neobytes/src/compat.h

// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#ifndef _BITCOIN_COMPAT_H
#define _BITCOIN_COMPAT_H 1

typedef u_int SOCKET;
#ifdef WIN32
#define MSG_NOSIGNAL        0
#define MSG_DONTWAIT        0
typedef int socklen_t;
#else
#include "errno.h"
#define WSAGetLastError()   errno
#define WSAEINVAL           EINVAL
#define WSAEALREADY         EALREADY
#define WSAEWOULDBLOCK      EWOULDBLOCK
#define WSAEMSGSIZE         EMSGSIZE
#define WSAEINTR            EINTR
#define WSAEINPROGRESS      EINPROGRESS
#define WSAEADDRINUSE       EADDRINUSE
#define WSAENOTSOCK         EBADF
#define INVALID_SOCKET      (SOCKET)(~0)
#define SOCKET_ERROR        -1
#endif

inline int myclosesocket(SOCKET& hSocket)
{
    if (hSocket == INVALID_SOCKET)
        return WSAENOTSOCK;
#ifdef WIN32
    int ret = closesocket(hSocket);
#else
    int ret = close(hSocket);
#endif
    hSocket = INVALID_SOCKET;
    return ret;
}
#define closesocket(s)      myclosesocket(s)

#endif