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Annotation of mstools/samples/mcitest/gmem.h, revision 1.1.1.1

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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