eina_log_03.c

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eina_log_03.c
//Compile with:
//gcc -Wall -o eina_log_03 eina_log_03.c `pkg-config --cflags --libs eina`
#include <stdlib.h>
#include <stdio.h>
#include <Eina.h>
#define log(fmt, ...) \
eina_log_print(EINA_LOG_LEVEL_ERR, __FILE__, __func__, __LINE__, fmt, ##__VA_ARGS__)
typedef struct _Data Data;
struct _Data
{
int to_stderr;
};
void print_cb(const Eina_Log_Domain *domain,
Eina_Log_Level level EINA_UNUSED,
const char *file,
const char *fnc,
int line,
const char *fmt,
void *data,
va_list args)
{
Data *d;
FILE *output;
char *str;
d = (Data*)data;
if (d->to_stderr)
{
output = stderr;
str = "stderr";
}
else
{
output = stdout;
str = "stdout";
}
fprintf(output, "%s:%s:%s (%d) %s: ",
domain->domain_str, file, fnc, line, str);
vfprintf(output, fmt, args);
putc('\n', output);
}
void test(Data *data, int i)
{
if (i < 0)
data->to_stderr = 0;
else
data->to_stderr = 1;
EINA_LOG_INFO("Log message...");
}
int main(void)
{
Data data;
if (!eina_init())
{
printf("log during the initialization of Eina_Log module\n");
return EXIT_FAILURE;
}
eina_log_print_cb_set(print_cb, &data);
test(&data, -1);
test(&data, 0);
eina_shutdown();
return EXIT_SUCCESS;
}
Eina.h
Eina Utility library.
eina_log_print_cb_set
EINA_API void eina_log_print_cb_set(Eina_Log_Print_Cb cb, void *data)
Sets logging method to use.
Definition: eina_log.c:1715
Eina_Log_Level
enum _Eina_Log_Level Eina_Log_Level
List of available logging levels.
EINA_LOG_INFO
#define EINA_LOG_INFO(fmt,...)
Logs a message with level INFO on the default domain with the specified format.
Definition: eina_log.h:384
eina_shutdown
EINA_API int eina_shutdown(void)
Shuts down the Eina library.
Definition: eina_main.c:379
eina_init
EINA_API int eina_init(void)
Initializes the Eina library.
Definition: eina_main.c:291
EINA_UNUSED
#define EINA_UNUSED
Used to indicate that a function parameter is purposely unused.
Definition: eina_types.h:339
_Eina_Log_Domain
The domain used for logging.
Definition: eina_log.h:414
_Eina_Log_Domain::domain_str
const char * domain_str
Formatted string with color to print.
Definition: eina_log.h:416