/*
 * rng.c
 *
 *  Created on: Aug 30, 2016
 *      Author: tkl
 */

#include <stddef.h>
#include "rng.h"

int rng_open(const struct rng *device)
{
	if(device == NULL)
		return -1;

	rng_fp_open_t open = device->fp->open;
	return open(device->arch_dep_device);
}

int rng_close(const struct rng *device)
{
	if(device == NULL)
		return -1;

	rng_fp_close_t close = device->fp->close;
	return close(device->arch_dep_device);
}

unsigned int rng_read(const struct rng *device)
{
	if(device == NULL)
		return 0;

	rng_fp_read_t read = device->fp->read;
	return read(device->arch_dep_device);
}