Added logging system, but still not used

src/utils.c

@@ -14,6 +14,64 @@
 
 char _ERROR_BUFFER[ERROR_BUFFER_SIZE];
 
+log_level_t _LOG_LEVEL = LOG_LEVEL_INFO;
+
+void set_log_level(log_level_t level) {
+	_LOG_LEVEL = level;
+}
+
+void log_message(log_level_t level, const char* format, ...) {
+	// Check that the log level is high enough
+	if (level < _LOG_LEVEL)
+		return;
+
+	// Convert the log level to a color and a string
+	const char* color_str;
+	const char* level_str;
+
+	switch (level) {
+	case LOG_LEVEL_DEBUG:
+		color_str = "\033[0m";
+		level_str = "DEBUG";
+		break;
+	case LOG_LEVEL_INFO:
+		color_str = "\033[36m";
+		level_str = "INFO";
+		break;
+	case LOG_LEVEL_WARNING:
+		color_str = "\033[33m";
+		level_str = "WARNING";
+		break;
+	case LOG_LEVEL_ERROR:
+		color_str = "\033[31m";
+		level_str = "ERROR";
+		break;
+	default:
+		color_str = "\033[0m";
+		level_str = "UNKNOWN";
+		break;
+	}
+
+	// Get the current time
+	time_t t = time(NULL);
+	struct tm* tm = localtime(&t);
+
+	// Print the log message
+	fprintf(stderr, "%s[%02d/%02d/%04d %02d:%02d:%02d - %s]\033[0m ", color_str, tm->tm_mday, tm->tm_mon + 1, tm->tm_year + 1900, tm->tm_hour, tm->tm_min, tm->tm_sec, level_str);
+
+	va_list args;
+	va_start(args, format);
+
+	vfprintf(stderr, format, args);
+
+	va_end(args);
+
+	fprintf(stderr, "\n");
+
+	// Flush the standard error stream
+	fflush(stderr);
+}
+
 result_t success(void) {
 	return EXIT_SUCCESS;
 }