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/*
* Copyright (c) 2018 Yubico AB. All rights reserved.
* Use of this source code is governed by a BSD-style
* license that can be found in the LICENSE file.
*/
#include <string.h>
#include "fido.h"
int
fido_buf_read(const unsigned char **buf, size_t *len, void *dst, size_t count)
{
if (count > *len)
return (-1);
memcpy(dst, *buf, count);
*buf += count;
*len -= count;
return (0);
}
int
fido_buf_write(unsigned char **buf, size_t *len, const void *src, size_t count)
{
if (count > *len)
return (-1);
memcpy(*buf, src, count);
*buf += count;
*len -= count;
return (0);
}
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