111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1997 - 1999
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//
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// File: common.h
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//
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//--------------------------------------------------------------------------
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#ifndef __common_h
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#define __common_h
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//
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// ARRAYSIZE, SIZEOF, and ResultFromShort are defined in private shell
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// headers, but those headers tend to move around, change, and break.
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// Define the macros here so we don't have to include the headers only for
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// this purpose.
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//
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#ifndef ARRAYSIZE
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#define ARRAYSIZE(a) (sizeof(a)/sizeof(a[0]))
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#define SIZEOF(a) sizeof(a)
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#endif
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#ifndef ResultFromShort
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#define ResultFromShort(i) MAKE_HRESULT(SEVERITY_SUCCESS, 0, (USHORT)(i))
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#endif
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//
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// Avoid bringing in C runtime code for NO reason
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//
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#if defined(__cplusplus)
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inline void * __cdecl operator new(size_t size) { return (void *)LocalAlloc(LPTR, size); }
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inline void __cdecl operator delete(void *ptr) { LocalFree(ptr); }
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extern "C" inline __cdecl _purecall(void) { return 0; }
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#endif // __cplusplus
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#include "debug.h"
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#include "unknown.h"
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#include "strings.h"
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#include "priv.h"
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#include "msgpopup.h"
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/*-----------------------------------------------------------------------------
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/ Flags to control the trace output from parts of the common library
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/----------------------------------------------------------------------------*/
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#define TRACE_COMMON_STR 0x80000000
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#define TRACE_COMMON_ASSERT 0x40000000
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#define TRACE_COMMON_MISC 0x20000000
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/*-----------------------------------------------------------------------------
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/ Misc functions (misc.cpp)
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/----------------------------------------------------------------------------*/
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HRESULT CallRegInstall(HMODULE hModule, LPCSTR pszSection);
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#if(_WIN32_WINNT < 0x0500)
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typedef int (CALLBACK *_PFNDPAENUMCALLBACK)(LPVOID p, LPVOID pData);
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void DPA_DestroyCallback(LPVOID, _PFNDPAENUMCALLBACK, LPVOID);
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#ifndef DA_LAST
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#define DA_LAST (0x7FFFFFFF)
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#endif
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#ifndef DPA_AppendPtr
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#define DPA_AppendPtr(hdpa, pitem) DPA_InsertPtr(hdpa, DA_LAST, pitem)
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#endif
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#endif
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/*-----------------------------------------------------------------------------
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/ Exit macros for macro
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/ - these assume that a label "exit_gracefully:" prefixes the prolog
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/ to your function
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/----------------------------------------------------------------------------*/
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#define ExitGracefully(hr, result, text) \
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{ TraceMsg(text); hr = result; goto exit_gracefully; }
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#define FailGracefully(hr, text) \
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{ if ( FAILED(hr) ) { TraceMsg(text); goto exit_gracefully; } }
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/*-----------------------------------------------------------------------------
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/ Interface helper macros
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/----------------------------------------------------------------------------*/
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#define DoRelease(pInterface) \
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{ if ( pInterface ) { pInterface->Release(); pInterface = NULL; } }
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/*-----------------------------------------------------------------------------
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/ String helper macros
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/----------------------------------------------------------------------------*/
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#define StringByteCopy(pDest, iOffset, sz) \
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{ memcpy(&(((LPBYTE)pDest)[iOffset]), sz, StringByteSize(sz)); }
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#define StringByteSize(sz) \
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((lstrlen(sz)+1)*SIZEOF(TCHAR))
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/*-----------------------------------------------------------------------------
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/ Other helpful macros
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/----------------------------------------------------------------------------*/
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#define ByteOffset(base, offset) \
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(((LPBYTE)base)+offset)
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// This wrapper function required to make prefast shut up when we are
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// initializing a critical section in a constructor.
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void ExceptionPropagatingInitializeCriticalSection(LPCRITICAL_SECTION critsec);
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#endif
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