1169689Skan/* 2252080Spfg * Copyright (C) 2003 Sean Chittenden <seanc@FreeBSD.org> 3169689Skan * All rights reserved. 4169689Skan * 5169689Skan * Redistribution and use in source and binary forms, with or without 6169689Skan * modification, are permitted provided that the following conditions 7169689Skan * are met: 8169689Skan * 1. Redistributions of source code must retain the above copyright 9169689Skan * notice, this list of conditions and the following disclaimer. 10169689Skan * 2. Redistributions in binary form must reproduce the above copyright 11169689Skan * notice, this list of conditions and the following disclaimer in the 12169689Skan * documentation and/or other materials provided with the distribution. 13169689Skan * 14169689Skan * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 15169689Skan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16169689Skan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17169689Skan * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 18169689Skan * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19169689Skan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20169689Skan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21169689Skan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22169689Skan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23169689Skan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24169689Skan * SUCH DAMAGE. 25169689Skan * 26169689Skan * $FreeBSD$ 27169689Skan */ 28169689Skan 29169689Skan#ifndef __RANDOMIZE_FD__ 30169689Skan#define __RANDOMIZE_FD__ 31169689Skan 32169689Skan/* 33169689Skan * The random() function is defined to return values between 0 and 34169689Skan * 2^31 - 1 inclusive in random(3). 35169689Skan */ 36169689Skan#define RANDOM_MAX_PLUS1 0x80000000UL 37169689Skan 38169689Skan#define RANDOM_TYPE_UNSET 0 39169689Skan#define RANDOM_TYPE_LINES 1 40169689Skan#define RANDOM_TYPE_WORDS 2 41169689Skan 42169689Skan/* The multiple instance single integer key */ 43169689Skanstruct rand_node { 44169689Skan u_char *cp; 45169689Skan u_int len; 46169689Skan struct rand_node *next; 47169689Skan}; 48169689Skan 49169689Skanint randomize_fd(int fd, int type, int unique, double denom); 50169689Skan 51169689Skan#endif 52169689Skan