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/*-
* Copyright (c) 2003, 2004 David Young. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of David Young may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAVID
* YOUNG BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
#ifndef _CPACK_H
#define _CPACK_H
struct cpack_state {
const uint8_t *c_buf;
const uint8_t *c_next;
size_t c_len;
};
int cpack_init(struct cpack_state *, const uint8_t *, size_t);
int cpack_uint8(struct cpack_state *, uint8_t *);
int cpack_uint16(struct cpack_state *, uint16_t *);
int cpack_uint32(struct cpack_state *, uint32_t *);
int cpack_uint64(struct cpack_state *, uint64_t *);
const uint8_t *cpack_next_boundary(const uint8_t *buf, const uint8_t *p, size_t alignment);
const uint8_t *cpack_align_and_reserve(struct cpack_state *cs, size_t wordsize);
#define cpack_int8(__s, __p) cpack_uint8((__s), (uint8_t*)(__p))
#define cpack_int16(__s, __p) cpack_uint16((__s), (uint16_t*)(__p))
#define cpack_int32(__s, __p) cpack_uint32((__s), (uint32_t*)(__p))
#define cpack_int64(__s, __p) cpack_uint64((__s), (uint64_t*)(__p))
extern int cpack_advance(struct cpack_state *, const size_t);
#endif /* _CPACK_H */
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