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76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
///////////////////////////////////////////////////////////////////////////////
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//
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/// \file coder.h
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/// \brief Compresses or uncompresses a file
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//
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// Author: Lasse Collin
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//
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// This file has been put into the public domain.
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// You can do whatever you want with this file.
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//
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///////////////////////////////////////////////////////////////////////////////
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enum operation_mode {
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MODE_COMPRESS,
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MODE_DECOMPRESS,
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MODE_TEST,
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MODE_LIST,
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};
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// NOTE: The order of these is significant in suffix.c.
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enum format_type {
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FORMAT_AUTO,
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FORMAT_XZ,
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FORMAT_LZMA,
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// HEADER_GZIP,
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FORMAT_RAW,
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};
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/// Operation mode of the command line tool. This is set in args.c and read
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/// in several files.
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extern enum operation_mode opt_mode;
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/// File format to use when encoding or what format(s) to accept when
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/// decoding. This is a global because it's needed also in suffix.c.
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/// This is set in args.c.
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extern enum format_type opt_format;
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/// If true, the compression settings are automatically adjusted down if
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/// they exceed the memory usage limit.
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extern bool opt_auto_adjust;
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/// If true, stop after decoding the first stream.
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extern bool opt_single_stream;
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/// If non-zero, start a new .xz Block after every opt_block_size bytes
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/// of input. This has an effect only when compressing to the .xz format.
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extern uint64_t opt_block_size;
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/// This is non-NULL if --block-list was used. This contains the Block sizes
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/// as an array that is terminated with 0.
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extern uint64_t *opt_block_list;
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/// Set the integrity check type used when compressing
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extern void coder_set_check(lzma_check check);
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/// Set preset number
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extern void coder_set_preset(uint32_t new_preset);
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/// Enable extreme mode
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extern void coder_set_extreme(void);
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/// Add a filter to the custom filter chain
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extern void coder_add_filter(lzma_vli id, void *options);
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///
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extern void coder_set_compression_settings(void);
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/// Compress or decompress the given file
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extern void coder_run(const char *filename);
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#ifndef NDEBUG
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/// Free the memory allocated for the coder and kill the worker threads.
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extern void coder_free(void);
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#endif
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