windows-nt/Source/XPSP1/NT/multimedia/directx/dxg/misc/dxvalid.h

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2020-09-26 03:20:57 -05:00
//--------------------------------------------------------------------------;
//
// File: dxvalid.h
//
// Copyright (c) 1996 Microsoft Corporation. All Rights Reserved.
//
// Abstract:
// This header contains common parameter validate macros for DirectX.
//
// History:
// 02/14/96 angusm Initial version
// 03/05/96 angusm added VALIDEX_GUID_PTR
//
//--------------------------------------------------------------------------;
// _________________________________________________________________________
// VALIDEX_xxx
// macros are the same for debug and retail
#define VALIDEX_PTR( ptr, size ) \
(!IsBadReadPtr( ptr, size) )
#define VALIDEX_GUID_PTR( ptr ) \
(!IsBadReadPtr( ptr, sizeof( GUID ) ) )
#define VALIDEX_IID_PTR( ptr ) \
(!IsBadReadPtr( ptr, sizeof( IID )) )
#define VALIDEX_PTR_PTR( ptr ) \
(!IsBadWritePtr( ptr, sizeof( LPVOID )) )
#define VALIDEX_CODE_PTR( ptr ) \
(!IsBadCodePtr( (LPVOID) ptr ) )
// _________________________________________________________________________
// VALID_xxx
// macros that check memory allocated and sent as API parameters
#ifndef DEBUG
#define FAST_CHECKING
#endif
#ifndef FAST_CHECKING
#define VALID_BOOL_PTR( ptr ) \
(!IsBadWritePtr( ptr, sizeof( BOOL ) ))
#define VALID_DDCOLORKEY_PTR( ptr ) \
(!IsBadWritePtr( ptr, sizeof( DDCOLORKEY ) ) )
#define VALID_RGNDATA_PTR( ptr ) \
(!IsBadWritePtr( ptr, sizeof( RGNDATA ) ) )
#define VALID_RECT_PTR( ptr ) \
(!IsBadWritePtr( ptr, sizeof( RECT ) ) )
#define VALID_PTR_PTR( ptr ) \
(!IsBadWritePtr( ptr, sizeof( LPVOID )) )
#define VALID_IID_PTR( ptr ) \
(!IsBadReadPtr( ptr, sizeof( IID )) )
#define VALID_HWND_PTR( ptr ) \
(!IsBadWritePtr( (LPVOID) ptr, sizeof( HWND )) )
#define VALID_VMEM_PTR( ptr ) \
(!IsBadWritePtr( (LPVOID) ptr, sizeof( VMEM )) )
#define VALID_POINTER_ARRAY( ptr, cnt ) \
(!IsBadWritePtr( ptr, sizeof( LPVOID ) * cnt ) )
#define VALID_HANDLE_PTR( ptr ) \
(!IsBadWritePtr( ptr, sizeof( HANDLE )) )
#define VALID_DWORD_ARRAY( ptr, cnt ) \
(!IsBadWritePtr( ptr, sizeof( DWORD ) * cnt ) )
#define VALID_GUID_PTR( ptr ) \
(!IsBadReadPtr( ptr, sizeof( GUID ) ) )
#define VALID_BYTE_ARRAY( ptr, cnt ) \
(!IsBadWritePtr( ptr, sizeof( BYTE ) * cnt ) )
#define VALID_PTR( ptr, size ) \
(!IsBadReadPtr( ptr, size) )
#else
#define VALID_PTR( ptr, size ) 1
#define VALID_DIRECTDRAW_PTR( ptr ) 1
#define VALID_DIRECTDRAWSURFACE_PTR( ptr ) 1
#define VALID_DIRECTDRAWPALETTE_PTR( ptr ) 1
#define VALID_DIRECTDRAWCLIPPER_PTR( ptr ) 1
#define VALID_DDSURFACEDESC_PTR( ptr ) (ptr->dwSize == sizeof( DDSURFACEDESC ))
#define VALID_BOOL_PTR( ptr ) 1
#define VALID_HDC_PTR( ptr ) 1
#define VALID_DDPIXELFORMAT_PTR( ptr ) (ptr->dwSize == sizeof( DDPIXELFORMAT ))
#define VALID_DDCOLORKEY_PTR( ptr ) 1
#define VALID_RGNDATA_PTR( ptr ) 1
#define VALID_RECT_PTR( ptr ) 1
#define VALID_DDOVERLAYFX_PTR( ptr ) (ptr->dwSize == sizeof( DDOVERLAYFX ))
#define VALID_DDBLTFX_PTR( ptr ) (ptr->dwSize == sizeof( DDBLTFX ))
#define VALID_DDBLTBATCH_PTR( ptr ) 1
#define VALID_DDMASK_PTR( ptr ) 1
#define VALID_DDSCAPS_PTR( ptr ) 1
#define VALID_PTR_PTR( ptr ) 1
#define VALID_IID_PTR( ptr ) 1
#define VALID_HWND_PTR( ptr ) 1
#define VALID_VMEM_PTR( ptr ) 1
#define VALID_POINTER_ARRAY( ptr, cnt ) 1
#define VALID_PALETTEENTRY_ARRAY( ptr, cnt ) 1
#define VALID_HANDLE_PTR( ptr ) 1
#define VALID_DDCAPS_PTR( ptr ) (ptr->dwSize == sizeof( DDCAPS ))
#define VALID_READ_DDSURFACEDESC_ARRAY( ptr, cnt ) 1
#define VALID_DWORD_ARRAY( ptr, cnt ) 1
#define VALID_GUID_PTR( ptr ) 1
#define VALID_BYTE_ARRAY( ptr, cnt ) 1
#endif