The Tcpdump Group git mirrors - tcpdump/blob - tcpdump-stdinc.h

   1 /*
   2  * Copyright (c) 2002 - 2003
   3  * NetGroup, Politecnico di Torino (Italy)
   4  * 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  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  * notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  * notice, this list of conditions and the following disclaimer in the
  14  * documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the Politecnico di Torino nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  *
  31  *
  32  * @(#) $Header: /tcpdump/master/tcpdump/tcpdump-stdinc.h,v 1.13 2005-04-20 09:44:32 guy Exp $ (LBL)
  33  */
  34
  35 /*
  36  * Include the appropriate OS header files on Windows and various flavors
  37  * of UNIX, and also define some additional items and include various
  38  * non-OS header files on Windows, and; this isolates most of the platform
  39  * differences to this one file.
  40  */
  41
  42 #ifndef tcpdump_stdinc_h
  43 #define tcpdump_stdinc_h
  44
  45 #ifdef WIN32
  46
  47 #include <stdio.h>
  48 #include <winsock2.h>
  49 #include "bittypes.h"
  50 #include <ctype.h>
  51 #include <time.h>
  52 #include <io.h>
  53 #include "IP6_misc.h"
  54 #include <fcntl.h>
  55 #include <sys/types.h>
  56 #include <net/netdb.h>  /* in wpcap's Win32/include */
  57
  58 #ifdef __MINGW32__
  59 #include <stdint.h>
  60 #endif
  61
  62 /* Protos for missing/x.c functions (ideally <missing/addrinfo.h>
  63  * should be used, but it clashes with <ws2tcpip.h>).
  64  */
  65 extern const char *inet_ntop (int, const void *, char *, size_t);
  66 extern int inet_pton (int, const char *, void *);
  67 extern int inet_aton (const char *cp, struct in_addr *addr);
  68
  69 #ifndef INET6_ADDRSTRLEN
  70 #define INET6_ADDRSTRLEN 46
  71 #endif
  72
  73 #ifndef toascii
  74 #define toascii(c) ((c) & 0x7f)
  75 #endif
  76
  77 #ifndef caddr_t
  78 typedef char* caddr_t;
  79 #endif /* caddr_t */
  80
  81 #define MAXHOSTNAMELEN  64
  82 #define NI_MAXHOST      1025
  83 #define snprintf _snprintf
  84 #define vsnprintf _vsnprintf
  85 #define RETSIGTYPE void
  86
  87 #else /* WIN32 */
  88
  89 #include <ctype.h>
  90 #include <unistd.h>
  91 #include <netdb.h>
  92 #if HAVE_INTTYPES_H
  93 #include <inttypes.h>
  94 #else
  95 #if HAVE_STDINT_H
  96 #include <stdint.h>
  97 #endif
  98 #endif
  99 #ifdef HAVE_SYS_BITYPES_H
 100 #include <sys/bitypes.h>
 101 #endif
 102 #include <sys/param.h>
 103 #include <sys/types.h>                  /* concession to AIX */
 104 #include <sys/time.h>
 105 #include <sys/socket.h>
 106 #include <netinet/in.h>
 107
 108 #ifdef TIME_WITH_SYS_TIME
 109 #include <time.h>
 110 #endif
 111
 112 #include <arpa/inet.h>
 113
 114 #endif /* WIN32 */
 115
 116 #ifdef INET6
 117 #include "ip6.h"
 118 #endif
 119
 120 #if defined(WIN32) || defined(MSDOS)
 121   #define FOPEN_READ_TXT   "rt"
 122   #define FOPEN_READ_BIN   "rb"
 123   #define FOPEN_WRITE_TXT  "wt"
 124   #define FOPEN_WRITE_BIN  "wb"
 125 #else
 126   #define FOPEN_READ_TXT   "r"
 127   #define FOPEN_READ_BIN   FOPEN_READ_TXT
 128   #define FOPEN_WRITE_TXT  "w"
 129   #define FOPEN_WRITE_BIN  FOPEN_WRITE_TXT
 130 #endif
 131
 132 #if defined(__GNUC__) && defined(__i386__)
 133   #undef ntohl
 134   #undef ntohs
 135   #undef htonl
 136   #undef htons
 137
 138   extern __inline__ unsigned long __ntohl (unsigned long x);
 139   extern __inline__ unsigned short __ntohs (unsigned short x);
 140
 141   #define ntohl(x)  __ntohl(x)
 142   #define ntohs(x)  __ntohs(x)
 143   #define htonl(x)  __ntohl(x)
 144   #define htons(x)  __ntohs(x)
 145
 146   extern __inline__ unsigned long __ntohl (unsigned long x)
 147   {
 148     __asm__ ("xchgb %b0, %h0\n\t"   /* swap lower bytes  */
 149              "rorl  $16, %0\n\t"    /* swap words        */
 150              "xchgb %b0, %h0"       /* swap higher bytes */
 151             : "=q" (x) : "0" (x));
 152     return (x);
 153   }
 154
 155   extern __inline__ unsigned short __ntohs (unsigned short x)
 156   {
 157     __asm__ ("xchgb %b0, %h0"       /* swap bytes */
 158             : "=q" (x) : "0" (x));
 159     return (x);
 160   }
 161 #endif
 162
 163 #ifndef INET_ADDRSTRLEN
 164 #define INET_ADDRSTRLEN 16
 165 #endif
 166
 167 #endif /* tcpdump_stdinc_h */