Simple but cute GCC logging facilities

logging.h

#include <stdio.h>

#ifndef VERBOSITY_LEVEL
#define VERBOSITY_LEVEL 3
#endif

#define _stringify2(n) #n
#define _stringify(n) _stringify2(n)
#define PRINT_MESSAGE(type, color, fmt, ...) printf("\033[0;" color "m" \
        __FILE__ "@" _stringify(__LINE__) " \033[1;" color "m" type ":\033[0;" \
        color "m " fmt "\033[0m\n", ##__VA_ARGS__)

#if VERBOSITY_LEVEL >= 0
#define E(...) PRINT_MESSAGE("ERROR", "31", __VA_ARGS__)
#else
#define E(...)
#endif

#if VERBOSITY_LEVEL >= 1
#define W(...) PRINT_MESSAGE("WARN", "33", __VA_ARGS__)
#else
#define W(...) 
#endif

#if VERBOSITY_LEVEL >= 2
#define I(...) PRINT_MESSAGE("INFO", "36", __VA_ARGS__)
#else
#define I(...) 
#endif

#if VERBOSITY_LEVEL >= 3
#define D(...) PRINT_MESSAGE("DEBUG", "35", __VA_ARGS__)
#else
#define D(...) 
#endif