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Annotation of mstools/samples/mcitest/gmem.h, revision 1.1

1.1     ! root        1: /*
        !             2:     gmem.h
        !             3: 
        !             4:     This module supplies macros for fixed global memory
        !             5:     allocation compatible with those used in the Multimedia
        !             6:     extensions to Windows 3.x.  It is included to simplify
        !             7:     porting of the Windows 3.x 16 bit code.
        !             8: 
        !             9:     Jul-16-91   NigelT
        !            10: 
        !            11: */
        !            12: 
        !            13: #ifndef _GMEMMACROS_
        !            14: #define _GMEMMACROS_
        !            15: 
        !            16: #define GAllocPtr(ul)       GlobalAlloc(GPTR,(ul))
        !            17: #define GAllocPtrF(f,ul)    GlobalAlloc(GPTR,(ul))
        !            18: #define GReAllocPtr(lp,ul)  GlobalReAlloc((HANDLE)(lp),(ul),GPTR)
        !            19: #define GFreePtr(lp)        GlobalFree((HANDLE)(lp))
        !            20: 
        !            21: #define GlobalAllocPtrF(f,ul)    GlobalAlloc(GPTR,(ul))
        !            22: //#define GlobalReAllocPtr(lp,ul,f)  GlobalReAlloc((HANDLE)(lp),(ul),GPTR)
        !            23: 
        !            24: #define GlobalPtrHandle(h)   (GlobalHandle(h))
        !            25: 
        !            26: /* the following are extracts from 3.1 WindowsX.h */
        !            27: #define     GlobalUnlockPtr(lp)        \
        !            28:                 GlobalUnlock(GlobalPtrHandle(lp))
        !            29: 
        !            30: #define     GlobalAllocPtr(flags, cb)  \
        !            31:                 (GlobalLock(GlobalAlloc((flags), (cb))))
        !            32: 
        !            33: #define     GlobalReAllocPtr(lp, cbNew, flags) \
        !            34:                 (GlobalUnlockPtr(lp), GlobalLock(GlobalReAlloc(GlobalPtrHandle(lp) , (cbNew), (flags))))
        !            35: 
        !            36: #define     GlobalFreePtr(lp)          \
        !            37:                 (GlobalUnlockPtr(lp), (BOOL)GlobalFree(GlobalPtrHandle(lp)))
        !            38: 
        !            39: #endif // _GMEMMACROS_

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