socket.h

伯克利做的SFTP安全文件传输协议

// socket.h
// portable header socket functions
// copyright SafeTP Development Group, Inc., 2000  Terms of use are as specified in license.txt

#ifndef __SOCKET_H
#define __SOCKET_H

// ------------- win32 --------------------
#if defined(__WIN32__)

#ifdef USE_MINWIN_H
#  include "..\windoze.h"   // my abbreviated win32 api headers
#else
#  include <windows.h>      // full win32 api
#endif
#include <winsock.h>    // sockets


// ------------ unix ------------------
#elif defined(__CYGWIN__) || defined(__UNIX__)
	    
// some systems (like Linux!) incorrectly #define NULL as ((void*)0), where
// the correct definition (for C++) is:
#ifndef NULL
#  define NULL 0
#endif

#include <sys/types.h>     // Solaris 2.5.1 fix: u_short, required by sys/socket.h
#include <sys/socket.h>    // sockets
#include <sys/time.h>      // timeval
#include <string.h>        // bzero, for FD_SET
#include <netinet/in.h>    // INADDR_*, in_addr, sockaddr_in, htonl etc.
#include <netdb.h>         // getservbyname
#include <arpa/inet.h>     // inet_addr

#ifdef __OSF1__
#  include <strings.h>     // bzero for FD_SET
#endif

// these constants are useful, but appear to be specific to
// winsock; so, I define them here and use them as if they
// were standard
#define INVALID_SOCKET          ((SOCKET)(~0))
#define SOCKET_ERROR            (-1)

// SunOS apparently doesn't have this
#ifndef INADDR_NONE
#  define INADDR_NONE           0xffffffff
#endif

// closesocket
#define closesocket close
#if defined(__CYGWIN__)
#  include <sys/unistd.h>     // close
#else   // __UNIX__
#  include <unistd.h>         // close
#endif


// -------------- portable ---------------
#endif

#include "socketd.h"
  // by pulling in the SOCKET declarations here, we'll get a compiler
  // warning if that declaration differs from the "real" one pulled
  // in from above (e.g. winsock.h)

#endif // __SOCKET_H




// ----- stuff I had here, before I knew which headers had them, on unix -----
#if 0
#define INADDR_ANY              ((unsigned long)0x00000000)
#define INADDR_LOOPBACK         (0x7f000001)
#define INADDR_NONE             0xffffffff

/*
 * Internet address (old style... should be updated)
 */
struct in_addr {
        union {
                struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
                struct { u_short s_w1,s_w2; } S_un_w;
                u_long S_addr;
        } S_un;
#define s_addr  S_un.S_addr
                                /* can be used for most tcp & ip code */
#define s_host  S_un.S_un_b.s_b2
                                /* host on imp */
#define s_net   S_un.S_un_b.s_b1
                                /* network */
#define s_imp   S_un.S_un_w.s_w2
                                /* imp */
#define s_impno S_un.S_un_b.s_b4
                                /* imp # */
#define s_lh    S_un.S_un_b.s_b3
                                /* logical host */
};

/*
 * Socket address, internet style.
 */
struct sockaddr_in {
        short   sin_family;
        u_short sin_port;
        struct  in_addr sin_addr;
        char    sin_zero[8];
};

// htons, htonl, ntohl, ntohs
#define NEED_ENDIAN_CONVERSIONS

u_long htonl (u_long hostlong);
u_short htons (u_short hostshort);
u_long ntohl (u_long netlong);
u_short ntohs (u_short netshort);

#endif // 0 - trash