Undocumented functions of NTDLL


RtlGetCompressionWorkSpaceSize
RtlGetCompressionWorkSpaceSize

NTSYSAPI 
NTSTATUS
NTAPI

RtlGetCompressionWorkSpaceSize(
IN ULONG CompressionFormat, OUT PULONG pNeededBufferSize, OUT PULONG pUnknown );


CompressionFormat

See RtlCompressBuffer for valid CompressionFormat flags.

pNeededBufferSize

You must allocate temporary compression buffer for system internal use in compression process. Buffer must have pNeededBufferSize bytes length.

pUnknown

-?, propably PageSize (0x4000).





Requirements:
Library: ntdll.lib




See also:
RtlCompressBuffer
RtlDecompressBuffer