1146773Ssam/*- 2146773Ssam * Copyright (c) 2003, 2004 David Young. All rights reserved. 3146773Ssam * 4146773Ssam * Redistribution and use in source and binary forms, with or without 5146773Ssam * modification, are permitted provided that the following conditions 6146773Ssam * are met: 7146773Ssam * 1. Redistributions of source code must retain the above copyright 8146773Ssam * notice, this list of conditions and the following disclaimer. 9146773Ssam * 2. Redistributions in binary form must reproduce the above copyright 10146773Ssam * notice, this list of conditions and the following disclaimer in the 11146773Ssam * documentation and/or other materials provided with the distribution. 12146773Ssam * 3. The name of David Young may not be used to endorse or promote 13146773Ssam * products derived from this software without specific prior 14146773Ssam * written permission. 15146773Ssam * 16146773Ssam * THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``AS IS'' AND ANY 17146773Ssam * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 18146773Ssam * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 19146773Ssam * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAVID 20146773Ssam * YOUNG BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 21146773Ssam * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 22146773Ssam * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23146773Ssam * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24146773Ssam * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25146773Ssam * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26146773Ssam * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 27146773Ssam * OF SUCH DAMAGE. 28146773Ssam */ 29146773Ssam 30146773Ssam#ifndef _CPACK_H 31146773Ssam#define _CPACK_H 32146773Ssam 33146773Ssamstruct cpack_state { 34146773Ssam u_int8_t *c_buf; 35146773Ssam u_int8_t *c_next; 36146773Ssam size_t c_len; 37146773Ssam}; 38146773Ssam 39146773Ssamint cpack_init(struct cpack_state *, u_int8_t *, size_t); 40146773Ssam 41146773Ssamint cpack_uint8(struct cpack_state *, u_int8_t *); 42146773Ssamint cpack_uint16(struct cpack_state *, u_int16_t *); 43146773Ssamint cpack_uint32(struct cpack_state *, u_int32_t *); 44146773Ssamint cpack_uint64(struct cpack_state *, u_int64_t *); 45146773Ssam 46235530Sdelphiju_int8_t *cpack_next_boundary(u_int8_t *buf, u_int8_t *p, size_t alignment); 47235530Sdelphiju_int8_t *cpack_align_and_reserve(struct cpack_state *cs, size_t wordsize); 48235530Sdelphij 49146773Ssam#define cpack_int8(__s, __p) cpack_uint8((__s), (u_int8_t*)(__p)) 50146773Ssam#define cpack_int16(__s, __p) cpack_uint16((__s), (u_int16_t*)(__p)) 51146773Ssam#define cpack_int32(__s, __p) cpack_uint32((__s), (u_int32_t*)(__p)) 52146773Ssam#define cpack_int64(__s, __p) cpack_uint64((__s), (u_int64_t*)(__p)) 53146773Ssam 54146773Ssam#endif /* _CPACK_H */ 55