1 | /* |
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2 | * Copyright (c) 2002 - 2003 |
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3 | * NetGroup, Politecnico di Torino (Italy) |
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4 | * All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions |
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8 | * are met: |
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9 | * |
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10 | * 1. Redistributions of source code must retain the above copyright |
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11 | * notice, this list of conditions and the following disclaimer. |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * 3. Neither the name of the Politecnico di Torino nor the names of its |
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16 | * contributors may be used to endorse or promote products derived from |
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17 | * this software without specific prior written permission. |
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18 | * |
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19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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30 | * |
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31 | * |
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32 | * @(#) $Header: /tcpdump/master/tcpdump/tcpdump-stdinc.h,v 1.18 2007-11-24 18:13:33 mcr Exp $ (LBL) |
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33 | */ |
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34 | |
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35 | /* |
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36 | * Include the appropriate OS header files on Windows and various flavors |
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37 | * of UNIX, and also define some additional items and include various |
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38 | * non-OS header files on Windows, and; this isolates most of the platform |
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39 | * differences to this one file. |
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40 | */ |
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41 | |
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42 | #ifndef tcpdump_stdinc_h |
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43 | #define tcpdump_stdinc_h |
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44 | |
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45 | #ifdef WIN32 |
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46 | |
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47 | #include <stdio.h> |
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48 | #include <winsock2.h> |
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49 | #include <Ws2tcpip.h> |
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50 | #include "bittypes.h" |
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51 | #include <ctype.h> |
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52 | #include <time.h> |
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53 | #include <io.h> |
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54 | #include <fcntl.h> |
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55 | #include <rtems/bsd/sys/types.h> |
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56 | #include <net/netdb.h> /* in wpcap's Win32/include */ |
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57 | |
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58 | #ifndef NBBY |
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59 | #define NBBY 8 |
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60 | #endif |
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61 | |
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62 | #if !defined(__MINGW32__) && !defined(__WATCOMC__) |
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63 | #undef toascii |
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64 | #define isascii __isascii |
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65 | #define toascii __toascii |
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66 | #define stat _stat |
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67 | #define open _open |
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68 | #define fstat _fstat |
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69 | #define read _read |
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70 | #define close _close |
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71 | #define O_RDONLY _O_RDONLY |
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72 | |
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73 | typedef short ino_t; |
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74 | #endif /* __MINGW32__ */ |
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75 | |
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76 | #ifdef __MINGW32__ |
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77 | #include <stdint.h> |
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78 | #endif |
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79 | |
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80 | /* Protos for missing/x.c functions (ideally <missing/addrinfo.h> |
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81 | * should be used, but it clashes with <ws2tcpip.h>). |
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82 | */ |
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83 | extern const char *inet_ntop (int, const void *, char *, size_t); |
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84 | extern int inet_pton (int, const char *, void *); |
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85 | extern int inet_aton (const char *cp, struct in_addr *addr); |
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86 | |
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87 | #ifndef INET6_ADDRSTRLEN |
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88 | #define INET6_ADDRSTRLEN 46 |
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89 | #endif |
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90 | |
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91 | #ifndef toascii |
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92 | #define toascii(c) ((c) & 0x7f) |
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93 | #endif |
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94 | |
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95 | #ifndef caddr_t |
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96 | typedef char* caddr_t; |
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97 | #endif /* caddr_t */ |
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98 | |
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99 | #define MAXHOSTNAMELEN 64 |
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100 | #define NI_MAXHOST 1025 |
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101 | #define snprintf _snprintf |
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102 | #define vsnprintf _vsnprintf |
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103 | #define RETSIGTYPE void |
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104 | |
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105 | #else /* WIN32 */ |
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106 | |
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107 | #include <ctype.h> |
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108 | #include <unistd.h> |
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109 | #include <netdb.h> |
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110 | #if HAVE_INTTYPES_H |
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111 | #include <inttypes.h> |
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112 | #else |
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113 | #if HAVE_STDINT_H |
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114 | #include <stdint.h> |
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115 | #endif |
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116 | #endif |
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117 | #ifdef HAVE_SYS_BITYPES_H |
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118 | #include <sys/bitypes.h> |
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119 | #endif |
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120 | #include <rtems/bsd/sys/param.h> |
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121 | #include <rtems/bsd/sys/types.h> /* concession to AIX */ |
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122 | #include <rtems/bsd/sys/time.h> |
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123 | #include <sys/socket.h> |
