Function main

freebsd/kern/subr_unit.c:1013–1086

}

int
main(int argc, char **argv)
{
	struct unrhdr *uh;
	char *a;
	long count = 10000;	/* Number of unrs to test */
	long reps = 1, m;
	int ch;
	u_int i;

	verbose = false;

	while ((ch = getopt(argc, argv, "hr:v")) != -1) {
		switch (ch) {
		case 'r':
			errno = 0;
			reps = strtol(optarg, NULL, 0);
			if (errno == ERANGE || errno == EINVAL) {
				usage(argv);
				exit(2);
			}

			break;
		case 'v':
			verbose = true;
			break;
		case 'h':
		default:
			usage(argv);
			exit(2);
		}
	}

	setbuf(stdout, NULL);
	uh = new_unrhdr(0, count - 1, NULL);
	print_unrhdr(uh);

	a = calloc(count, sizeof(char));
	if (a == NULL)
		err(1, "calloc failed");

	printf("sizeof(struct unr) %zu\n", sizeof(struct unr));
	printf("sizeof(struct unrb) %zu\n", sizeof(struct unrb));
	printf("sizeof(struct unrhdr) %zu\n", sizeof(struct unrhdr));
	printf("NBITS %lu\n", (unsigned long)NBITS);
	for (m = 0; m < count * reps; m++) {
		i = arc4random_uniform(count);
#if 0
		if (a[i] && (j & 1))
			continue;
#endif
		if ((arc4random() & 1) != 0)
			test_alloc_unr(uh, i, a);
		else
			test_alloc_unr_specific(uh, i, a);

		if (verbose)
			print_unrhdr(uh);