mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-27 21:43:45 +00:00
c7ff87e0ae
Add random number generation APIs to the HTML documentation. Fix style issues. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
40 lines
927 B
C
40 lines
927 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* (C) Copyright 2000-2009
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*/
|
|
|
|
#ifndef __RAND_H
|
|
#define __RAND_H
|
|
|
|
#define RAND_MAX -1U
|
|
|
|
/**
|
|
* srand() - Set the random-number seed value
|
|
*
|
|
* This can be used to restart the pseudo-random-number sequence from a known
|
|
* point. This affects future calls to rand() to start from that point
|
|
*
|
|
* @seed: New seed
|
|
*/
|
|
void srand(unsigned int seed);
|
|
|
|
/**
|
|
* rand() - Get a 32-bit pseudo-random number
|
|
*
|
|
* Return: next random number in the sequence
|
|
*/
|
|
unsigned int rand(void);
|
|
|
|
/**
|
|
* rand_r() - Get a 32-bit pseudo-random number
|
|
*
|
|
* This version of the function allows multiple sequences to be used at the
|
|
* same time, since it requires the caller to store the seed value.
|
|
*
|
|
* @seedp: seed value to use, updated on exit
|
|
* Return: next random number in the sequence
|
|
*/
|
|
unsigned int rand_r(unsigned int *seedp);
|
|
|
|
#endif
|