Windows Kernel

Development Platform:

Visual C++

common.h：Code Content

							#ifndef __common_h
#define __common_h
/*-----------------------------------------------------------------------------
/ Exit macros for macro
/   - these assume that a label "exit_gracefully:" prefixes the prolog
/     to your function
/----------------------------------------------------------------------------*/
#if !DSUI_DEBUG
#define ExitGracefully(hr, result, text)            
            {  hr = result; goto exit_gracefully; }
#define FailGracefully(hr, text)                    
	    { if ( FAILED(hr) ) { goto exit_gracefully; } }
#else
#define ExitGracefully(hr, result, text)            
            { OutputDebugString(TEXT(text)); hr = result; goto exit_gracefully; }
#define FailGracefully(hr, text)                    
	    { if ( FAILED(hr) ) { OutputDebugString(TEXT(text)); goto exit_gracefully; } }
#endif
/*-----------------------------------------------------------------------------
/ 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)
#ifndef ARRAYSIZE
#define ARRAYSIZE(a)                (sizeof(a)/sizeof(a[0]))
#endif
#endif

						