* 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 1.16 2005-07-09 21:06:04 risso 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
+ * of UNIX, include various non-OS header files on Windows, and define
+ * various items as needed, to isolate most of tcpdump's platform
* differences to this one file.
*/
#ifndef tcpdump_stdinc_h
#define tcpdump_stdinc_h
+#include <errno.h>
+
#ifdef WIN32
+#include <stdint.h>
#include <stdio.h>
#include <winsock2.h>
-#include <Ws2tcpip.h>
-#include "bittypes.h"
+#include <ws2tcpip.h>
+#include "bittypes.h" /* in wpcap's Win32/include */
#include <ctype.h>
#include <time.h>
#include <io.h>
#include <sys/types.h>
#include <net/netdb.h> /* in wpcap's Win32/include */
-#if !defined(__MINGW32__) && !defined(__WATCOMC__)
-#undef toascii
-#define isascii __isascii
-#define toascii __toascii
+#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 */
+
+#ifdef _MSC_VER
#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 <stdint.h>
-#endif
+#endif /* _MSC_VER */
/* Protos for missing/x.c functions (ideally <missing/addrinfo.h>
* should be used, but it clashes with <ws2tcpip.h>).
extern int inet_pton (int, const char *, void *);
extern int inet_aton (const char *cp, struct in_addr *addr);
+/*
+ * With MSVC, for C, __inline is used to make a function an inline.
+ */
+#ifdef _MSC_VER
+#define inline __inline
+#endif
+
#ifndef INET6_ADDRSTRLEN
#define INET6_ADDRSTRLEN 46
#endif
-#ifndef toascii
-#define toascii(c) ((c) & 0x7f)
+/* It is in MSVC's <errno.h>, but not defined in MingW+Watcom.
+ */
+#ifndef EAFNOSUPPORT
+#define EAFNOSUPPORT WSAEAFNOSUPPORT
#endif
#ifndef caddr_t
#include <netdb.h>
#if HAVE_INTTYPES_H
#include <inttypes.h>
-#else
-#if HAVE_STDINT_H
+#elif HAVE_STDINT_H
#include <stdint.h>
#endif
-#endif
-#ifdef HAVE_SYS_BITYPES_H
-#include <sys/bitypes.h>
-#endif
#include <sys/param.h>
#include <sys/types.h> /* concession to AIX */
#include <sys/time.h>
#endif /* WIN32 */
-#ifdef INET6
-#include "ip6.h"
+#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
#if defined(WIN32) || defined(MSDOS)
#define FOPEN_WRITE_BIN FOPEN_WRITE_TXT
#endif
-#if defined(__GNUC__) && defined(__i386__) && !defined(__ntohl)
+#if defined(__GNUC__) && defined(__i386__) && !defined(__APPLE__) && !defined(__ntohl)
#undef ntohl
#undef ntohs
#undef htonl
#undef htons
- extern __inline__ unsigned long __ntohl (unsigned long x);
- extern __inline__ unsigned short __ntohs (unsigned short x);
+ 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)
- extern __inline__ unsigned long __ntohl (unsigned long 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 */
return (x);
}
- extern __inline__ unsigned short __ntohs (unsigned short x)
+ static __inline__ unsigned short __ntohs (unsigned short x)
{
__asm__ ("xchgb %b0, %h0" /* swap bytes */
: "=q" (x) : "0" (x));
#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
+ */
+
+#ifndef min
+#define min(a,b) ((a)>(b)?(b):(a))
+#endif
+#ifndef max
+#define max(a,b) ((b)>(a)?(b):(a))
+#endif
+
#endif /* tcpdump_stdinc_h */