The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 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 | * |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 32 | * @(#) $Header: /tcpdump/master/tcpdump/tcpdump-stdinc.h,v 1.18 2007-11-24 18:13:33 mcr Exp $ (LBL) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 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 <Ws2tcpip.h> |
| 50 | #include "bittypes.h" |
| 51 | #include <ctype.h> |
| 52 | #include <time.h> |
| 53 | #include <io.h> |
| 54 | #include <fcntl.h> |
| 55 | #include <sys/types.h> |
| 56 | #include <net/netdb.h> /* in wpcap's Win32/include */ |
| 57 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 58 | #ifndef NBBY |
| 59 | #define NBBY 8 |
| 60 | #endif |
| 61 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 62 | #if !defined(__MINGW32__) && !defined(__WATCOMC__) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 63 | #define stat _stat |
| 64 | #define open _open |
| 65 | #define fstat _fstat |
| 66 | #define read _read |
| 67 | #define close _close |
| 68 | #define O_RDONLY _O_RDONLY |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 69 | #endif /* __MINGW32__ */ |
| 70 | |
| 71 | #ifdef __MINGW32__ |
| 72 | #include <stdint.h> |
| 73 | #endif |
| 74 | |
| 75 | /* Protos for missing/x.c functions (ideally <missing/addrinfo.h> |
| 76 | * should be used, but it clashes with <ws2tcpip.h>). |
| 77 | */ |
| 78 | extern const char *inet_ntop (int, const void *, char *, size_t); |
| 79 | extern int inet_pton (int, const char *, void *); |
| 80 | extern int inet_aton (const char *cp, struct in_addr *addr); |
| 81 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 82 | /* |
| 83 | * With MSVC, for C, __inline is used to make a function an inline. |
| 84 | */ |
| 85 | #ifdef _MSC_VER |
| 86 | #define inline __inline |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 87 | #endif |
| 88 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 89 | #ifndef INET6_ADDRSTRLEN |
| 90 | #define INET6_ADDRSTRLEN 46 |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 91 | #endif |
| 92 | |
| 93 | #ifndef caddr_t |
| 94 | typedef char* caddr_t; |
| 95 | #endif /* caddr_t */ |
| 96 | |
| 97 | #define MAXHOSTNAMELEN 64 |
| 98 | #define NI_MAXHOST 1025 |
| 99 | #define snprintf _snprintf |
| 100 | #define vsnprintf _vsnprintf |
| 101 | #define RETSIGTYPE void |
| 102 | |
| 103 | #else /* WIN32 */ |
| 104 | |
| 105 | #include <ctype.h> |
| 106 | #include <unistd.h> |
| 107 | #include <netdb.h> |
| 108 | #if HAVE_INTTYPES_H |
| 109 | #include <inttypes.h> |
| 110 | #else |
| 111 | #if HAVE_STDINT_H |
| 112 | #include <stdint.h> |
| 113 | #endif |
| 114 | #endif |
| 115 | #ifdef HAVE_SYS_BITYPES_H |
| 116 | #include <sys/bitypes.h> |
| 117 | #endif |
| 118 | #include <sys/param.h> |
| 119 | #include <sys/types.h> /* concession to AIX */ |
| 120 | #include <sys/time.h> |
| 121 | #include <sys/socket.h> |
| 122 | #include <netinet/in.h> |
| 123 | |
| 124 | #ifdef TIME_WITH_SYS_TIME |
| 125 | #include <time.h> |
| 126 | #endif |
| 127 | |
| 128 | #include <arpa/inet.h> |
| 129 | |
JP Abgrall | 7830bfb | 2014-02-12 14:04:01 -0800 | [diff] [blame] | 130 | #ifndef NBBY |
| 131 | #define NBBY 8 |
| 132 | #endif |
| 133 | |
| 134 | /* Doesn't exist on Android. */ |
| 135 | #define setprotoent(...) |
| 136 | #define endprotoent(...) |
| 137 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 138 | #endif /* WIN32 */ |
| 139 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 140 | #ifndef HAVE___ATTRIBUTE__ |
| 141 | #define __attribute__(x) |
| 142 | #endif |
| 143 | |
| 144 | /* |
| 145 | * Used to declare a structure unaligned, so that the C compiler, |
| 146 | * if necessary, generates code that doesn't assume alignment. |
| 147 | * This is required because there is no guarantee that the packet |
| 148 | * data we get from libpcap/WinPcap is properly aligned. |
| 149 | * |
| 150 | * This assumes that, for all compilers that support __attribute__: |
| 151 | * |
| 152 | * 1) they support __attribute__((packed)); |
| 153 | * |
| 154 | * 2) for all instruction set architectures requiring strict |
| 155 | * alignment, declaring a structure with that attribute |
| 156 | * causes the compiler to generate code that handles |
| 157 | * misaligned 2-byte, 4-byte, and 8-byte integral |
| 158 | * quantities. |
| 159 | * |
| 160 | * It does not (yet) handle compilers where you can get the compiler |
| 161 | * to generate code of that sort by some other means. |
| 162 | * |
| 163 | * This is required in order to, for example, keep the compiler from |
| 164 | * generating, for |
| 165 | * |
| 166 | * if (bp->bp_htype == 1 && bp->bp_hlen == 6 && bp->bp_op == BOOTPREQUEST) { |
| 167 | * |
| 168 | * in print-bootp.c, code that loads the first 4-byte word of a |
