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 30*ee67461eSJoseph Mingrone #ifndef ND_CPACK_H 31*ee67461eSJoseph Mingrone #define ND_CPACK_H 32*ee67461eSJoseph Mingrone 33*ee67461eSJoseph Mingrone #include "netdissect.h" 341de50e9fSSam Leffler 351de50e9fSSam Leffler struct cpack_state { 363340d773SGleb Smirnoff const uint8_t *c_buf; 373340d773SGleb Smirnoff const uint8_t *c_next; 381de50e9fSSam Leffler size_t c_len; 391de50e9fSSam Leffler }; 401de50e9fSSam Leffler 41*ee67461eSJoseph Mingrone int nd_cpack_init(struct cpack_state *, const uint8_t *, size_t); 421de50e9fSSam Leffler 43*ee67461eSJoseph Mingrone int nd_cpack_uint8(netdissect_options *, struct cpack_state *, uint8_t *); 44*ee67461eSJoseph Mingrone int nd_cpack_int8(netdissect_options *, struct cpack_state *, int8_t *); 45*ee67461eSJoseph Mingrone int nd_cpack_uint16(netdissect_options *, struct cpack_state *, uint16_t *); 46*ee67461eSJoseph Mingrone int nd_cpack_int16(netdissect_options *, struct cpack_state *, int16_t *); 47*ee67461eSJoseph Mingrone int nd_cpack_uint32(netdissect_options *, struct cpack_state *, uint32_t *); 48*ee67461eSJoseph Mingrone int nd_cpack_int32(netdissect_options *, struct cpack_state *, int32_t *); 49*ee67461eSJoseph Mingrone int nd_cpack_uint64(netdissect_options *, struct cpack_state *, uint64_t *); 50*ee67461eSJoseph Mingrone int nd_cpack_int64(netdissect_options *, struct cpack_state *, int64_t *); 511de50e9fSSam Leffler 52*ee67461eSJoseph Mingrone const uint8_t *nd_cpack_next_boundary(const uint8_t *buf, const uint8_t *p, size_t alignment); 53*ee67461eSJoseph Mingrone const uint8_t *nd_cpack_align_and_reserve(struct cpack_state *cs, size_t wordsize); 54cac3dcd5SXin LI 55*ee67461eSJoseph Mingrone extern int nd_cpack_advance(struct cpack_state *, const size_t); 563c602fabSXin LI 57*ee67461eSJoseph Mingrone #endif /* ND_CPACK_H */ 58