The Tcpdump Group git mirrors - tcpdump/blob - missing/bittypes.h

   1 /*
   2  * Copyright (C) 1999 WIDE Project.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the project nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29 #ifndef HAVE_U_INT8_T
  30
  31 #if SIZEOF_CHAR == 1
  32 typedef unsigned char u_int8_t;
  33 #elif SIZEOF_INT == 1
  34 typedef unsigned int u_int8_t;
  35 #else  /* XXX */
  36 #error "there's no appropriate type for u_int8_t"
  37 #endif
  38
  39 #endif /* HAVE_U_INT8_T */
  40
  41 #ifndef HAVE_U_INT16_T
  42
  43 #if SIZEOF_SHORT == 2
  44 typedef unsigned short u_int16_t;
  45 #elif SIZEOF_INT == 2
  46 typedef unsigned int u_int16_t;
  47 #elif SIZEOF_CHAR == 2
  48 typedef unsigned char u_int16_t;
  49 #else  /* XXX */
  50 #error "there's no appropriate type for u_int16_t"
  51 #endif
  52
  53 #endif /* HAVE_U_INT16_T */
  54
  55 #ifndef HAVE_U_INT32_T
  56
  57 #if SIZEOF_INT == 4
  58 typedef unsigned int u_int32_t;
  59 #elif SIZEOF_LONG == 4
  60 typedef unsigned long u_int32_t;
  61 #elif SIZEOF_SHORT == 4
  62 typedef unsigned short u_int32_t;
  63 #else  /* XXX */
  64 #error "there's no appropriate type for u_int32_t"
  65 #endif
  66
  67 #endif /* HAVE_U_INT32_T */