/* * 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. * * * @(#) $Header: /tcpdump/master/tcpdump/tcpdump-stdinc.h,v 1.18 2007-11-24 18:13:33 mcr Exp $ (LBL) */ /* * Include the appropriate OS header files on Windows and various flavors * of UNIX, and also define some additional items and include various * non-OS header files on Windows, and; this isolates most of the platform * differences to this one file. */ #ifndef tcpdump_stdinc_h #define tcpdump_stdinc_h #ifdef WIN32 #include #include #include #include "bittypes.h" #include #include #include #include #include #include /* in wpcap's Win32/include */ #ifndef NBBY #define NBBY 8 #endif #if !defined(__MINGW32__) && !defined(__WATCOMC__) #undef toascii #define isascii __isascii #define toascii __toascii #define stat _stat #define open _open #define fstat _fstat #define read _read #define close _close #define O_RDONLY _O_RDONLY typedef short ino_t; #endif /* __MINGW32__ */ #ifdef __MINGW32__ #include #endif /* Protos for missing/x.c functions (ideally * should be used, but it clashes with ). */ extern const char *inet_ntop (int, const void *, char *, size_t); extern int inet_pton (int, const char *, void *); extern int inet_aton (const char *cp, struct in_addr *addr); #ifndef INET6_ADDRSTRLEN #define INET6_ADDRSTRLEN 46 #endif #ifndef toascii #define toascii(c) ((c) & 0x7f) #endif #ifndef caddr_t typedef char* caddr_t; #endif /* caddr_t */ #define MAXHOSTNAMELEN 64 #define NI_MAXHOST 1025 #define snprintf _snprintf #define vsnprintf _vsnprintf #define RETSIGTYPE void #else /* WIN32 */ #include #include #include #if HAVE_INTTYPES_H #include #else #if HAVE_STDINT_H #include #endif #endif #ifdef HAVE_SYS_BITYPES_H #include #endif #include #include /* concession to AIX */ #include #include #include #ifdef TIME_WITH_SYS_TIME #include #endif #include #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)). */ #define UNALIGNED __attribute__((packed)) #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 #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 #ifndef INET_ADDRSTRLEN #define INET_ADDRSTRLEN 16 #endif #ifndef TRUE #define TRUE 1 #endif #ifndef FALSE #define FALSE 0 #endif #endif /* tcpdump_stdinc_h */