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#if !defined(AFX_MEMORYCOMPARE__H__INCLUDED_)
#define AFX_MEMORYCOMPARE__H__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
__inline DWORD MemoryCompare(LPCVOID lpcSource1,SIZE_T dwSource1Size,LPCVOID lpcSource2,SIZE_T dwSource2Size)
{
if (dwSource1Size == dwSource2Size) {
if (lpcSource1 == lpcSource2)
return CSTR_EQUAL;
if (lpcSource1 && lpcSource2) {
#ifdef _INC_MEMORY
return 2 + memcmp(lpcSource1,lpcSource2,dwSource1Size));
#else
SIZE_T dwDiffPosition;
//dwDiffPosition=RtlCompareMemory(lpcSource1,lpcSource2,dwSource1Size);
for(dwDiffPosition=0; (dwDiffPosition<dwSource1Size) && (((const BYTE*)lpcSource1)[dwDiffPosition]==((const BYTE*)lpcSource2)[dwDiffPosition]); dwDiffPosition++);
if (dwDiffPosition==dwSource1Size)
return CSTR_EQUAL;
if ((*((BYTE*)(((SIZE_T)lpcSource1)+dwDiffPosition)))>(*((BYTE*)(((SIZE_T)lpcSource2)+dwDiffPosition))))
return CSTR_GREATER_THAN;
return CSTR_LESS_THAN;
#endif
}
return (lpcSource1) ? CSTR_GREATER_THAN : CSTR_LESS_THAN;
}
return (dwSource1Size < dwSource2Size) ? CSTR_LESS_THAN : CSTR_GREATER_THAN;
}
#endif // !defined(AFX_MEMORYCOMPARE__H__INCLUDED_)
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