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/*
* include/linux/random.h
*
* Include file for the random number generator.
*/
#ifndef _LINUX_RANDOM_H
#define _LINUX_RANDOM_H
#include <unistd.h>
#include <sys/syscall.h>
#include <linux/bug.h>
static inline int getrandom(void *buf, size_t buflen, unsigned int flags)
{
return syscall(SYS_getrandom, buf, buflen, flags);
}
static inline void get_random_bytes(void *buf, int nbytes)
{
BUG_ON(getrandom(buf, nbytes, 0) != nbytes);
}
static inline int get_random_int(void)
{
int v;
get_random_bytes(&v, sizeof(v));
return v;
}
#endif /* _LINUX_RANDOM_H */
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