logger.c

/*
 * Name        : logger.c
 * Project     : Allen temporal logic: seminar schedule verifier
 * Author      : David Hildenbrand, Tobias Schoknecht
 * Copyright   : David Hildenbrand, Tobias Schoknecht 2012
 * ----------------------------------------------------------------------------
 * "THE BEER-WARE LICENSE" (Revision 42):
 * david.hildenbrand@gmail.com and tobias.schoknecht@gmail.com wrote this file.
 * As long as you retain this notice you can do whatever you want with this
 * stuff. If we meet some day, and you think this stuff is worth it, you can
 * buy us a beer in return David Hildenbrand, Tobias Schoknecht
 * ----------------------------------------------------------------------------
 */

#include "logger.h"
#include <stdio.h>
#include <stdarg.h>

void log(enum log_level level, char* format, ...) {
	va_list args;
	va_start(args, format);

	char* type = NULL;

	switch (level) {
	case INFO:
		type = "INFO";
		break;
	case WARN:
		type = "WARNING";
		break;
	case ERROR:
		type = "ERROR";
		break;
	default:
		type = "UNKNOWN";
		break;
	}

	FILE *out = stdout;

	if (level == ERROR) {
		out = stderr;
	}

	fprintf(out, "%s\t: ", type);
	vfprintf(out, format, args);

	fprintf(out, "\n");

	fflush(out);

	va_end(args);
}

void log_filled_line(char del) {
	char buffer[51];
	int i;

	for (i = 0; i < 50; ++i) {
		buffer[i] = del;
	}
	buffer[50] = '\0';

	log(INFO, "%s", buffer);
}