windows-nt/Source/XPSP1/NT/sdktools/setedit/memory.c

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2020-09-26 03:20:57 -05:00
#include "setedit.h" // included by all perfmon sources
#include "pmemory.h" // external declarations for this file
LPMEMORY MemoryAllocate (SIZE_T dwSize)
{ // MemoryAllocate
HMEMORY hMemory ;
LPMEMORY lpMemory ;
hMemory = GlobalAlloc (GHND, dwSize) ;
if (!hMemory)
return (NULL) ;
lpMemory = GlobalLock (hMemory) ;
if (!lpMemory)
GlobalFree (hMemory) ;
return (lpMemory) ;
} // MemoryAllocate
VOID MemoryFree (LPMEMORY lpMemory)
{ // MemoryFree
HMEMORY hMemory ;
if (!lpMemory)
return ;
hMemory = GlobalHandle (lpMemory) ;
if (hMemory) { // if
GlobalUnlock (hMemory) ;
GlobalFree (hMemory) ;
} // if
} // MemoryFree
SIZE_T MemorySize (LPMEMORY lpMemory)
{
HMEMORY hMemory ;
hMemory = GlobalHandle (lpMemory) ;
if (!hMemory)
return (0L) ;
return (GlobalSize (hMemory)) ;
}
LPMEMORY MemoryResize (LPMEMORY lpMemory,
SIZE_T dwNewSize)
{
HMEMORY hMemory ;
LPMEMORY lpNewMemory ;
hMemory = GlobalHandle (lpMemory) ;
if (!hMemory)
return (NULL) ;
GlobalUnlock (hMemory) ;
hMemory = GlobalReAlloc (hMemory, dwNewSize, GHND) ;
if (!hMemory)
return (NULL) ;
lpNewMemory = GlobalLock (hMemory) ;
return (lpNewMemory) ;
} // MemoryResize