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Direct Memory Copy - RtlCopyMappedMemory
Keywords: RtlCopyMappedMemory DllCall Direct Memory Copy Location
Direct Memory copy from one memory location to another using API DllCall. Tested on Win 7 Pro
;Direct Memory copy from one memory location to another using API Dll Call. Tested on Win 7 Pro ;....IFICantBYTE dllname=StrCat(DirWindows(1),"ntdll.dll") DestBufSize = 100 SrcBuf=BinaryAlloc(100) ; allocate a Source memory buffer BinaryPokeStr(SrcBuf,0,"Put some data in the SOURCE buffer and copy just the portion we want using a DLL Call"); Writes a string into a binary buffer. ;BinaryEODSet(SrcBuf,100) DestBuf=BinaryAlloc(DestBufSize) ; allocate a Destination memory buffer... it must be big enough for the copied data to fit when the DLL call is made or an error will occurr BinaryEodSet(DestBuf,100) ;You can adjust the following UP TO THE SIZE OF THE BUFFER but !!!! Carefull... don't copy more than the destination buffer can take! Bytes = 68; Number of Bytes to copy from Src to Dest. We will just copy the first 68 bytes (characters) as a test.... Ret = DllCall(dllname, long:"RtlCopyMappedMemory", lpbinary:DestBuf, lpbinary:SrcBuf, long:Bytes) LookAtDest=BinaryPeekStr(DestBuf, 0, 100) Message(Ret,LookAtDest);Check out the result. BinaryFree(SrcBuf) BinaryFree(DestBuf) Exit
Article ID: W17786
Filename: Direct Memory Copy - RtlCopyMappedMemory.txt
File Created: 2013:03:22:08:14:02
Last Updated: 2013:03:22:08:14:02