| 169 | * "struct bootp", masking out the bp_hops field, and comparing the result |
| 170 | * against 0x01010600. |
| 171 | * |
| 172 | * Note: this also requires that padding be put into the structure, |
| 173 | * at least for compilers where it's implemented as __attribute__((packed)). |
| 174 | */ |
| 175 | #if defined(_MSC_VER) && defined(UNALIGNED) |
| 176 | /* MSVC may have its own macro defined with the same name and purpose. */ |
| 177 | #else |
| 178 | #define UNALIGNED __attribute__((packed)) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 179 | #endif |
| 180 | |
| 181 | #if defined(WIN32) || defined(MSDOS) |
| 182 | #define FOPEN_READ_TXT "rt" |
| 183 | #define FOPEN_READ_BIN "rb" |
| 184 | #define FOPEN_WRITE_TXT "wt" |
| 185 | #define FOPEN_WRITE_BIN "wb" |
| 186 | #else |
| 187 | #define FOPEN_READ_TXT "r" |
| 188 | #define FOPEN_READ_BIN FOPEN_READ_TXT |
| 189 | #define FOPEN_WRITE_TXT "w" |
| 190 | #define FOPEN_WRITE_BIN FOPEN_WRITE_TXT |
| 191 | #endif |
| 192 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 193 | #if defined(__GNUC__) && defined(__i386__) && !defined(__APPLE__) && !defined(__ntohl) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 194 | #undef ntohl |
| 195 | #undef ntohs |
| 196 | #undef htonl |
| 197 | #undef htons |
| 198 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 199 | static __inline__ unsigned long __ntohl (unsigned long x); |
| 200 | static __inline__ unsigned short __ntohs (unsigned short x); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 201 | |
| 202 | #define ntohl(x) __ntohl(x) |
| 203 | #define ntohs(x) __ntohs(x) |
| 204 | #define htonl(x) __ntohl(x) |
| 205 | #define htons(x) __ntohs(x) |
| 206 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 207 | static __inline__ unsigned long __ntohl (unsigned long x) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 208 | { |
| 209 | __asm__ ("xchgb %b0, %h0\n\t" /* swap lower bytes */ |
| 210 | "rorl $16, %0\n\t" /* swap words */ |
| 211 | "xchgb %b0, %h0" /* swap higher bytes */ |
| 212 | : "=q" (x) : "0" (x)); |
| 213 | return (x); |
| 214 | } |
| 215 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 216 | static __inline__ unsigned short __ntohs (unsigned short x) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 217 | { |
| 218 | __asm__ ("xchgb %b0, %h0" /* swap bytes */ |
| 219 | : "=q" (x) : "0" (x)); |
| 220 | return (x); |
| 221 | } |
| 222 | #endif |
| 223 | |
| 224 | #ifndef INET_ADDRSTRLEN |
| 225 | #define INET_ADDRSTRLEN 16 |
| 226 | #endif |
| 227 | |
| 228 | #ifndef TRUE |
| 229 | #define TRUE 1 |
| 230 | #endif |
| 231 | |
| 232 | #ifndef FALSE |
| 233 | #define FALSE 0 |
| 234 | #endif |
| 235 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 236 | /* |
| 237 | * The Apple deprecation workaround macros below were adopted from the |
| 238 | * FreeRADIUS server code under permission of Alan DeKok and Arran Cudbard-Bell. |
| 239 | */ |
| 240 | |
| 241 | #define XSTRINGIFY(x) #x |
| 242 | |
| 243 | /* |
| 244 | * Macros for controlling warnings in GCC >= 4.2 and clang >= 2.8 |
| 245 | */ |
| 246 | #define DIAG_JOINSTR(x,y) XSTRINGIFY(x ## y) |
| 247 | #define DIAG_DO_PRAGMA(x) _Pragma (#x) |
| 248 | |
| 249 | #if defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 402 |
| 250 | # define DIAG_PRAGMA(x) DIAG_DO_PRAGMA(GCC diagnostic x) |
| 251 | # if ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406 |
| 252 | # define DIAG_OFF(x) DIAG_PRAGMA(push) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x)) |
| 253 | # define DIAG_ON(x) DIAG_PRAGMA(pop) |
| 254 | # else |
| 255 | # define DIAG_OFF(x) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x)) |
| 256 | # define DIAG_ON(x) DIAG_PRAGMA(warning DIAG_JOINSTR(-W,x)) |
| 257 | # endif |
| 258 | #elif defined(__clang__) && ((__clang_major__ * 100) + __clang_minor__ >= 208) |
| 259 | # define DIAG_PRAGMA(x) DIAG_DO_PRAGMA(clang diagnostic x) |
| 260 | # define DIAG_OFF(x) DIAG_PRAGMA(push) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x)) |
| 261 | # define DIAG_ON(x) DIAG_PRAGMA(pop) |
| 262 | #else |
| 263 | # define DIAG_OFF(x) |
| 264 | # define DIAG_ON(x) |
| 265 | #endif |
| 266 | |
| 267 | /* |
| 268 | * For dealing with APIs which are only deprecated in OSX (like the OpenSSL API) |
| 269 | */ |
| 270 | #ifdef __APPLE__ |
| 271 | # define USES_APPLE_DEPRECATED_API DIAG_OFF(deprecated-declarations) |
| 272 | # define USES_APPLE_RST DIAG_ON(deprecated-declarations) |
| 273 | #else |
| 274 | # define USES_APPLE_DEPRECATED_API |
| 275 | # define USES_APPLE_RST |
| 276 | #endif |
| 277 | |
| 278 | /* |
| 279 | * end of Apple deprecation workaround macros |
| 280 | */ |
| 281 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 282 | #endif /* tcpdump_stdinc_h */ |