1*8a272653SPeter Holm /*-
2*8a272653SPeter Holm * Copyright (c) 2008 Peter Holm <pho@FreeBSD.org>
3*8a272653SPeter Holm * All rights reserved.
4*8a272653SPeter Holm *
5*8a272653SPeter Holm * Redistribution and use in source and binary forms, with or without
6*8a272653SPeter Holm * modification, are permitted provided that the following conditions
7*8a272653SPeter Holm * are met:
8*8a272653SPeter Holm * 1. Redistributions of source code must retain the above copyright
9*8a272653SPeter Holm * notice, this list of conditions and the following disclaimer.
10*8a272653SPeter Holm * 2. Redistributions in binary form must reproduce the above copyright
11*8a272653SPeter Holm * notice, this list of conditions and the following disclaimer in the
12*8a272653SPeter Holm * documentation and/or other materials provided with the distribution.
13*8a272653SPeter Holm *
14*8a272653SPeter Holm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*8a272653SPeter Holm * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*8a272653SPeter Holm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*8a272653SPeter Holm * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*8a272653SPeter Holm * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*8a272653SPeter Holm * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*8a272653SPeter Holm * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*8a272653SPeter Holm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*8a272653SPeter Holm * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*8a272653SPeter Holm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*8a272653SPeter Holm * SUCH DAMAGE.
25*8a272653SPeter Holm *
26*8a272653SPeter Holm */
27*8a272653SPeter Holm
28*8a272653SPeter Holm #include <sys/types.h>
29*8a272653SPeter Holm #include <stdlib.h>
30*8a272653SPeter Holm #include "stress.h"
31*8a272653SPeter Holm
32*8a272653SPeter Holm int
random_int(int mi,int ma)33*8a272653SPeter Holm random_int(int mi, int ma)
34*8a272653SPeter Holm {
35*8a272653SPeter Holm return (arc4random() % (ma - mi + 1) + mi);
36*8a272653SPeter Holm }
37*8a272653SPeter Holm
38*8a272653SPeter Holm #ifdef TEST
39*8a272653SPeter Holm #include <stdio.h>
40*8a272653SPeter Holm int
main()41*8a272653SPeter Holm main()
42*8a272653SPeter Holm {
43*8a272653SPeter Holm int i, j, min, max, r;
44*8a272653SPeter Holm min = 100;
45*8a272653SPeter Holm max = 1;
46*8a272653SPeter Holm for (i = 0; i < 10000; i++) {
47*8a272653SPeter Holm j += (r = random_int(1,100));
48*8a272653SPeter Holm if (max < r)
49*8a272653SPeter Holm max = r;
50*8a272653SPeter Holm if (min > r)
51*8a272653SPeter Holm min = r;
52*8a272653SPeter Holm }
53*8a272653SPeter Holm printf("Average is %d, min = %d, max = %d\n", j / 10000, min, max);
54*8a272653SPeter Holm return (0);
55*8a272653SPeter Holm }
56*8a272653SPeter Holm #endif
57