(), exif_mnote_data_free(), exif_mnote_data_log(), and log_null_test().

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◆ exif_logv()

void exif_logv	(	ExifLog *	log,
		ExifLogCode	code,
		const char *	domain,
		const char *	format,
		va_list	args
	)

Definition at line 148 of file exif-log.c.

References code, _ExifLog::data, format, and _ExifLog::func.

Referenced by exif_entry_log(), exif_log(), and log_null_test().

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