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/*
* Copyright (c) 1996, David Mazieres <dm@uun.org>
* Copyright (c) 2008, Damien Miller <djm@openbsd.org>
* Copyright (c) 2013, Markus Friedl <markus@openbsd.org>
* Copyright (c) 2014, Theo de Raadt <deraadt@openbsd.org>
* Copyright (c) 2015, Sudhi Herle <sudhi@herle.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef ___ARC4RANDOM_H_5000666_1462841354__
#define ___ARC4RANDOM_H_5000666_1462841354__ 1
/* Provide C linkage for symbols declared here .. */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <stdint.h>
#include <sys/types.h>
/*
* On OpenBSD - we should NOT use the same symbol names. OpenBSD
* libc defines these, and the rest of libc uses this - from dynamic
* loading, to malloc() to printf() etc.
*
* For some fun, don't redefine the names - and see what happens :-)
*/
#ifdef __OpenBSD__
#define arc4random mt_arc4random
#define arc4random_uniform mt_arc4random_uniform
#define arc4random_buf mt_arc4random_buf
#endif /* __OpenBSD__ */
/*
* Initialize generator with getentropy
*/
extern void arc4random_init(int (*) (void*, size_t));
/*
* Generate and return a random 32-bit number
*/
extern uint32_t arc4random(void);
/*
* Generate and return a uniformly random 32-bit quantity with an
* upper bound of 'upper_bound'
*/
extern uint32_t arc4random_uniform(uint32_t upper_bound);
/*
* Generate 'n' random bytes and put them in 'buf'.
*/
extern void arc4random_buf(void* buf, size_t n);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* ! ___ARC4RANDOM_H_5000666_1462841354__ */
/* EOF */
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