strtonumtest.c

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/*	$OpenBSD: strtonumtest.c,v 1.1 2004/08/03 20:38:36 otto Exp $	*/
/*
 * Copyright (c) 2004 Otto Moerbeek <[e-mail]>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/* OPENBSD ORIGINAL: regress/lib/libc/strtonum/strtonumtest.c */

#include <limits.h>
#include <stdio.h>
#include <stdlib.h>

int fail;

void
test(const char *p, long long lb, long long ub, int ok)
{
	long long val;
	const char *q;

	val = strtonum(p, lb, ub, &q);
	if (ok && q != NULL) {
		fprintf(stderr, "%s [%lld-%lld] ", p, lb, ub);
		fprintf(stderr, "NUMBER NOT ACCEPTED %s\n", q);
		fail = 1;
	} else if (!ok && q == NULL) {
		fprintf(stderr, "%s [%lld-%lld] %lld ", p, lb, ub, val);
		fprintf(stderr, "NUMBER ACCEPTED\n");
		fail = 1;
	}
}

int main(int argc, char *argv[])
{
	test("1", 0, 10, 1);
	test("0", -2, 5, 1);
	test("0", 2, 5, 0);
	test("0", 2, LLONG_MAX, 0);
	test("-2", 0, LLONG_MAX, 0);
	test("0", -5, LLONG_MAX, 1);
	test("-3", -3, LLONG_MAX, 1);
	test("-9223372036854775808", LLONG_MIN, LLONG_MAX, 1);
	test("9223372036854775807", LLONG_MIN, LLONG_MAX, 1);
	test("-9223372036854775809", LLONG_MIN, LLONG_MAX, 0);
	test("9223372036854775808", LLONG_MIN, LLONG_MAX, 0);
	test("1000000000000000000000000", LLONG_MIN, LLONG_MAX, 0);
	test("-1000000000000000000000000", LLONG_MIN, LLONG_MAX, 0);
	test("-2", 10, -1, 0);
	test("-2", -10, -1, 1);
	test("-20", -10, -1, 0);
	test("20", -10, -1, 0);

	return (fail);
}