1 /* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */ 2 // vim: expandtab:ts=8:sw=4:softtabstop=4: 3 /////////////////////////////////////////////////////////////////////////////// 4 // 5 /// \file coder.h 6 /// \brief Compresses or uncompresses a file 7 // 8 // Author: Lasse Collin 9 // 10 // This file has been put into the public domain. 11 // You can do whatever you want with this file. 12 // 13 /////////////////////////////////////////////////////////////////////////////// 14 15 enum operation_mode { 16 MODE_COMPRESS, 17 MODE_DECOMPRESS, 18 MODE_TEST, 19 MODE_LIST, 20 }; 21 22 23 // NOTE: The order of these is significant in suffix.c. 24 enum format_type { 25 FORMAT_AUTO, 26 FORMAT_XZ, 27 FORMAT_LZMA, 28 // HEADER_GZIP, 29 FORMAT_RAW, 30 }; 31 32 33 /// Operation mode of the command line tool. This is set in args.c and read 34 /// in several files. 35 extern enum operation_mode opt_mode; 36 37 /// File format to use when encoding or what format(s) to accept when 38 /// decoding. This is a global because it's needed also in suffix.c. 39 /// This is set in args.c. 40 extern enum format_type opt_format; 41 42 43 /// Set the integrity check type used when compressing 44 extern void coder_set_check(lzma_check check); 45 46 /// Set preset number 47 extern void coder_set_preset(size_t new_preset); 48 49 /// Enable extreme mode 50 extern void coder_set_extreme(void); 51 52 /// Add a filter to the custom filter chain 53 extern void coder_add_filter(lzma_vli id, void *options); 54 55 /// 56 extern void coder_set_compression_settings(void); 57 58 /// Compress or decompress the given file 59 extern void coder_run(const char *filename); 60