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Annotation of mstools/samples/sdktools/perfmon/memory.c, revision 1.1

1.1     ! root        1: 
        !             2: 
        !             3: 
        !             4: #include "perfmon.h"    // included by all perfmon sources
        !             5: #include "pmemory.h"     // external declarations for this file
        !             6: 
        !             7: 
        !             8: LPMEMORY MemoryAllocate (DWORD dwSize)
        !             9:    {  // MemoryAllocate
        !            10:    HMEMORY        hMemory ;
        !            11:    LPMEMORY       lpMemory ;
        !            12: 
        !            13:    hMemory = GlobalAlloc (GHND, dwSize) ;
        !            14:    if (!hMemory)
        !            15:       return (NULL) ;
        !            16:    lpMemory = GlobalLock (hMemory) ;
        !            17:    if (!lpMemory)
        !            18:       GlobalFree (hMemory) ;
        !            19:    return (lpMemory) ;
        !            20:    }  // MemoryAllocate
        !            21: 
        !            22: 
        !            23: VOID MemoryFree (LPMEMORY lpMemory)
        !            24:    {  // MemoryFree
        !            25:    HMEMORY        hMemory ;
        !            26: 
        !            27:    if (!lpMemory)
        !            28:       return ;
        !            29: 
        !            30:    hMemory = GlobalHandle (lpMemory) ;
        !            31: 
        !            32:    if (hMemory)
        !            33:       {  // if
        !            34:       GlobalUnlock (hMemory) ;
        !            35:       GlobalFree (hMemory) ;
        !            36:       }  // if
        !            37:    }  // MemoryFree
        !            38:    
        !            39: 
        !            40: DWORD MemorySize (LPMEMORY lpMemory)
        !            41:    {
        !            42:    HMEMORY        hMemory ;
        !            43: 
        !            44:    hMemory = GlobalHandle (lpMemory) ;
        !            45:    if (!hMemory)
        !            46:       return (0L) ;
        !            47: 
        !            48:    return (GlobalSize (hMemory)) ;
        !            49:    }
        !            50: 
        !            51: 
        !            52: LPMEMORY MemoryResize (LPMEMORY lpMemory,
        !            53:                        DWORD dwNewSize)
        !            54:    {
        !            55:    HMEMORY        hMemory ;
        !            56:    LPMEMORY       lpNewMemory ;
        !            57: 
        !            58:    hMemory = GlobalHandle (lpMemory) ;
        !            59:    if (!hMemory)
        !            60:       return (NULL) ;
        !            61: 
        !            62:    GlobalUnlock (hMemory) ; 
        !            63: 
        !            64:    hMemory = GlobalReAlloc (hMemory, dwNewSize, GHND) ;
        !            65: 
        !            66:    if (!hMemory)
        !            67:       return (NULL) ;
        !            68: 
        !            69: 
        !            70:    lpNewMemory = GlobalLock (hMemory) ;
        !            71: 
        !            72:    return (lpNewMemory) ;
        !            73:    }  // MemoryResize
        !            74: 
        !            75: 
        !            76: 
        !            77: 

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