38 lines
1 KiB
C
38 lines
1 KiB
C
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#ifndef _UTIL_H_
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#define _UTIL_H_ 1
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#define loop for (;;)
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#define BEGIN(a) ((char*)&(a))
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#define END(a) ((char*)&((&(a))[1]))
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#define UBEGIN(a) ((unsigned char*)&(a))
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#define UEND(a) ((unsigned char*)&((&(a))[1]))
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#define ARRAYLEN(array) (sizeof(array)/sizeof((array)[0]))
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#define WSAGetLastError() errno
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#define WSAEINVAL EINVAL
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#define WSAEALREADY EALREADY
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#define WSAEWOULDBLOCK EWOULDBLOCK
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#define WSAEMSGSIZE EMSGSIZE
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#define WSAEINTR EINTR
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#define WSAEINPROGRESS EINPROGRESS
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#define WSAEADDRINUSE EADDRINUSE
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#define WSAENOTSOCK EBADF
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#define INVALID_SOCKET (SOCKET)(~0)
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#define SOCKET_ERROR -1
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inline int myclosesocket(SOCKET& hSocket)
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{
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if (hSocket == INVALID_SOCKET)
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return WSAENOTSOCK;
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#ifdef WIN32
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int ret = closesocket(hSocket);
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#else
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int ret = close(hSocket);
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#endif
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hSocket = INVALID_SOCKET;
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return ret;
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}
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#define closesocket(s) myclosesocket(s)
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#endif
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