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Compresses a buffer and can be used by a file system driver to facilitate the implementation of file compression.|
__in USHORT CompressionFormatAndEngine,
__in PUCHAR UncompressedBuffer,
__in ULONG UncompressedBufferSize,
__out PUCHAR CompressedBuffer,
__in ULONG CompressedBufferSize,
__in ULONG UncompressedChunkSize,
__out PULONG FinalCompressedSize,
__in PVOID WorkSpace
DECLARE INTEGER RtlCompressBuffer IN ntdll;
A bitmask specifying the compression format and engine type.
A pointer to a caller-allocated buffer (allocated from paged or non-paged pool) containing the data to be compressed. This parameter is required and cannot be NULL.
Size, in bytes, of the UncompressedBuffer buffer.
A pointer to a caller-allocated buffer (allocated from paged or non-paged pool) receiving the compressed data. This parameter is required and cannot be NULL.
Size, in bytes, of the CompressedBuffer buffer.
The chunk size to use when compressing the UncompressedBuffer buffer. This parameter must be one of the following values: 512, 1024, 2048, or 4096 (system default).
A pointer to a caller-allocated variable which receives the size, in bytes, of the compressed data stored in CompressedBuffer. This parameter is required and cannot be NULL.
A pointer to a caller-allocated work space buffer used by the RtlCompressBuffer function during compression.
|Returns STATUS_SUCCESS (0) or an appropriate error code.|
|See also: RtlDecompressBuffer, RtlGetCompressionWorkSpaceSize |
|Word Index links for the RtlCompressBuffer :|
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|Created: ||2010-08-12 18:22:26|
|Modified: ||2010-08-12 18:25:58|
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