random.h

 1/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
 2/*
 3 * random definitions for NOLIBC
 4 * Copyright (C) 2025 Thomas Weißschuh <thomas.weissschuh@linutronix.de>
 5 */
 6
 7/* make sure to include all global symbols */
 8#include "../nolibc.h"
 9
10#ifndef _NOLIBC_SYS_RANDOM_H
11#define _NOLIBC_SYS_RANDOM_H
12
13#include "../arch.h"
14#include "../sys.h"
15
16#include <linux/random.h>
17
18/*
19 * ssize_t getrandom(void *buf, size_t buflen, unsigned int flags);
20 */
21
22static __attribute__((unused))
23ssize_t sys_getrandom(void *buf, size_t buflen, unsigned int flags)
24{
25	return my_syscall3(__NR_getrandom, buf, buflen, flags);
26}
27
28static __attribute__((unused))
29ssize_t getrandom(void *buf, size_t buflen, unsigned int flags)
30{
31	return __sysret(sys_getrandom(buf, buflen, flags));
32}
33
34#endif /* _NOLIBC_SYS_RANDOM_H */