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Alexandre Lision94f06ba2013-12-09 16:28:33 -05001/* $Id$ */
Tristan Matthews0a329cc2013-07-17 13:20:14 -04002/*
3 * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
4 * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20#ifndef __PJ_RAND_H__
21#define __PJ_RAND_H__
22
23/**
24 * @file rand.h
25 * @brief Random Number Generator.
26 */
27
28#include <pj/config.h>
29
30PJ_BEGIN_DECL
31
32
33/**
34 * @defgroup PJ_RAND Random Number Generator
35 * @ingroup PJ_MISC
36 * @{
37 * This module contains functions for generating random numbers.
38 * This abstraction is needed not only because not all platforms have
39 * \a rand() and \a srand(), but also on some platforms \a rand()
40 * only has 16-bit randomness, which is not good enough.
41 */
42
43/**
44 * Put in seed to random number generator.
45 *
46 * @param seed Seed value.
47 */
48PJ_DECL(void) pj_srand(unsigned int seed);
49
50
51/**
52 * Generate random integer with 32bit randomness.
53 *
54 * @return a random integer.
55 */
56PJ_DECL(int) pj_rand(void);
57
58
59/** @} */
60
61
62PJ_END_DECL
63
64
65#endif /* __PJ_RAND_H__ */
66