107 lines
1.5 KiB
C
107 lines
1.5 KiB
C
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/*++
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Copyright (c) 1990-1998 Microsoft Corporation
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All rights reserved
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Module Name:
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util.c
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// @@BEGIN_DDKSPLIT
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Abstract:
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Environment:
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User Mode -Win32
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NOTE: THIS IS FOR THE DDK ONLY!
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Revision History:
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// @@END_DDKSPLIT
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--*/
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#include "local.h"
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LPVOID
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ReallocSplMem(
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LPVOID pOldMem,
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DWORD cbOld,
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DWORD cbNew
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)
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{
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LPVOID pNewMem;
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pNewMem=AllocSplMem(cbNew);
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if (pOldMem && pNewMem) {
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if (cbOld) {
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CopyMemory( pNewMem, pOldMem, min(cbNew, cbOld));
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}
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FreeSplMem(pOldMem);
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}
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return pNewMem;
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}
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LPWSTR
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AllocSplStr(
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LPWSTR pStr
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)
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/*++
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Routine Description:
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This function will allocate enough local memory to store the specified
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string, and copy that string to the allocated memory
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Arguments:
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pStr - Pointer to the string that needs to be allocated and stored
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Return Value:
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NON-NULL - A pointer to the allocated memory containing the string
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FALSE/NULL - The operation failed. Extended error status is available
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using GetLastError.
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--*/
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{
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LPWSTR pMem;
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DWORD cbStr;
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if (!pStr) {
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return NULL;
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}
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cbStr = wcslen(pStr)*sizeof(WCHAR) + sizeof(WCHAR);
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if (pMem = AllocSplMem( cbStr )) {
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CopyMemory( pMem, pStr, cbStr );
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}
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return pMem;
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}
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LPVOID
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AllocSplMem(
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DWORD cbAlloc
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)
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{
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PVOID pvMemory;
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pvMemory = GlobalAlloc(GMEM_FIXED, cbAlloc);
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if( pvMemory ){
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ZeroMemory( pvMemory, cbAlloc );
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}
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return pvMemory;
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}
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