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124 | #include <netinet/in.h> |
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125 | |
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126 | #ifdef TIME_WITH_SYS_TIME |
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127 | #include <time.h> |
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128 | #endif |
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129 | |
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130 | #include <arpa/inet.h> |
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131 | |
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132 | #endif /* WIN32 */ |
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133 | |
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134 | #ifndef HAVE___ATTRIBUTE__ |
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135 | #define __attribute__(x) |
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136 | #endif |
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137 | |
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138 | /* |
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139 | * Used to declare a structure unaligned, so that the C compiler, |
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140 | * if necessary, generates code that doesn't assume alignment. |
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141 | * This is required because there is no guarantee that the packet |
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142 | * data we get from libpcap/WinPcap is properly aligned. |
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143 | * |
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144 | * This assumes that, for all compilers that support __attribute__: |
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145 | * |
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146 | * 1) they support __attribute__((packed)); |
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147 | * |
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148 | * 2) for all instruction set architectures requiring strict |
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149 | * alignment, declaring a structure with that attribute |
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150 | * causes the compiler to generate code that handles |
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151 | * misaligned 2-byte, 4-byte, and 8-byte integral |
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152 | * quantities. |
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153 | * |
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154 | * It does not (yet) handle compilers where you can get the compiler |
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155 | * to generate code of that sort by some other means. |
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156 | * |
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157 | * This is required in order to, for example, keep the compiler from |
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158 | * generating, for |
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159 | * |
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160 | * if (bp->bp_htype == 1 && bp->bp_hlen == 6 && bp->bp_op == BOOTPREQUEST) { |
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161 | * |
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162 | * in print-bootp.c, code that loads the first 4-byte word of a |
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163 | * "struct bootp", masking out the bp_hops field, and comparing the result |
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164 | * against 0x01010600. |
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165 | * |
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166 | * Note: this also requires that padding be put into the structure, |
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167 | * at least for compilers where it's implemented as __attribute__((packed)). |
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168 | */ |
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169 | #define UNALIGNED __attribute__((packed)) |
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170 | |
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171 | #if defined(WIN32) || defined(MSDOS) |
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172 | #define FOPEN_READ_TXT "rt" |
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173 | #define FOPEN_READ_BIN "rb" |
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174 | #define FOPEN_WRITE_TXT "wt" |
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175 | #define FOPEN_WRITE_BIN "wb" |
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176 | #else |
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177 | #define FOPEN_READ_TXT "r" |
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178 | #define FOPEN_READ_BIN FOPEN_READ_TXT |
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179 | #define FOPEN_WRITE_TXT "w" |
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180 | #define FOPEN_WRITE_BIN FOPEN_WRITE_TXT |
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181 | #endif |
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182 | |
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183 | #if defined(__GNUC__) && defined(__i386__) && !defined(__APPLE__) && !defined(__ntohl) |
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184 | #undef ntohl |
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185 | #undef ntohs |
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186 | #undef htonl |
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187 | #undef htons |
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188 | |
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189 | static __inline__ unsigned long __ntohl (unsigned long x); |
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190 | static __inline__ unsigned short __ntohs (unsigned short x); |
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191 | |
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192 | #define ntohl(x) __ntohl(x) |
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193 | #define ntohs(x) __ntohs(x) |
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194 | #define htonl(x) __ntohl(x) |
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195 | #define htons(x) __ntohs(x) |
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196 | |
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197 | static __inline__ unsigned long __ntohl (unsigned long x) |
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198 | { |
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199 | __asm__ ("xchgb %b0, %h0\n\t" /* swap lower bytes */ |
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200 | "rorl $16, %0\n\t" /* swap words */ |
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201 | "xchgb %b0, %h0" /* swap higher bytes */ |
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202 | : "=q" (x) : "0" (x)); |
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203 | return (x); |
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204 | } |
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205 | |
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206 | static __inline__ unsigned short __ntohs (unsigned short x) |
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207 | { |
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208 | __asm__ ("xchgb %b0, %h0" /* swap bytes */ |
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209 | : "=q" (x) : "0" (x)); |
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210 | return (x); |
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211 | } |
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212 | #endif |
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213 | |
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214 | #ifndef INET_ADDRSTRLEN |
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215 | #define INET_ADDRSTRLEN 16 |
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216 | #endif |
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217 | |
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218 | #ifndef TRUE |
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219 | #define TRUE 1 |
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220 | #endif |
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221 | |
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222 | #ifndef FALSE |
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223 | #define FALSE 0 |
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224 | #endif |
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225 | |
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226 | #endif /* tcpdump_stdinc_h */ |
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