sc/logger/log_example.c

#define SC_LOG_PRINT_FILE_NAME

#include "sc_log.h"

int log_callback(void *arg, enum sc_log_level level, const char *fmt,
		 va_list va)
{
	const char *my_app = arg;
	const char *level_str = sc_log_levels[level].str;

	fprintf(stdout, " %s received log : level = [%s] ", my_app, level_str);
	vfprintf(stdout, fmt, va);

	return 0;
}

int main()
{
	const char *my_app_name = "my app";

	sc_log_init(); // Call once when your app starts.

	// Default log-level is 'info' and default destination is 'stdout'
	sc_log_info("Hello world!\n");

	// Enable logging to file.
	sc_log_set_file("log.0.txt", "log-latest.txt");

	// stdout and file will get the log line
	sc_log_info("to stdout and file!\n");

	// Enable callback
	sc_log_set_callback((void *) my_app_name, log_callback);

	// stdout, file and callback will get the log line
	sc_log_info("to all!\n");

	sc_log_term(); // Call once on shutdown.

	return 0;
}