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164 lines
4.4 KiB
164 lines
4.4 KiB
/*****************************************************************/
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/** Microsoft Windows for Workgroups **/
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/** Copyright (C) Microsoft Corp., 1991-1992 **/
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/*****************************************************************/
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/* NPCOMMON.H -- Internal standard header for network provider common library.
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*
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* ATTENTION: This file is used by 16bit components and should be
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* maintained as such.
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*
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* History:
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* 03/22/93 gregj Created
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* 04/02/93 lens Added _INC_NPDEFS define and _INC_WINDOWS test.
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*
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*/
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#ifndef _INC_NPDEFS
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#define _INC_NPDEFS
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#ifndef RC_INVOKED
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#pragma warning(disable:4147) // warning about ignoring __loadds on function
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// ptr decls, of which there are 5 in windows.h
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#pragma warning(disable:4118) // warning about not accepting the intrinsic function pragma
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// during a fast compile
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// Macro to quiet compiler for an unused formal parameter.
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#define UNUSED(x) ((void)(x))
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#endif
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#ifndef _INC_WINDOWS
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#include <windows.h>
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#endif
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#ifdef IS_32
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#ifndef _INC_NETSPI
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#include <netspi.h>
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#endif
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#ifndef _STRING_HXX_
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#include <npstring.h>
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#endif
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#endif /* IS_32 */
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// Fixup for when RESOURCETYPE_ANY was not compatible with NT.
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// Codework: remove from system.
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#define RESOURCETYPE_ANY1 RESOURCETYPE_RESERVED
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#define CHAR char
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#define INT int
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typedef unsigned short WCHAR;
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typedef unsigned short USHORT;
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typedef WORD HANDLE16;
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#ifndef APIENTRY
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#define APIENTRY FAR PASCAL
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#endif
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#define FAR_NETLIB /* our netlib is in netapi.dll, and always far */
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#ifndef IS_32
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#ifndef LOADDS
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#define LOADDS __loadds
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#endif
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#else
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#define LOADDS
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#endif
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#ifndef HNRES
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typedef HANDLE HNRES;
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#endif
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// That is common return type used in both common and mnr projects
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#ifndef MNRSTATUS
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#ifdef IS_32
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#define MNRSTATUS UINT
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#else
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#define MNRSTATUS WORD
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#endif
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#endif
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#define MNRENTRY DWORD APIENTRY
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// Find size of structure upto and including a field that may be the last field in the structure.
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#define SIZE_TO_FIELD(s,f) (sizeof(((s *)NULL)->f) + (LPBYTE)&(((s *)NULL)->f) - (LPBYTE)NULL)
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// Null strings are quite often taken to be either a NULL pointer or a zero
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#define IS_EMPTY_STRING(pch) ( !pch || !*(pch) )
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/*******************************************************************
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Macro Description:
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This macro is used to test that a LoadLibrary call succeeded.
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Arguments:
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hModule - the handle returned from the LoadLibrary call.
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Notes:
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Win31 documentation says that errors are less than HINSTANCE_ERROR
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and that success is greater than 32. Since HINSTANCE_ERROR is 32,
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this leaves the value of 32 as being undefined!
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*******************************************************************/
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#ifdef IS_32
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#define MNRVALIDDLLHANDLE(hdll) (hdll != NULL)
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#else
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#define MNRVALIDDLLHANDLE(hdll) (hdll > HINSTANCE_ERROR)
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#endif
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/*******************************************************************
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Macro Description:
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This macro is used to determine if a buffer passed in has valid
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addresses and writeable memory.
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Arguments:
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lpBuffer - the address of the buffer.
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lpcbBuffer - the address of a DWORD containing the size of the
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buffer that is filled in on return with the
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required size of the buffer if the buffer
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is not large enough.
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Evalutes to:
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An expression that returns TRUE or FALSE.
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Notes:
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Only valid for Win32 applications to call.
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The macro does weak validation as it is used generically in many APIs.
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In particular, this means that the macro succeeds a NULL lpcbBuffer,
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and zero *lpcbBuffer. In neither of these cases does it validate
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that lpBuffer is a valid address (and relies upon the behavior of
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IsBadWritePtr when *lpcbBuffer is zero).
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*******************************************************************/
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#define IS_BAD_WRITE_BUFFER(lpBuffer,lpcbBuffer) \
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((lpcbBuffer != NULL) && \
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(IsBadWritePtr(lpcbBuffer, sizeof(DWORD)) || \
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IsBadWritePtr(lpBuffer, *lpcbBuffer)))
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#ifdef IS_32
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extern "C" { /* Know we're using C++ internally */
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NLS_STR FAR * NPSERVICE NPSGetStatusText(DWORD dwError,
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LPBOOL pbStatic);
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DWORD NPSERVICE NPSCopyNLS(NLS_STR FAR *pnlsSourceString,
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LPVOID lpDestBuffer,
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LPDWORD lpBufferSize);
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}
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#endif /* IS_32 */
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#endif /* !_INC_NPDEFS */
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