File: archrandom.h

package info (click to toggle)
linux 6.1.148-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,492 kB
  • sloc: ansic: 23,474,232; asm: 266,624; sh: 110,569; makefile: 49,899; python: 36,948; perl: 36,834; cpp: 6,055; yacc: 4,908; lex: 2,725; awk: 1,440; ruby: 25; sed: 5
file content (25 lines) | stat: -rw-r--r-- 615 bytes parent folder | download | duplicates (32)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_UM_ARCHRANDOM_H__
#define __ASM_UM_ARCHRANDOM_H__

#include <linux/types.h>

/* This is from <os.h>, but better not to #include that in a global header here. */
ssize_t os_getrandom(void *buf, size_t len, unsigned int flags);

static inline size_t __must_check arch_get_random_longs(unsigned long *v, size_t max_longs)
{
	ssize_t ret;

	ret = os_getrandom(v, max_longs * sizeof(*v), 0);
	if (ret < 0)
		return 0;
	return ret / sizeof(*v);
}

static inline size_t __must_check arch_get_random_seed_longs(unsigned long *v, size_t max_longs)
{
	return 0;
}

#endif