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49 lines
1.4 KiB
49 lines
1.4 KiB
/***
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*msize.c - Win32 malloc/free heap routines
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*
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* Copyright (c) 1991-1995, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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*
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*Revision History:
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* 01-10-92 JCR Module created.
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* 02-04-92 GJF Replaced windows.h with oscalls.h.
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* 05-06-92 DJM ifndef out for POSIX.
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* 09-23-92 SRW Change winheap code to call NT directly always
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* 10-28-92 SRW Change winheap code to call Heap????Ex calls
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* 11-05-92 SKS Change name of variable "CrtHeap" to "_crtheap"
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* 11-07-92 SRW _NTIDW340 replaced by linkopts\betacmp.c
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* 11-16-92 SRW Heap???Ex functions renamed to Heap???
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* 10-21-93 GJF Replace _CALLTYPE1 with _cdecl. Cleaned up format.
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* 04-06-95 GJF Added support for debug heap.
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*
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*******************************************************************************/
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#include <cruntime.h>
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#include <malloc.h>
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#include <winheap.h>
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#include <windows.h>
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#include <dbgint.h>
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/***
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*size_t _msize(pblock) - calculate the size of specified block in the heap
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*
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*Purpose:
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* Calculates the size of memory block (in the heap) pointed to by
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* pblock.
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*
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*Entry:
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* void *p - pointer to a memory block in the heap
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*
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*Return:
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* size of the block
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*
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*******************************************************************************/
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size_t __cdecl
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_msize_base(
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void * pblock
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)
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{
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return( (size_t) HeapSize( _crtheap, 0, pblock ));
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}
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