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/*
* Copyright (C) 2009 Robert Shearman
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
/*
* Oracle LGPL Disclaimer: For the avoidance of doubt, except that if any license choice
* other than GPL or LGPL is available it will apply instead, Oracle elects to use only
* the Lesser General Public License version 2.1 (LGPLv2) at this time for any software where
* a choice of LGPL license versions is made available with the language indicating
* that LGPLv2 or any later version may be used, or where a choice of which version
* of the LGPL is applied is otherwise unspecified.
*/
#ifndef _WS2DEF_
#define _WS2DEF_
#include <inaddr.h>
#ifdef USE_WS_PREFIX
#define WS(x) WS_##x
#else
#define WS(x) x
#endif
#ifndef __CSADDR_DEFINED__
#define __CSADDR_DEFINED__
typedef struct _SOCKET_ADDRESS {
LPSOCKADDR lpSockaddr;
INT iSockaddrLength;
} SOCKET_ADDRESS, *PSOCKET_ADDRESS, *LPSOCKET_ADDRESS;
typedef struct _CSADDR_INFO {
SOCKET_ADDRESS LocalAddr;
SOCKET_ADDRESS RemoteAddr;
INT iSocketType;
INT iProtocol;
} CSADDR_INFO, *PCSADDR_INFO, *LPCSADDR_INFO;
#endif
#ifdef USE_WS_PREFIX
#define WS__SS_MAXSIZE 128
#define WS__SS_ALIGNSIZE (sizeof(__int64))
#define WS__SS_PAD1SIZE (WS__SS_ALIGNSIZE - sizeof(short))
#define WS__SS_PAD2SIZE (WS__SS_MAXSIZE - 2 * WS__SS_ALIGNSIZE)
#else
#define _SS_MAXSIZE 128
#define _SS_ALIGNSIZE (sizeof(__int64))
#define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(short))
#define _SS_PAD2SIZE (_SS_MAXSIZE - 2 * _SS_ALIGNSIZE)
#endif
typedef struct WS(sockaddr_storage) {
short ss_family;
char __ss_pad1[WS(_SS_PAD1SIZE)];
__int64 DECLSPEC_ALIGN(8) __ss_align;
char __ss_pad2[WS(_SS_PAD2SIZE)];
} SOCKADDR_STORAGE, *PSOCKADDR_STORAGE, *LPSOCKADDR_STORAGE;
/*socket address list */
typedef struct _SOCKET_ADDRESS_LIST {
INT iAddressCount;
SOCKET_ADDRESS Address[1];
} SOCKET_ADDRESS_LIST, *LPSOCKET_ADDRESS_LIST;
typedef enum {
ScopeLevelInterface = 1,
ScopeLevelLink = 2,
ScopeLevelSubnet = 3,
ScopeLevelAdmin = 4,
ScopeLevelSite = 5,
ScopeLevelOrganization = 8,
ScopeLevelGlobal = 14
} SCOPE_LEVEL;
typedef struct _WSABUF
{
ULONG len;
CHAR* buf;
} WSABUF, *LPWSABUF;
typedef struct _WSAMSG {
LPSOCKADDR name;
INT namelen;
LPWSABUF lpBuffers;
DWORD dwBufferCount;
WSABUF Control;
DWORD dwFlags;
} WSAMSG, *PWSAMSG, *LPWSAMSG;
/*
* Macros for retrieving control message data returned by WSARecvMsg()
*/
#define WSA_CMSG_DATA(cmsg) ((UCHAR*)((WSACMSGHDR*)(cmsg)+1))
#define WSA_CMSG_FIRSTHDR(mhdr) ((mhdr)->Control.len >= sizeof(WSACMSGHDR) ? (WSACMSGHDR *) (mhdr)->Control.buf : (WSACMSGHDR *) 0)
#define WSA_CMSG_ALIGN(len) (((len) + sizeof(SIZE_T) - 1) & ~(sizeof(SIZE_T) - 1))
/*
* Next Header: If the response is too short (or the next message in the response
* is too short) then return NULL, otherwise return the next control message.
*/
#define WSA_CMSG_NXTHDR(mhdr,cmsg) \
(!(cmsg) ? WSA_CMSG_FIRSTHDR(mhdr) : \
((mhdr)->Control.len < sizeof(WSACMSGHDR) ? NULL : \
(((unsigned char*)(((WSACMSGHDR*)((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len)))+1) > ((unsigned char*)(mhdr)->Control.buf + (mhdr)->Control.len)) ? NULL : \
(((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len)+WSA_CMSG_ALIGN(((WSACMSGHDR*)((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len)))->cmsg_len) > ((unsigned char*)(mhdr)->Control.buf + (mhdr)->Control.len)) ? NULL : \
(WSACMSGHDR*)((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len))))))
#endif /* _WS2DEF_ */
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