| /* |
| * Copyright (c) 2002 - 2003 |
| * NetGroup, Politecnico di Torino (Italy) |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the Politecnico di Torino nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /* |
| * Include the appropriate OS header files on Windows and various flavors |
| * of UNIX, include various non-OS header files on Windows, and define |
| * various items as needed, to isolate most of netdissect's platform |
| * differences to this one file. |
| */ |
| |
| #ifndef netdissect_stdinc_h |
| #define netdissect_stdinc_h |
| |
| #include <errno.h> |
| |
| #ifdef _WIN32 |
| |
| /* |
| * Includes and definitions for Windows. |
| */ |
| |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <winsock2.h> |
| #include <ws2tcpip.h> |
| #include <ctype.h> |
| #include <time.h> |
| #include <io.h> |
| #include <fcntl.h> |
| #include <sys/types.h> |
| |
| #ifndef uint8_t |
| #define uint8_t unsigned char |
| #endif |
| |
| #ifndef int8_t |
| #define int8_t signed char |
| #endif |
| |
| #ifndef uint16_t |
| #define uint16_t unsigned short |
| #endif |
| |
| #ifndef int16_t |
| #define int16_t signed short |
| #endif |
| |
| #ifndef uint32_t |
| #define uint32_t unsigned int |
| #endif |
| |
| #ifndef int32_t |
| #define int32_t signed int |
| #endif |
| |
| #ifdef _MSC_EXTENSIONS |
| |
| #ifndef uint64_t |
| #define uint64_t unsigned _int64 |
| #endif |
| |
| #ifndef int64_t |
| #define int64_t _int64 |
| #endif |
| |
| #ifndef PRId64 |
| #define PRId64 "I64d" |
| #endif |
| |
| #ifndef PRIo64 |
| #define PRIo64 "I64o" |
| #endif |
| |
| #ifndef PRIu64 |
| #define PRIu64 "I64u" |
| #endif |
| |
| #ifndef PRIx64 |
| #define PRIx64 "I64x" |
| #endif |
| |
| #else /* _MSC_EXTENSIONS */ |
| |
| #ifndef uint64_t |
| #define uint64_t unsigned long long |
| #endif |
| |
| #ifndef int64_t |
| #define int64_t long long |
| #endif |
| |
| #ifndef PRId64 |
| #define PRId64 "lld" |
| #endif |
| |
| #ifndef PRIo64 |
| #define PRIo64 "llo" |
| #endif |
| |
| #ifndef PRIu64 |
| #define PRIu64 "llu" |
| #endif |
| |
| #ifndef PRIx64 |
| #define PRIx64 "llx" |
| #endif |
| |
| #endif /* _MSC_EXTENSIONS */ |
| |
| /* |
| * Suppress definition of intN_t in bittypes.h, as included by <pcap/pcap.h> |
| * on Windows. |
| * (Yes, HAVE_U_INTn_T, as the definition guards are UN*X-oriented, and |
| * we check for u_intN_t in the UN*X configure script.) |
| */ |
| #define HAVE_U_INT8_T |
| #define HAVE_U_INT16_T |
| #define HAVE_U_INT32_T |
| #define HAVE_U_INT64_T |
| |
| #ifdef _MSC_VER |
| #define stat _stat |
| #define open _open |
| #define fstat _fstat |
| #define read _read |
| #define close _close |
| #define O_RDONLY _O_RDONLY |
| #endif /* _MSC_VER */ |
| |
| /* |
| * With MSVC, for C, __inline is used to make a function an inline. |
| */ |
| #ifdef _MSC_VER |
| #define inline __inline |
| #endif |
| |
| #ifdef AF_INET6 |
| #define HAVE_OS_IPV6_SUPPORT |
| #endif |
| |
| #ifndef INET6_ADDRSTRLEN |
| #define INET6_ADDRSTRLEN 46 |
| #endif |
| |
| /* It is in MSVC's <errno.h>, but not defined in MingW+Watcom. |
| */ |
| #ifndef EAFNOSUPPORT |
| #define EAFNOSUPPORT WSAEAFNOSUPPORT |
| #endif |
| |
| #ifndef caddr_t |
| typedef char* caddr_t; |
| #endif /* caddr_t */ |
| |
| #define MAXHOSTNAMELEN 64 |
| #define snprintf _snprintf |
| #define vsnprintf _vsnprintf |
