1/*-
2 * Copyright (c) 2003, 2004 David Young.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
16 * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL DAVID
17 * YOUNG BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
19 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
24 * OF SUCH DAMAGE.
25 */
26
27#ifndef _CPACK_H
28#define _CPACK_H
29
30struct cpack_state {
31	u_int8_t					*c_buf;
32	u_int8_t					*c_next;
33	size_t						 c_len;
34};
35
36int cpack_init(struct cpack_state *, u_int8_t *, size_t);
37
38int cpack_uint8(struct cpack_state *, u_int8_t *);
39int cpack_uint16(struct cpack_state *, u_int16_t *);
40int cpack_uint32(struct cpack_state *, u_int32_t *);
41int cpack_uint64(struct cpack_state *, u_int64_t *);
42
43#define cpack_int8(__s, __p)	cpack_uint8((__s),  (u_int8_t*)(__p))
44#define cpack_int16(__s, __p)	cpack_uint16((__s), (u_int16_t*)(__p))
45#define cpack_int32(__s, __p)	cpack_uint32((__s), (u_int32_t*)(__p))
46#define cpack_int64(__s, __p)	cpack_uint64((__s), (u_int64_t*)(__p))
47
48#endif /* _CPACK_H */
49