blob: d4056087243debe08d6bf5d46ab22062eddb2c19 (
plain)
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
26
27
28
|
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __STDLIB_H
#define __STDLIB_H
#include <types.h>
#define RAND_MAX 32767
/* return a pseudo-random integer in the range [0, RAND_MAX] */
unsigned int rand(void);
/* set the seed for rand () */
void srand(unsigned int seed);
/* fill a buffer with pseudo-random data */
void get_random_bytes(void *buf, int len);
int get_crypto_bytes(void *buf, int len);
static inline u32 random32(void)
{
u32 ret;
get_random_bytes(&ret, 4);
return ret;
}
#endif /* __STDLIB_H */
|