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| -rw-r--r-- | cpack.h | 57 |
1 files changed, 57 insertions, 0 deletions
@@ -0,0 +1,57 @@ +/*- + * 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 ND_CPACK_H +#define ND_CPACK_H + +#include "netdissect.h" + +struct cpack_state { + const uint8_t *c_buf; + const uint8_t *c_next; + size_t c_len; +}; + +int nd_cpack_init(struct cpack_state *, const uint8_t *, size_t); + +int nd_cpack_uint8(netdissect_options *, struct cpack_state *, uint8_t *); +int nd_cpack_int8(netdissect_options *, struct cpack_state *, int8_t *); +int nd_cpack_uint16(netdissect_options *, struct cpack_state *, uint16_t *); +int nd_cpack_int16(netdissect_options *, struct cpack_state *, int16_t *); +int nd_cpack_uint32(netdissect_options *, struct cpack_state *, uint32_t *); +int nd_cpack_int32(netdissect_options *, struct cpack_state *, int32_t *); +int nd_cpack_uint64(netdissect_options *, struct cpack_state *, uint64_t *); +int nd_cpack_int64(netdissect_options *, struct cpack_state *, int64_t *); + +const uint8_t *nd_cpack_next_boundary(const uint8_t *buf, const uint8_t *p, size_t alignment); +const uint8_t *nd_cpack_align_and_reserve(struct cpack_state *cs, size_t wordsize); + +extern int nd_cpack_advance(struct cpack_state *, const size_t); + +#endif /* ND_CPACK_H */ |