21#ifndef __GPHOTO2_PORT_LOG_H__
22#define __GPHOTO2_PORT_LOG_H__
46#define GP_LOG_ALL GP_LOG_DATA
63#ifndef DISABLE_DEBUGGING
70 const char *format, ...)
72 __attribute__((__format__(printf,3,4)))
75void gp_log_with_source_location(
76 GPLogLevel level,
const char *file,
int line,
const char *func,
77 const char *format, ...)
79 __attribute__((__format__(printf,5,6)))
85 __attribute__((__format__(printf,3,0)))
88void gp_log_data (
const char *domain,
const char *data,
unsigned int size,
89 const char *format, ...)
91__attribute__((__format__(printf,4,5)))
106#ifdef _GPHOTO2_INTERNAL_CODE
107#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
108#define GP_DEBUG(...) \
109 gp_log(GP_LOG_DEBUG, GP_MODULE "/" __FILE__, __VA_ARGS__)
116#define GP_LOG_D(...) gp_log(GP_LOG_DEBUG, __func__, __VA_ARGS__)
117#define GP_LOG_E(...) gp_log_with_source_location(GP_LOG_ERROR, __FILE__, __LINE__, __func__, __VA_ARGS__)
118#define GP_LOG_DATA(DATA, SIZE, MSG, ...) gp_log_data(__func__, DATA, SIZE, MSG, ##__VA_ARGS__)
120#elif defined(__GNUC__) && __GNUC__ >= 2
121#define GP_DEBUG(msg, params...) \
122 gp_log(GP_LOG_DEBUG, GP_MODULE "/" __FILE__, msg, ##params)
128#define GP_LOG_D(...) gp_log(GP_LOG_DEBUG, __func__, __VA_ARGS__)
129#define GP_LOG_E(...) gp_log_with_source_location(GP_LOG_ERROR, __FILE__, __LINE__, __func__, __VA_ARGS__)
130#define GP_LOG_DATA(DATA, SIZE, MSG, ...) gp_log_data(__func__, DATA, SIZE, MSG, ##__VA_ARGS__)
134# warning Disabling GP_DEBUG because variadic macros are not allowed
136#define GP_DEBUG (void)
139#define GP_LOG_DATA(DATA, SIZE, ...)
146#define gp_log_add_func(level, func, data) (0)
147#define gp_log_remove_func(id) (0)
148#define gp_log(level, domain, format, args...)
149#define gp_log_with_source_location(level, file, line, func, format, ...)
150#define gp_logv(level, domain, format, args)
151#define gp_log_data(domain, data, size)
153#ifdef _GPHOTO2_INTERNAL_CODE
154#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
158#define GP_LOG_DATA(DATA, SIZE, ...)
160#elif defined(__GNUC__)
161#define GP_DEBUG(msg, params...)
164#define GP_LOG_DATA(DATA, SIZE, ...)
166#define GP_DEBUG (void)
167#define GP_LOG_D (void
168#define GP_LOG_E (void)
169#define GP_LOG_DATA(void)
175#ifdef _GPHOTO2_INTERNAL_CODE
177 typedef struct StringFlagItem {
182 typedef void (*string_item_func) (
const char *str,
void *data);
185 gpi_enum_to_string(
const unsigned int _enum,
186 const StringFlagItem *map);
189 gpi_string_to_enum(
const char *str,
190 unsigned int *result,
191 const StringFlagItem *map);
194 gpi_flags_to_string_list(
const unsigned int flags,
195 const StringFlagItem *map,
196 string_item_func func,
void *data);
199 gpi_string_or_to_flags(
const char *str,
201 const StringFlagItem *map);
204 gpi_string_to_flag(
const char *str,
205 const StringFlagItem *map);
208 gpi_string_list_to_flags(
const char *str[],
209 const StringFlagItem *map);
215 gpi_vsnprintf (
const char* format, va_list args);
217#define C_MEM(MEM) do {\
218 if ((MEM) == NULL) {\
219 GP_LOG_E ("Out of memory: '%s' failed.", #MEM);\
220 return GP_ERROR_NO_MEMORY;\
224#define C_PARAMS(PARAMS) do {\
226 GP_LOG_E ("Invalid parameters: '%s' is NULL/FALSE.", #PARAMS);\
227 return GP_ERROR_BAD_PARAMETERS;\
231#define C_PARAMS_MSG(PARAMS, MSG, ...) do {\
233 GP_LOG_E ("Invalid parameters: " #MSG " ('%s' is NULL/FALSE.)", ##__VA_ARGS__, #PARAMS);\
234 return GP_ERROR_BAD_PARAMETERS;\
void gp_logv(GPLogLevel level, const char *domain, const char *format, va_list args)
Log a debug or error message with va_list.
Definition gphoto2-port-log.c:299
int gp_log_remove_func(int id)
Remove a logging receiving function.
Definition gphoto2-port-log.c:138
void(* GPLogFunc)(GPLogLevel level, const char *domain, const char *str, void *data)
Logging function hook.
Definition gphoto2-port-log.h:61
void gp_log(GPLogLevel level, const char *domain, const char *format,...)
Log a debug or error message.
Definition gphoto2-port-log.c:331
int gp_log_add_func(GPLogLevel level, GPLogFunc func, void *data)
Add a function to get logging information.
Definition gphoto2-port-log.c:82
GPLogLevel
Logging level Specifies the logging severity level.
Definition gphoto2-port-log.h:30
@ GP_LOG_VERBOSE
Log message is an verbose debug information.
Definition gphoto2-port-log.h:32
@ GP_LOG_ERROR
Log message is an error information.
Definition gphoto2-port-log.h:31
@ GP_LOG_DATA
Log message is a data hex dump.
Definition gphoto2-port-log.h:34
@ GP_LOG_DEBUG
Log message is an debug information.
Definition gphoto2-port-log.h:33
void gp_log_data(const char *domain, const char *data, unsigned int size, const char *format,...)
Log data.
Definition gphoto2-port-log.c:205