/*
 * util.c - commonly used utility functions.
 */

#include "util.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void *checked_malloc(int len)
{
	void *p = malloc(len);
	if (!p) {
		fprintf(stderr, "\nRan out of memory!\n");
		exit(1);
	}
	return p;
}

string String(char *s)
{
	string p = checked_malloc(strlen(s) + 1);
	strcpy(p, s);
	return p;
}

U_boolList U_BoolList(bool head, U_boolList tail)
{
	U_boolList list = checked_malloc(sizeof(*list));
	list->head = head;
	list->tail = tail;
	return list;
}