Source: ../../libxorp/random.h


 
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/* -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
 * vim:set sts=4 ts=8:
 *
 * Copyright (c) 2001-2008 XORP, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software")
 * to deal in the Software without restriction, subject to the conditions
 * listed in the XORP LICENSE file. These conditions include: you must
 * preserve this copyright notice, and you cannot mention the copyright
 * holders in advertising related to the Software without their permission.
 * The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
 * notice is a summary of the XORP LICENSE file; the license in that file is
 * legally binding.
 */

/*
 * $XORP: xorp/libxorp/random.h,v 1.8 2008/07/23 05:10:53 pavlin Exp $
 */

#ifndef __LIBXORP_RANDOM_H__
#define __LIBXORP_RANDOM_H__

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Define the maximum bound of the random() function
 * as per 4.2BSD / SUSV2:
 * http://www.opengroup.org/onlinepubs/007908799/xsh/initstate.html
 */
#define XORP_RANDOM_MAX		0x7FFFFFFF  /* 2^31 - 1 in 2's complement */

long	xorp_random(void);
void	xorp_srandom(unsigned long);
char*	xorp_initstate(unsigned long, char *, long);
char*	xorp_setstate(char *);
void	xorp_srandomdev(void);

#ifdef __cplusplus
}
#endif

#endif /* __LIBXORP_RANDOM_H__ */

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