X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/5a2794d55e7a180e56c981ace81f80aac3ae8aaf..10bdeb0c44eb4a997645ebdc15376fb36f9d3ae2:/tcpdump-stdinc.h

diff --git a/tcpdump-stdinc.h b/tcpdump-stdinc.h
index 2663d60f..d350d1be 100644
--- a/tcpdump-stdinc.h
+++ b/tcpdump-stdinc.h
@@ -28,6 +28,8 @@
  * (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)
  */
 
 /*
@@ -44,22 +46,47 @@
 
 #include <stdio.h>
 #include <winsock2.h>
+#include <Ws2tcpip.h>
 #include "bittypes.h"
 #include <ctype.h>
 #include <time.h>
 #include <io.h>
-#include "IP6_misc.h"
 #include <fcntl.h>
+#include <sys/types.h>
+#include <net/netdb.h>  /* 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 <stdint.h>
-int* _errno();
-#define errno (*_errno())
+#endif
 
-#define INET_ADDRSTRLEN 16
-#define INET6_ADDRSTRLEN 46
+/* Protos for missing/x.c functions (ideally <missing/addrinfo.h>
+ * should be used, but it clashes with <ws2tcpip.h>).
+ */
+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);
 
-#endif /* __MINGW32__ */
+#ifndef INET6_ADDRSTRLEN
+#define INET6_ADDRSTRLEN 46
+#endif
 
 #ifndef toascii
 #define toascii(c) ((c) & 0x7f)
@@ -71,29 +98,25 @@ typedef char* caddr_t;
 
 #define MAXHOSTNAMELEN	64
 #define	NI_MAXHOST	1025
-#define IPPROTO_EGP 8		/* Exterior Gateway Protocol */
 #define snprintf _snprintf
 #define vsnprintf _vsnprintf
 #define RETSIGTYPE void
 
-#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 O_RDONLY _O_RDONLY
-
-typedef short ino_t;
-#endif /* __MINGW32__ */
-
 #else /* WIN32 */
 
 #include <ctype.h>
 #include <unistd.h>
 #include <netdb.h>
+#if HAVE_INTTYPES_H
+#include <inttypes.h>
+#else
+#if 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>
@@ -108,10 +131,43 @@ typedef short ino_t;
 
 #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)).
+ */
+#define UNALIGNED	__attribute__((packed))
+
 #if defined(WIN32) || defined(MSDOS)
   #define FOPEN_READ_TXT   "rt"
   #define FOPEN_READ_BIN   "rb"
@@ -124,4 +180,47 @@ typedef short ino_t;
   #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 */