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192 lines
6.3 KiB
192 lines
6.3 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1994.
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//
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// File: transmit.h
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//
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// Contents: Function prototypes for STGMEDIUM marshalling.
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//
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// Functions: STGMEDIUM_to_xmit
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// STGMEDIUM_from_xmit
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// STGMEDIUM_free_inst
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//
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// History: May-10-94 ShannonC Created
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// History: May-10-95 Ryszardk wire_marshal changes
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//
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//--------------------------------------------------------------------------
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#pragma once
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#ifndef __TRANSMIT_H__
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#define __TRANSMIT_H__
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#include <debnot.h>
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#if (DBG==1)
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DECLARE_DEBUG(UserNdr)
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//
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#define UserNdrDebugOut(x) UserNdrInlineDebugOut x
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#define UserNdrAssert(x) Win4Assert(x)
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#define UserNdrVerify(x) Win4Assert(x)
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//#define UNDR_FORCE DEB_FORCE
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#define UNDR_FORCE 0
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#define UNDR_OUT1 0
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#define UNDR_OUT4 0
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EXTERN_C char *
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WdtpGetStgmedName( STGMEDIUM * );
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#else
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#define UserNdrDebugOut(x)
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#define UserNdrAssert(x)
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#define UserNdrVerify(x)
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#define UNDR_FORCE 0
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#define UNDR_OUT1 0
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#define UNDR_OUT4 0
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#endif
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// Shortcut typedefs.
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typedef unsigned char uchar;
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typedef unsigned short ushort;
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typedef unsigned long ulong;
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typedef unsigned int uint;
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#ifndef TRUE
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#define TRUE (1)
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#define FALSE (0)
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typedef unsigned short BOOL;
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#endif
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//
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// Alignment and access macros.
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//
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#define ALIGN( pStuff, cAlign ) \
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pStuff = (unsigned char *)((ULONG_PTR)((pStuff) + (cAlign)) & ~ (cAlign))
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#define LENGTH_ALIGN( Length, cAlign ) \
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Length = (((Length) + (cAlign)) & ~ (cAlign))
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#define PCHAR_LV_CAST *(char __RPC_FAR * __RPC_FAR *)&
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#define PSHORT_LV_CAST *(short __RPC_FAR * __RPC_FAR *)&
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#define PLONG_LV_CAST *(long __RPC_FAR * __RPC_FAR *)&
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#define PHYPER_LV_CAST *(hyper __RPC_FAR * __RPC_FAR *)&
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#define PUSHORT_LV_CAST *(unsigned short __RPC_FAR * __RPC_FAR *)&
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#define PULONG_LV_CAST *(unsigned long __RPC_FAR * __RPC_FAR *)&
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// Just a pointer sized random thing we can identify in the stream.
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// For error checking purposes only.
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#define USER_MARSHAL_MARKER 0x72657355
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//
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// These are based on flags defined in wtypes.idl comming from the channel.
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// They indicate where we are marshalling.
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//
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#define INPROC_CALL( Flags) (USER_CALL_CTXT_MASK(Flags) == MSHCTX_INPROC)
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#define REMOTE_CALL( Flags) ((USER_CALL_CTXT_MASK(Flags) == MSHCTX_DIFFERENTMACHINE) \
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|| (USER_CALL_CTXT_MASK(Flags) == MSHCTX_NOSHAREDMEM))
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#define DIFFERENT_MACHINE_CALL( Flags) \
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(USER_CALL_CTXT_MASK(Flags) == MSHCTX_DIFFERENTMACHINE)
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// There is a difference in the scope of handles, Daytona vs. Chicago.
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// The following is an illustration of the notions of
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// HGLOBAL handle vs. data passing and GDI handle vs. data passing.
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// The type of an rpc call is defined by the flags above.
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//
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// This is included only for historical interest, as this code no longer
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// has anything to do with chicago, win9x, or any of that goo.
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//
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// Daytona rules: GDI same as HGLOBAL
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//I------------I----------------I-----------------------------------I
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//I inproc I same machine I diff. machine (a.k.a "remote" ) I
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//I------------I----------------------------------------------------I
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//| HGLOBL h.p.| HGLOBAL data passing |
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//|------------|----------------------------------------------------|
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//| GDI h.p. | GDI data passing |
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//|------------|----------------------------------------------------|
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//
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// Chicago rules: HGLOBAL stricter than GDI.
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//I------------I----------------I-----------------------------------I
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//I inproc I same machine I diff. machine (a.k.a "remote" ) I
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//I------------I----------------------------------------------------I
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//| HGLOBL h.p.| HGLOBAL data passing |
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//|-----------------------------------------------------------------|
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//| GDI handle passing | GDI data passing |
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//|-----------------------------|-----------------------------------|
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#define HGLOBAL_HANDLE_PASSING( Flags ) INPROC_CALL( Flags)
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#define HGLOBAL_DATA_PASSING( Flags ) (!INPROC_CALL( Flags))
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#define GDI_HANDLE_PASSING( Flags ) HGLOBAL_HANDLE_PASSING( Flags )
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#define GDI_DATA_PASSING( Flags ) HGLOBAL_DATA_PASSING( Flags )
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#define WDT_DATA_MARKER WDT_REMOTE_CALL
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#define WDT_HANDLE_MARKER WDT_INPROC_CALL
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#define WDT_HANDLE64_MARKER WDT_INPROC64_CALL
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#define IS_DATA_MARKER( dw ) (WDT_REMOTE_CALL == dw)
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#define IS_HANDLE_MARKER( dw ) (WDT_INPROC_CALL == dw)
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#define IS_HANDLE64_MARKER( dw ) (WDT_INPROC64_CALL == dw)
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//
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// CLIPFORMAT remoting
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//
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#define CLIPFORMAT_BUFFER_MAX 248
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#define NON_STANDARD_CLIPFORMAT(pcf)((0xC000<= *pcf) && (*pcf <=0xFFFF))
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#define REMOTE_CLIPFORMAT(pFlags) ((USER_CALL_CTXT_MASK(*pFlags) == MSHCTX_DIFFERENTMACHINE) )
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//
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// Useful memory macros, for consistency.
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//
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#define WdtpMemoryCopy(Destination, Source, Length) \
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RtlCopyMemory(Destination, Source, Length)
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#define WdtpZeroMemory(Destination, Length) \
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RtlZeroMemory(Destination, Length)
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#define WdtpAllocate(p,size) \
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((USER_MARSHAL_CB *)p)->pStubMsg->pfnAllocate( size )
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#define WdtpFree(pf,ptr) \
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((USER_MARSHAL_CB *)pf)->pStubMsg->pfnFree( ptr )
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//
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// Used in call_as.c
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//
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EXTERN_C
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void NukeHandleAndReleasePunk(
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STGMEDIUM * pStgmed );
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//
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// Useful checking/exception routines.
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//
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#if DBG==1
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#define RAISE_RPC_EXCEPTION( e ) \
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{ \
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Win4Assert( !"Wire marshaling problem!" ); \
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RpcRaiseException( (e) ); \
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}
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#else
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#define RAISE_RPC_EXCEPTION( e ) \
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{ \
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RpcRaiseException( (e) ); \
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}
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#endif
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#define CHECK_BUFFER_SIZE( b, s ) \
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if ( (b) < (s) ) \
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{ \
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RAISE_RPC_EXCEPTION( RPC_X_BAD_STUB_DATA ); \
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}
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#endif // __TRANSMIT_H__
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