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/* Copyright (C) 2015 Bernhard Reutner-Fischer
* Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
*/
#ifndef _SYS_RANDOM_H
#define _SYS_RANDOM_H 1
#include <features.h>
#include <stddef.h>
__BEGIN_DECLS
#include <bits/types.h>
#ifndef __ssize_t_defined
typedef __ssize_t ssize_t;
# define __ssize_t_defined
#endif
#if defined __UCLIBC_LINUX_SPECIFIC__
# if 0 /*def __ASSUME_GETRANDOM_SYSCALL */
# include <linux/random.h>
# else
# undef GRND_NONBLOCK
# undef GRND_RANDOM
/*
* Flags for getrandom(2)
*
* GRND_NONBLOCK Don't block and return EAGAIN instead
* GRND_RANDOM Use the /dev/random pool instead of /dev/urandom
* GRND_INSECURE Write random data that may not be cryptographically secure.
*/
# define GRND_NONBLOCK 0x0001
# define GRND_RANDOM 0x0002
# define GRND_INSECURE 0x0004
# endif
extern ssize_t getrandom(void *__buf, size_t count, unsigned int flags)
__nonnull ((1)) __wur;
/* OpenBSD-compatible access to random bytes.
May be a cancellation point here, unlike in glibc/musl. */
# ifndef __getentropy_defined
extern int getentropy(void *__buf, size_t __len) __nonnull ((1)) __wur;
# define __getentropy_defined
# endif
#endif
__END_DECLS
#endif /* sys/random.h */
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