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jcs's openbsd hax
openbsd
1/*
2 * Copyright (c) 2018 Yubico AB. All rights reserved.
3 * Use of this source code is governed by a BSD-style
4 * license that can be found in the LICENSE file.
5 */
6
7#include "fido.h"
8
9int
10fido_buf_read(const unsigned char **buf, size_t *len, void *dst, size_t count)
11{
12 if (count > *len)
13 return (-1);
14
15 memcpy(dst, *buf, count);
16 *buf += count;
17 *len -= count;
18
19 return (0);
20}
21
22int
23fido_buf_write(unsigned char **buf, size_t *len, const void *src, size_t count)
24{
25 if (count > *len)
26 return (-1);
27
28 memcpy(*buf, src, count);
29 *buf += count;
30 *len -= count;
31
32 return (0);
33}