C/C++ - printf() wrapper in macro

simple_log.cpp

#include <stdio.h>

#define GET_MACRO(_1,_2,NAME,...) NAME

/**
 * @brief Info logs
 * 
 */
// prints date, time, tag name, INFO in bold green color before actual message 
#define LOGI2(tag, ...)    printf("%s %s [%s]", __DATE__, __TIME__, tag); printf(" \033[1;32mINFO\033[0m "); printf(__VA_ARGS__); fflush(stdout);
// prints time, file name, line number, INFO in normal green color before actual message 
#define LOGI1(...)  printf("%s %s:%d", __TIME__, __FILE__, __LINE__); printf(" \033[0;32mINFO\033[0m "); printf(__VA_ARGS__); fflush(stdout);
// This chooses one of the two above functions based on arguments
#define LOGI(...)  GET_MACRO(__VA_ARGS__, LOGI2, LOGI1)(__VA_ARGS__)

/**
 * @brief Debug logs
 * 
 */
// prints date, time, tag name, DEBUG in bold yellow color before actual message 
#define LOGD2(tag, ...)    printf("%s %s [%s]", __DATE__, __TIME__, tag); printf(" \033[1;33mDEBUG\033[0m "); printf(__VA_ARGS__); fflush(stdout);
// prints time, file name, line number, DEBUG in normal yellow color before actual message 
#define LOGD1(...)  printf("%s %s:%d", __TIME__, __FILE__, __LINE__); printf(" \033[0;33mDEBUG\033[0m "); printf(__VA_ARGS__); fflush(stdout);
// This chooses one of the two above functions based on arguments
#define LOGD(...)  GET_MACRO(__VA_ARGS__, LOGD2, LOGD1)(__VA_ARGS__)


int main() {
    LOGI("main", "This is an info log\n");
    LOGI("Hi\n\n");

    LOGD("main", "This is a debug log\n");
    LOGD("Hi\n");
}

Compile the file & run:

g++ simple_log.cpp -o a.out
./a.out