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14d2841b53
prng32_bounded() is available to kernel only on FreeBSD 13+. Call inline random_get_pseudo_bytes() with correct pointer type. To be consistent, apply to Linux as well. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Alexander Motin <mav@FreeBSD.org> Signed-off-by: Martin Matuska <mm@FreeBSD.org> Closes #12282
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/*
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* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
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* Copyright (C) 2007 The Regents of the University of California.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* UCRL-CODE-235197
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*
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* This file is part of the SPL, Solaris Porting Layer.
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*
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* The SPL is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* The SPL is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the SPL. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SPL_RANDOM_H
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#define _SPL_RANDOM_H
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#include <linux/module.h>
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#include <linux/random.h>
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static __inline__ int
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random_get_bytes(uint8_t *ptr, size_t len)
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{
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get_random_bytes((void *)ptr, (int)len);
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return (0);
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}
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extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
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static __inline__ uint32_t
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random_in_range(uint32_t range)
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{
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uint32_t r;
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ASSERT(range != 0);
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if (range == 1)
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return (0);
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(void) random_get_pseudo_bytes((uint8_t *)&r, sizeof (r));
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return (r % range);
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}
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#endif /* _SPL_RANDOM_H */
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