dist/tcpdump/cpack.h

   1 /*      $NetBSD: cpack.h,v 1.2 2007/07/24 11:53:37 drochner Exp $       */
   2
   3 /*-
   4  * Copyright (c) 2003, 2004 David Young.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``AS IS'' AND ANY
  16  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  17  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  18  * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL DAVID
  19  * YOUNG BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  21  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  26  * OF SUCH DAMAGE.
  27  */
  28
  29 #ifndef _CPACK_H
  30 #define _CPACK_H
  31
  32 struct cpack_state {
  33         u_int8_t                                        *c_buf;
  34         u_int8_t                                        *c_next;
  35         size_t                                           c_len;
  36 };
  37
  38 int cpack_init(struct cpack_state *, u_int8_t *, size_t);
  39
  40 int cpack_uint8(struct cpack_state *, u_int8_t *);
  41 int cpack_uint16(struct cpack_state *, u_int16_t *);
  42 int cpack_uint32(struct cpack_state *, u_int32_t *);
  43 int cpack_uint64(struct cpack_state *, u_int64_t *);
  44
  45 #define cpack_int8(__s, __p)    cpack_uint8((__s),  (u_int8_t*)(__p))
  46 #define cpack_int16(__s, __p)   cpack_uint16((__s), (u_int16_t*)(__p))
  47 #define cpack_int32(__s, __p)   cpack_uint32((__s), (u_int32_t*)(__p))
  48 #define cpack_int64(__s, __p)   cpack_uint64((__s), (u_int64_t*)(__p))
  49
  50 #endif /* _CPACK_H */