Log message infrastructure.
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#include <libexif/exif-mem.h>
#include <stdarg.h>
Go to the source code of this file.
Defines |
#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.
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typedef void(* | ExifLogFunc )(ExifLog *log, ExifLogCode, const char *domain, const char *format, va_list args, void *data) |
| Log callback function prototype.
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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.
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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.
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const char * | exif_log_code_get_title (ExifLogCode code) |
| Return a textual description of the given class of error log.
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const char * | exif_log_code_get_message (ExifLogCode code) |
| Return a verbose description of the given class of error log.
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void | exif_log_set_func (ExifLog *log, ExifLogFunc func, void *data) |
| Register log callback function.
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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.
Function Documentation
const char* exif_log_code_get_message |
( |
ExifLogCode |
code | ) |
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Return a verbose description of the given class of error log.
- Parameters:
-
[in] | code | logging message class |
- Returns:
- verbose description of the log class
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
void exif_log_free |
( |
ExifLog * |
log | ) |
|
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 |