mirror of
https://github.com/reactos/reactos.git
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301 lines
7.6 KiB
C
301 lines
7.6 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS WinSock 2 API
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* FILE: dll/win32/ws2_32_new/src/enumprot.c
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* PURPOSE: Protocol Enumeration
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* PROGRAMMER: Alex Ionescu (alex@relsoft.net)
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*/
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/* INCLUDES ******************************************************************/
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#include <ws2_32.h>
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS *****************************************************************/
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BOOL
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WSAAPI
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CheckProtocolMatch(IN LPINT ProtocolSet,
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IN LPWSAPROTOCOL_INFOW ProtocolInfo)
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{
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BOOL Return = FALSE;
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DWORD i = 0;
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INT ProtocolId;
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/* Make sure we have a set */
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if (ProtocolSet)
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{
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/* Get the first ID */
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ProtocolId = ProtocolSet[i];
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/* Loop the list */
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while (ProtocolId != 0 && ProtocolInfo->iProtocol != 0)
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{
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/* Check if it's within ranges */
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if ((ProtocolId >= ProtocolInfo->iProtocol) &&
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(ProtocolId <= (ProtocolInfo->iProtocol +
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ProtocolInfo->iProtocolMaxOffset)))
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{
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/* Found it */
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Return = TRUE;
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break;
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}
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/* Move on */
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i++;
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ProtocolId = ProtocolSet[i];
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}
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}
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else
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{
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/* Assume match */
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Return = TRUE;
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}
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/* Return result */
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return Return;
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}
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VOID
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WSAAPI
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ProtocolInfoFromContext(IN LPWSAPROTOCOL_INFOW ProtocolInfo,
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IN PPROTOCOL_ENUM_CONTEXT Context)
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{
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/* Check if we'll have space */
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if ((Context->BufferUsed + sizeof(*ProtocolInfo)) <=
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(Context->BufferLength))
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{
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/* Copy the data */
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RtlMoveMemory((PVOID)((ULONG_PTR)Context->ProtocolBuffer +
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Context->BufferUsed),
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ProtocolInfo,
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sizeof(*ProtocolInfo));
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/* Increase the count */
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Context->Count++;
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}
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}
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BOOL
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WSAAPI
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ProtocolEnumerationProc(PVOID EnumContext,
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PTCATALOG_ENTRY Entry)
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{
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PPROTOCOL_ENUM_CONTEXT Context = (PPROTOCOL_ENUM_CONTEXT)EnumContext;
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LPWSAPROTOCOL_INFOW ProtocolInfo = &Entry->ProtocolInfo;
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/* Check if this protocol matches */
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if (CheckProtocolMatch(Context->Protocols, ProtocolInfo))
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{
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/* Copy the information */
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ProtocolInfoFromContext(ProtocolInfo, Context);
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Context->BufferUsed += sizeof(*ProtocolInfo);
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}
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/* Continue enumeration */
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return TRUE;
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}
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PTCATALOG
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WSAAPI
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OpenInitializedCatalog(VOID)
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{
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PTCATALOG Catalog;
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HKEY WsKey;
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/* Allocate the catalog */
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Catalog = WsTcAllocate();
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if (Catalog)
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{
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/* Open the WS Key */
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WsKey = WsOpenRegistryRoot();
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/* Initialize the catalog */
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WsTcInitializeFromRegistry(Catalog, WsKey, NULL);
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/* Close the key */
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RegCloseKey(WsKey);
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}
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/* Return it */
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return Catalog;
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}
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/*
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* @implemented
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*/
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INT
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WSPAPI
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WSCEnumProtocols(IN LPINT lpiProtocols,
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OUT LPWSAPROTOCOL_INFOW lpProtocolBuffer,
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IN OUT LPDWORD lpdwBufferLength,
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OUT LPINT lpErrno)
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{
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INT Status;
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PTCATALOG Catalog;
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PROTOCOL_ENUM_CONTEXT Context;
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DPRINT("WSCEnumProtocols: %p\n", lpiProtocols);
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/* Create a catalog object from the current one */
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Catalog = OpenInitializedCatalog();
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if (!Catalog)
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{
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/* Fail if we couldn't */
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*lpErrno = WSAENOBUFS;
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return SOCKET_ERROR;
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}
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/* Setup the context */
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Context.Protocols = lpiProtocols;
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Context.ProtocolBuffer = lpProtocolBuffer;
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Context.BufferLength = lpProtocolBuffer ? *lpdwBufferLength : 0;
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Context.BufferUsed = 0;
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Context.Count = 0;
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Context.ErrorCode = ERROR_SUCCESS;
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/* Enumerate the catalog */
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WsTcEnumerateCatalogItems(Catalog, ProtocolEnumerationProc, &Context);
