windows-nt/Source/XPSP1/NT/shell/osshell/security/inc/common.h
2020-09-26 16:20:57 +08:00

111 lines
3.8 KiB
C

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