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