107 lines
1.9 KiB
C++
107 lines
1.9 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// File: cshalloc.cpp
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//
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// Contents: CSHAlloc
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//
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//--------------------------------------------------------------------------
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#include "shtl.h"
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#include <cshalloc.h>
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// CSHAlloc::QueryInterface
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__DATL_INLINE HRESULT CSHAlloc::QueryInterface(REFIID riid, void ** ppvObj)
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{
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*ppvObj = NULL;
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if (IsEqualIID(riid, IID_IMalloc))
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*ppvObj = (IMalloc *) this;
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return (*ppvObj) ? S_OK : E_NOINTERFACE;
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}
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// CSHAlloc::AddRef
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__DATL_INLINE ULONG CSHAlloc::AddRef()
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{
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return ++m_cRefs;
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}
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// CSHAlloc::Release
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__DATL_INLINE ULONG CSHAlloc::Release()
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{
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if (InterlockedDecrement((LONG *) &m_cRefs))
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{
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return 1;
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}
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else
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{
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delete this;
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return 0;
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}
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}
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// CSHAlloc Constructor
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//
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// Load the shell's allocator. Failure will cause subsequent allocs to fail.
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__DATL_INLINE CSHAlloc::CSHAlloc(BOOL bInitOle) : m_pMalloc(NULL)
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{
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// If you pass FALSE for this, you can't use it (you likely did so
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// just to avoid link errors)
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if (bInitOle)
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SHGetMalloc(&m_pMalloc);
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}
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__DATL_INLINE CSHAlloc::~CSHAlloc()
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{
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if (m_pMalloc)
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m_pMalloc->Release();
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}
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// CSHAlloc::Alloc
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__DATL_INLINE void * CSHAlloc::Alloc(SIZE_T cb)
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{
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return (m_pMalloc) ? m_pMalloc->Alloc(cb) : NULL;
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}
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// CSHAlloc::Free
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__DATL_INLINE void CSHAlloc::Free(void * pv)
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{
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if (m_pMalloc)
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m_pMalloc->Free(pv);
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}
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// CSHAlloc::Realloc
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__DATL_INLINE void * CSHAlloc::Realloc(void * pv, SIZE_T cb)
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{
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return (m_pMalloc) ? m_pMalloc->Realloc(pv, cb) : NULL;
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}
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// CSHAlloc::GetSize
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__DATL_INLINE SIZE_T CSHAlloc::GetSize(void * pv)
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{
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return (m_pMalloc) ? m_pMalloc->GetSize(pv) : 0;
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}
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// CSHAlloc::DidAlloc
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__DATL_INLINE int CSHAlloc::DidAlloc(void * pv)
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{
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return (m_pMalloc) ? m_pMalloc->DidAlloc(pv) : FALSE;
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}
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__DATL_INLINE void CSHAlloc::HeapMinimize()
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{
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if (m_pMalloc)
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m_pMalloc->HeapMinimize();
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}
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