| #define RETSIGTYPE void |
| |
| #else /* _WIN32 */ |
| |
| /* |
| * Includes and definitions for various flavors of UN*X. |
| */ |
| |
| #include <ctype.h> |
| #include <unistd.h> |
| #include <netdb.h> |
| #if HAVE_INTTYPES_H |
| #include <inttypes.h> |
| #elif HAVE_STDINT_H |
| #include <stdint.h> |
| #endif |
| #include <sys/param.h> |
| #include <sys/types.h> /* concession to AIX */ |
| #include <sys/time.h> |
| #include <sys/socket.h> |
| #include <netinet/in.h> |
| |
| #ifdef TIME_WITH_SYS_TIME |
| #include <time.h> |
| #endif |
| |
| #include <arpa/inet.h> |
| |
| #endif /* _WIN32 */ |
| |
| #ifndef HAVE___ATTRIBUTE__ |
| #define __attribute__(x) |
| #endif |
| |
| /* |
| * Used to declare a structure unaligned, so that the C compiler, |
| * if necessary, generates code that doesn't assume alignment. |
| * This is required because there is no guarantee that the packet |
| * data we get from libpcap/WinPcap is properly aligned. |
| * |
| * This assumes that, for all compilers that support __attribute__: |
| * |
| * 1) they support __attribute__((packed)); |
| * |
| * 2) for all instruction set architectures requiring strict |
| * alignment, declaring a structure with that attribute |
| * causes the compiler to generate code that handles |
| * misaligned 2-byte, 4-byte, and 8-byte integral |
| * quantities. |
| * |
| * It does not (yet) handle compilers where you can get the compiler |
| * to generate code of that sort by some other means. |
| * |
| * This is required in order to, for example, keep the compiler from |
| * generating, for |
| * |
| * if (bp->bp_htype == 1 && bp->bp_hlen == 6 && bp->bp_op == BOOTPREQUEST) { |
| * |
| * in print-bootp.c, code that loads the first 4-byte word of a |
| * "struct bootp", masking out the bp_hops field, and comparing the result |
| * against 0x01010600. |
| * |
| * Note: this also requires that padding be put into the structure, |
| * at least for compilers where it's implemented as __attribute__((packed)). |
| */ |
| #if !(defined(_MSC_VER) && defined(UNALIGNED)) |
| /* MSVC may have its own macro defined with the same name and purpose. */ |
| #undef UNALIGNED |
| #define UNALIGNED __attribute__((packed)) |
| #endif |
| |
| /* |
| * fopen() read and write modes for text files and binary files. |
| */ |
| #if defined(_WIN32) || defined(MSDOS) |
| #define FOPEN_READ_TXT "rt" |
| #define FOPEN_READ_BIN "rb" |
| #define FOPEN_WRITE_TXT "wt" |
| #define FOPEN_WRITE_BIN "wb" |
| #else |
| #define FOPEN_READ_TXT "r" |
| #define FOPEN_READ_BIN FOPEN_READ_TXT |
| #define FOPEN_WRITE_TXT "w" |
| #define FOPEN_WRITE_BIN FOPEN_WRITE_TXT |
| #endif |
| |
| /* |
| * Inline x86 assembler-language versions of ntoh[ls]() and hton[ls](), |
| * defined if the OS doesn't provide them. These assume no more than |
| * an 80386, so, for example, it avoids the bswap instruction added in |
| * the 80486. |
| * |
| * (We don't use them on OS X; Apple provides their own, which *doesn't* |
| * avoid the bswap instruction, as OS X only supports machines that |
| * have it.) |
| */ |
| #if defined(__GNUC__) && defined(__i386__) && !defined(__APPLE__) && !defined(__ntohl) |
| #undef ntohl |
| #undef ntohs |
| #undef htonl |
| #undef htons |
| |
| static __inline__ unsigned long __ntohl (unsigned long x); |
| static __inline__ unsigned short __ntohs (unsigned short x); |