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/* Get status */
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Status = Context.Count;
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/* Check the error code */
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if (Context.ErrorCode == ERROR_SUCCESS)
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{
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/* Check if enough space was available */
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if (Context.BufferLength < Context.BufferUsed)
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{
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/* Fail and tell them how much we need */
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*lpdwBufferLength = Context.BufferUsed;
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*lpErrno = WSAENOBUFS;
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Status = SOCKET_ERROR;
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}
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}
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else
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{
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/* Failure, normalize error */
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Status = SOCKET_ERROR;
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*lpErrno = Context.ErrorCode;
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}
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/* Delete the catalog object */
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WsTcDelete(Catalog);
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/* Return */
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return Status;
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}
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/*
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* @implemented
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*/
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INT
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WSAAPI
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WSAEnumProtocolsA(IN LPINT lpiProtocols,
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OUT LPWSAPROTOCOL_INFOA lpProtocolBuffer,
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IN OUT LPDWORD lpdwBufferLength)
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{
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INT error, i, count;
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LPWSAPROTOCOL_INFOW protocolInfoW;
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DWORD size;
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DPRINT("WSAEnumProtocolsA: %p %p %p\n", lpiProtocols, lpProtocolBuffer, lpdwBufferLength);
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if (!lpdwBufferLength)
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{
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SetLastError(WSAENOBUFS);
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return SOCKET_ERROR;
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}
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count = WSCEnumProtocols(lpiProtocols, NULL, &size, &error);
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if (!lpProtocolBuffer || *lpdwBufferLength < (size/sizeof(WSAPROTOCOL_INFOW))*sizeof(WSAPROTOCOL_INFOA))
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{
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*lpdwBufferLength = (size/sizeof(WSAPROTOCOL_INFOW))*sizeof(WSAPROTOCOL_INFOA);
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SetLastError(WSAENOBUFS);
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return SOCKET_ERROR;
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}
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protocolInfoW = HeapAlloc(WsSockHeap, 0, size);
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count = WSCEnumProtocols(lpiProtocols, protocolInfoW, &size, &error);
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if (SOCKET_ERROR == count)
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{
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HeapFree(WsSockHeap, 0, protocolInfoW);
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SetLastError(error);
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return SOCKET_ERROR;
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}
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*lpdwBufferLength = 0;
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for (i = 0; i < count; i++)
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{
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/* Copy the data */
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RtlMoveMemory(&lpProtocolBuffer[i],
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&protocolInfoW[i],
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sizeof(lpProtocolBuffer[0])-sizeof(lpProtocolBuffer[0].szProtocol));
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wcstombs(lpProtocolBuffer[i].szProtocol, protocolInfoW[i].szProtocol, sizeof(lpProtocolBuffer[0].szProtocol));
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*lpdwBufferLength += sizeof(WSAPROTOCOL_INFOA);
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}
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HeapFree(WsSockHeap, 0, protocolInfoW);
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return i;
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}
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/*
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* @implemented
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*/
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INT
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WSAAPI
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WSAEnumProtocolsW(IN LPINT lpiProtocols,
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OUT LPWSAPROTOCOL_INFOW lpProtocolBuffer,
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IN OUT LPDWORD lpdwBufferLength)
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{
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INT error, count;
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DPRINT("WSAEnumProtocolsW: %p %p %p\n", lpiProtocols, lpProtocolBuffer, lpdwBufferLength);
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count = WSCEnumProtocols(lpiProtocols, lpProtocolBuffer, lpdwBufferLength, &error);
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if (SOCKET_ERROR == count)
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{
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SetLastError(error);
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return SOCKET_ERROR;
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}
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return count;
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}
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/*
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* @implemented
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*/
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INT
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WSPAPI
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WPUGetProviderPath(IN LPGUID lpProviderId,
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OUT LPWSTR lpszProviderDllPath,
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IN OUT LPINT lpProviderDllPathLen,
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OUT LPINT lpErrno)
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{
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return WSCGetProviderPath(lpProviderId, lpszProviderDllPath, lpProviderDllPathLen, lpErrno);
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}
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/*
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* @implemented
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*/
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INT
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WSAAPI
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WSAProviderConfigChange(IN OUT LPHANDLE lpNotificationHandle,
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IN LPWSAOVERLAPPED lpOverlapped,
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IN LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
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{
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DPRINT("WSAProviderConfigChange: %p\n", lpNotificationHandle);
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UNIMPLEMENTED;
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SetLastError(WSAEINVAL);
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return SOCKET_ERROR;
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}
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/*
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* @unimplemented
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*/
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INT
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WSPAPI
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WSCGetProviderPath(IN LPGUID lpProviderId,
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OUT LPWSTR lpszProviderDllPath,
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IN OUT LPINT lpProviderDllPathLen,
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OUT LPINT lpErrno)
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{
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DPRINT("WSCGetProviderPath: %p %p %p %p\n", lpProviderId, lpszProviderDllPath, lpProviderDllPathLen, lpErrno);
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UNIMPLEMENTED;
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SetLastError(WSAEINVAL);
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return SOCKET_ERROR;
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}
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