10f74e101Schristos /*- 20f74e101Schristos * Copyright (c) 2003, 2004 David Young. All rights reserved. 30f74e101Schristos * 40f74e101Schristos * Redistribution and use in source and binary forms, with or without 50f74e101Schristos * modification, are permitted provided that the following conditions 60f74e101Schristos * are met: 70f74e101Schristos * 1. Redistributions of source code must retain the above copyright 80f74e101Schristos * notice, this list of conditions and the following disclaimer. 90f74e101Schristos * 2. Redistributions in binary form must reproduce the above copyright 100f74e101Schristos * notice, this list of conditions and the following disclaimer in the 110f74e101Schristos * documentation and/or other materials provided with the distribution. 120f74e101Schristos * 130f74e101Schristos * THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``AS IS'' AND ANY 140f74e101Schristos * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 150f74e101Schristos * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 160f74e101Schristos * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAVID 170f74e101Schristos * YOUNG BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 180f74e101Schristos * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 190f74e101Schristos * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 200f74e101Schristos * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 210f74e101Schristos * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 220f74e101Schristos * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 230f74e101Schristos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 240f74e101Schristos * OF SUCH DAMAGE. 250f74e101Schristos */ 260f74e101Schristos 27*c74ad251Schristos #ifndef ND_CPACK_H 28*c74ad251Schristos #define ND_CPACK_H 29*c74ad251Schristos 30*c74ad251Schristos #include "netdissect.h" 310f74e101Schristos 320f74e101Schristos struct cpack_state { 33fdccd7e4Schristos const uint8_t *c_buf; 34fdccd7e4Schristos const uint8_t *c_next; 350f74e101Schristos size_t c_len; 360f74e101Schristos }; 370f74e101Schristos 38*c74ad251Schristos int nd_cpack_init(struct cpack_state *, const uint8_t *, size_t); 390f74e101Schristos 40*c74ad251Schristos int nd_cpack_uint8(netdissect_options *, struct cpack_state *, uint8_t *); 41*c74ad251Schristos int nd_cpack_int8(netdissect_options *, struct cpack_state *, int8_t *); 42*c74ad251Schristos int nd_cpack_uint16(netdissect_options *, struct cpack_state *, uint16_t *); 43*c74ad251Schristos int nd_cpack_int16(netdissect_options *, struct cpack_state *, int16_t *); 44*c74ad251Schristos int nd_cpack_uint32(netdissect_options *, struct cpack_state *, uint32_t *); 45*c74ad251Schristos int nd_cpack_int32(netdissect_options *, struct cpack_state *, int32_t *); 46*c74ad251Schristos int nd_cpack_uint64(netdissect_options *, struct cpack_state *, uint64_t *); 47*c74ad251Schristos int nd_cpack_int64(netdissect_options *, struct cpack_state *, int64_t *); 480f74e101Schristos 49*c74ad251Schristos const uint8_t *nd_cpack_next_boundary(const uint8_t *buf, const uint8_t *p, size_t alignment); 50*c74ad251Schristos const uint8_t *nd_cpack_align_and_reserve(struct cpack_state *cs, size_t wordsize); 510e9868baSchristos 52*c74ad251Schristos extern int nd_cpack_advance(struct cpack_state *, const size_t); 530f74e101Schristos 54*c74ad251Schristos #endif /* ND_CPACK_H */ 55