coder.h

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// SPDX-License-Identifier: 0BSD
 
//
//
//  Authors:    Lasse Collin
//              Jia Tan
//
 
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,
#ifdef HAVE_LZIP_DECODER
    FORMAT_LZIP,
#endif
    FORMAT_RAW,
};
 
 
typedef struct {
    uint64_t size;
 
    unsigned chain_num;
} block_list_entry;
 
 
extern enum operation_mode opt_mode;
 
extern enum format_type opt_format;
 
extern bool opt_auto_adjust;
 
extern bool opt_single_stream;
 
extern uint64_t opt_block_size;
 
extern block_list_entry *opt_block_list;
 
extern uint64_t block_list_largest;
 
extern uint32_t block_list_chain_mask;
 
extern void coder_set_check(lzma_check check);
 
extern void coder_set_preset(uint32_t new_preset);
 
extern void coder_set_extreme(void);
 
extern void coder_add_filter(lzma_vli id, void *options);
 
extern void coder_set_compression_settings(void);
 
extern void coder_run(const char *filename);
 
#ifndef NDEBUG
extern void coder_free(void);
#endif
 
extern void coder_add_filters_from_str(const char *filter_str);
 
extern void coder_add_block_filters(const char *str, size_t slot);