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Diffstat (limited to '')
-rw-r--r-- | src/liblzma/api/lzma/raw.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/liblzma/api/lzma/raw.h b/src/liblzma/api/lzma/raw.h new file mode 100644 index 00000000..c1ee41d8 --- /dev/null +++ b/src/liblzma/api/lzma/raw.h @@ -0,0 +1,72 @@ +/** + * \file lzma/raw.h + * \brief Raw encoder and decoder + * + * \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 Initializes raw encoder + * + * This function may be useful when implementing custom file formats. + * + * \param strm Pointer to properly prepared lzma_stream + * \param options Array of lzma_options_filter structures. + * The end of the array must be marked with + * .id = LZMA_VLI_VALUE_UNKNOWN. The minimum + * number of filters is zero; the maximum is + * determined by available memory. + * \param uncompressed_size + * Size of the uncompressed data. If it is unknown, + * use LZMA_VLI_VALUE_UNKNOWN. You need to give the + * same value to the raw decoder to decode the data. + * \param allow_implicit + * If true, an implicit Copy or Subblock filter should be + * automatically added when needed. If this is false and + * an implicit filter would be needed, LZMA_PROG_ERROR is + * returned. + * + * The `action' with lzma_code() can be LZMA_RUN, LZMA_SYNC_FLUSH (if the + * filter chain support it), or LZMA_FINISH. + * + * \return - LZMA_OK + * - LZMA_MEM_ERROR + * - LZMA_HEADER_ERROR + * - LZMA_PROG_ERROR + */ +extern lzma_ret lzma_raw_encoder( + lzma_stream *strm, const lzma_options_filter *options, + lzma_vli uncompressed_size, lzma_bool allow_implicit); + + +/** + * \brief Initializes raw decoder + * + * The initialization of raw decoder goes similarly to raw encoder. + * + * The `action' with lzma_code() can be LZMA_RUN or LZMA_SYNC_FLUSH. + * + * \return - LZMA_OK + * - LZMA_MEM_ERROR + * - LZMA_HEADER_ERROR + * - LZMA_PROG_ERROR + */ +extern lzma_ret lzma_raw_decoder( + lzma_stream *strm, const lzma_options_filter *options, + lzma_vli uncompressed_size, lzma_bool allow_implicit); |