xref: /freebsd/contrib/tcpdump/cpack.h (revision 1de50e9f417616cf647a842762944a2301cb1415)
11de50e9fSSam Leffler /*-
21de50e9fSSam Leffler  * Copyright (c) 2003, 2004 David Young.  All rights reserved.
31de50e9fSSam Leffler  *
41de50e9fSSam Leffler  * Redistribution and use in source and binary forms, with or without
51de50e9fSSam Leffler  * modification, are permitted provided that the following conditions
61de50e9fSSam Leffler  * are met:
71de50e9fSSam Leffler  * 1. Redistributions of source code must retain the above copyright
81de50e9fSSam Leffler  *    notice, this list of conditions and the following disclaimer.
91de50e9fSSam Leffler  * 2. Redistributions in binary form must reproduce the above copyright
101de50e9fSSam Leffler  *    notice, this list of conditions and the following disclaimer in the
111de50e9fSSam Leffler  *    documentation and/or other materials provided with the distribution.
121de50e9fSSam Leffler  * 3. The name of David Young may not be used to endorse or promote
131de50e9fSSam Leffler  *    products derived from this software without specific prior
141de50e9fSSam Leffler  *    written permission.
151de50e9fSSam Leffler  *
161de50e9fSSam Leffler  * THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``AS IS'' AND ANY
171de50e9fSSam Leffler  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
181de50e9fSSam Leffler  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
191de50e9fSSam Leffler  * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL DAVID
201de50e9fSSam Leffler  * YOUNG BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
211de50e9fSSam Leffler  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
221de50e9fSSam Leffler  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
231de50e9fSSam Leffler  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
241de50e9fSSam Leffler  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
251de50e9fSSam Leffler  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
261de50e9fSSam Leffler  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
271de50e9fSSam Leffler  * OF SUCH DAMAGE.
281de50e9fSSam Leffler  */
291de50e9fSSam Leffler 
301de50e9fSSam Leffler #ifndef _CPACK_H
311de50e9fSSam Leffler #define _CPACK_H
321de50e9fSSam Leffler 
331de50e9fSSam Leffler struct cpack_state {
341de50e9fSSam Leffler 	u_int8_t					*c_buf;
351de50e9fSSam Leffler 	u_int8_t					*c_next;
361de50e9fSSam Leffler 	size_t						 c_len;
371de50e9fSSam Leffler };
381de50e9fSSam Leffler 
391de50e9fSSam Leffler int cpack_init(struct cpack_state *, u_int8_t *, size_t);
401de50e9fSSam Leffler 
411de50e9fSSam Leffler int cpack_uint8(struct cpack_state *, u_int8_t *);
421de50e9fSSam Leffler int cpack_uint16(struct cpack_state *, u_int16_t *);
431de50e9fSSam Leffler int cpack_uint32(struct cpack_state *, u_int32_t *);
441de50e9fSSam Leffler int cpack_uint64(struct cpack_state *, u_int64_t *);
451de50e9fSSam Leffler 
461de50e9fSSam Leffler #define cpack_int8(__s, __p)	cpack_uint8((__s),  (u_int8_t*)(__p))
471de50e9fSSam Leffler #define cpack_int16(__s, __p)	cpack_uint16((__s), (u_int16_t*)(__p))
481de50e9fSSam Leffler #define cpack_int32(__s, __p)	cpack_uint32((__s), (u_int32_t*)(__p))
491de50e9fSSam Leffler #define cpack_int64(__s, __p)	cpack_uint64((__s), (u_int64_t*)(__p))
501de50e9fSSam Leffler 
511de50e9fSSam Leffler #endif /* _CPACK_H */
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