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/**
* \file lzma/alone.h
* \brief Handling of the legacy LZMA_Alone format
*
* \author Copyright (C) 1999-2006 Igor Pavlov
* \author Copyright (C) 2007 Lasse Collin
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
#ifndef LZMA_H_INTERNAL
# error Never include this file directly. Use <lzma.h> instead.
#endif
/**
* \brief Options for files in the LZMA_Alone format
*/
typedef struct {
/**
* \brief Uncompressed Size and usage of End of Payload Marker
*
* In contrast to .lzma Blocks, LZMA_Alone format cannot have both
* uncompressed size field in the header and end of payload marker.
* If you don't know the uncompressed size beforehand, set it to
* LZMA_VLI_VALUE_UNKNOWN and liblzma will embed end of payload
* marker.
*/
lzma_vli uncompressed_size;
/**
* \brief LZMA options
*
* The LZMA_Alone format supports only one filter: the LZMA filter.
*
* \note There exists also an undocumented variant of the
* LZMA_Alone format, which uses the x86 filter in
* addition to LZMA. This format was never supported
* by LZMA Utils and is not supported by liblzma either.
*/
lzma_options_lzma lzma;
} lzma_options_alone;
/**
* \brief Initializes LZMA_Alone encoder
*
* LZMA_Alone files have the suffix .lzma like the .lzma Stream files.
* LZMA_Alone format supports only one filter, the LZMA filter. There is
* no support for integrity checks like CRC32.
*
* Use this format if and only if you need to create files readable by
* legacy LZMA tools.
*
* LZMA_Alone encoder doesn't support LZMA_SYNC_FLUSH or LZMA_FULL_FLUSH.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
* - LZMA_PROG_ERROR
*/
extern lzma_ret lzma_alone_encoder(
lzma_stream *strm, const lzma_options_alone *options);
/**
* \brief Initializes decoder for LZMA_Alone file
*
* The LZMA_Alone decoder supports LZMA_SYNC_FLUSH.
*
* \return - LZMA_OK
* - LZMA_MEM_ERROR
*/
extern lzma_ret lzma_alone_decoder(lzma_stream *strm);
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