| |
| #define ntohl(x) __ntohl(x) |
| #define ntohs(x) __ntohs(x) |
| #define htonl(x) __ntohl(x) |
| #define htons(x) __ntohs(x) |
| |
| static __inline__ unsigned long __ntohl (unsigned long x) |
| { |
| __asm__ ("xchgb %b0, %h0\n\t" /* swap lower bytes */ |
| "rorl $16, %0\n\t" /* swap words */ |
| "xchgb %b0, %h0" /* swap higher bytes */ |
| : "=q" (x) : "0" (x)); |
| return (x); |
| } |
| |
| static __inline__ unsigned short __ntohs (unsigned short x) |
| { |
| __asm__ ("xchgb %b0, %h0" /* swap bytes */ |
| : "=q" (x) : "0" (x)); |
| return (x); |
| } |
| #endif |
| |
| /* |
| * If the OS doesn't define AF_INET6 and struct in6_addr: |
| * |
| * define AF_INET6, so we can use it internally as a "this is an |
| * IPv6 address" indication; |
| * |
| * define struct in6_addr so that we can use it for IPv6 addresses. |
| */ |
| #ifndef HAVE_OS_IPV6_SUPPORT |
| #ifndef AF_INET6 |
| #define AF_INET6 24 |
| |
| struct in6_addr { |
| union { |
| __uint8_t __u6_addr8[16]; |
| __uint16_t __u6_addr16[8]; |
| __uint32_t __u6_addr32[4]; |
| } __u6_addr; /* 128-bit IP6 address */ |
| }; |
| #endif |
| #endif |
| |
| #ifndef NI_MAXHOST |
| #define NI_MAXHOST 1025 |
| #endif |
| |
| #ifndef INET_ADDRSTRLEN |
| #define INET_ADDRSTRLEN 16 |
| #endif |
| |
| #ifndef TRUE |
| #define TRUE 1 |
| #endif |
| |
| #ifndef FALSE |
| #define FALSE 0 |
| #endif |
| |
| /* |
| * The Apple deprecation workaround macros below were adopted from the |
| * FreeRADIUS server code under permission of Alan DeKok and Arran Cudbard-Bell. |
| */ |
| |
| #define XSTRINGIFY(x) #x |
| |
| /* |
| * Macros for controlling warnings in GCC >= 4.2 and clang >= 2.8 |
| */ |
| #define DIAG_JOINSTR(x,y) XSTRINGIFY(x ## y) |
| #define DIAG_DO_PRAGMA(x) _Pragma (#x) |
| |
| #if defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 402 |
| # define DIAG_PRAGMA(x) DIAG_DO_PRAGMA(GCC diagnostic x) |
| # if ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406 |
| # define DIAG_OFF(x) DIAG_PRAGMA(push) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x)) |
| # define DIAG_ON(x) DIAG_PRAGMA(pop) |
| # else |
| # define DIAG_OFF(x) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x)) |
| # define DIAG_ON(x) DIAG_PRAGMA(warning DIAG_JOINSTR(-W,x)) |
| # endif |
| #elif defined(__clang__) && ((__clang_major__ * 100) + __clang_minor__ >= 208) |
| # define DIAG_PRAGMA(x) DIAG_DO_PRAGMA(clang diagnostic x) |
| # define DIAG_OFF(x) DIAG_PRAGMA(push) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x)) |
| # define DIAG_ON(x) DIAG_PRAGMA(pop) |
| #else |
| # define DIAG_OFF(x) |
| # define DIAG_ON(x) |
| #endif |
| |
| /* |
| * For dealing with APIs which are only deprecated in OSX (like the OpenSSL API) |
| */ |
| #ifdef __APPLE__ |
| # define USES_APPLE_DEPRECATED_API DIAG_OFF(deprecated-declarations) |
| # define USES_APPLE_RST DIAG_ON(deprecated-declarations) |
| #else |
| # define USES_APPLE_DEPRECATED_API |
| # define USES_APPLE_RST |
| #endif |
| |
| /* |
| * end of Apple deprecation workaround macros |
| */ |
| |
| /* |
| * Function attributes, for various compilers. |
| */ |
| #include "funcattrs.h" |
| |
| #ifndef min |
| #define min(a,b) ((a)>(b)?(b):(a)) |
| #endif |
| #ifndef max |
| #define max(a,b) ((b)>(a)?(b):(a)) |
| #endif |
| |
| #endif /* netdissect_stdinc_h */ |