/*- * 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 */ |