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/** @file
* IPRT - Random Numbers and Byte Streams.
*/
/*
* Copyright (C) 2006-2007 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
#ifndef ___iprt_rand_h
#define ___iprt_rand_h
#include <iprt/cdefs.h>
#include <iprt/types.h>
__BEGIN_DECLS
/** @defgroup grp_rt_rand RTRand - Random Numbers and Byte Streams
* @ingroup grp_rt
* @{
*/
/**
* Fills a buffer with random bytes.
*
* @param pv Where to store the random bytes.
* @param cb Number of bytes to generate.
*/
RTDECL(void) RTRandBytes(void *pv, size_t cb);
/**
* Generate a 32-bit signed random number in the set [i32First..i32Last].
*
* @returns The random number.
* @param i32First First number in the set.
* @param i32Last Last number in the set.
*/
RTDECL(int32_t) RTRandS32Ex(int32_t i32First, int32_t i32Last);
/**
* Generate a 32-bit signed random number.
*
* @returns The random number.
*/
RTDECL(int32_t) RTRandS32(void);
/**
* Generate a 32-bit unsigned random number in the set [u32First..u32Last].
*
* @returns The random number.
* @param u32First First number in the set.
* @param u32Last Last number in the set.
*/
RTDECL(uint32_t) RTRandU32Ex(uint32_t u32First, uint32_t u32Last);
/**
* Generate a 32-bit unsigned random number.
*
* @returns The random number.
*/
RTDECL(uint32_t) RTRandU32(void);
/**
* Generate a 64-bit signed random number in the set [i64First..i64Last].
*
* @returns The random number.
* @param i64First First number in the set.
* @param i64Last Last number in the set.
*/
RTDECL(int64_t) RTRandS64Ex(int64_t i64First, int64_t i64Last);
/**
* Generate a 64-bit signed random number.
*
* @returns The random number.
*/
RTDECL(int64_t) RTRandS64(void);
/**
* Generate a 64-bit unsigned random number in the set [u64First..u64Last].
*
* @returns The random number.
* @param u64First First number in the set.
* @param u64Last Last number in the set.
*/
RTDECL(uint64_t) RTRandU64Ex(uint64_t u64First, uint64_t u64Last);
/**
* Generate a 64-bit unsigned random number.
*
* @returns The random number.
*/
RTDECL(uint64_t) RTRandU64(void);
/** @} */
__END_DECLS
#endif
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