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Diffstat (limited to 'lzlib.h')
| -rw-r--r-- | lzlib.h | 110 |
1 files changed, 110 insertions, 0 deletions
@@ -0,0 +1,110 @@ +/* Lzlib - Compression library for the lzip format + Copyright (C) 2009-2022 Antonio Diaz Diaz. + + This library is free software. Redistribution and use in source and + binary forms, with or without modification, are permitted provided + that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions, and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions, and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + 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. +*/ + +#ifdef __cplusplus +extern "C" { +#endif + +/* LZ_API_VERSION was first defined in lzlib 1.8 to 1. + Since lzlib 1.12, LZ_API_VERSION is defined as (major * 1000 + minor). */ + +#define LZ_API_VERSION 1013 + +static const char * const LZ_version_string = "1.13"; + +enum LZ_Errno { LZ_ok = 0, LZ_bad_argument, LZ_mem_error, + LZ_sequence_error, LZ_header_error, LZ_unexpected_eof, + LZ_data_error, LZ_library_error }; + + +int LZ_api_version( void ); /* new in 1.12 */ +const char * LZ_version( void ); +const char * LZ_strerror( const enum LZ_Errno lz_errno ); + +int LZ_min_dictionary_bits( void ); +int LZ_min_dictionary_size( void ); +int LZ_max_dictionary_bits( void ); +int LZ_max_dictionary_size( void ); +int LZ_min_match_len_limit( void ); +int LZ_max_match_len_limit( void ); + + +/* --------------------- Compression Functions --------------------- */ + +struct LZ_Encoder; + +struct LZ_Encoder * LZ_compress_open( const int dictionary_size, + const int match_len_limit, + const unsigned long long member_size ); +int LZ_compress_close( struct LZ_Encoder * const encoder ); + +int LZ_compress_finish( struct LZ_Encoder * const encoder ); +int LZ_compress_restart_member( struct LZ_Encoder * const encoder, + const unsigned long long member_size ); +int LZ_compress_sync_flush( struct LZ_Encoder * const encoder ); + +int LZ_compress_read( struct LZ_Encoder * const encoder, + uint8_t * const buffer, const int size ); +int LZ_compress_write( struct LZ_Encoder * const encoder, + const uint8_t * const buffer, const int size ); +int LZ_compress_write_size( struct LZ_Encoder * const encoder ); + +enum LZ_Errno LZ_compress_errno( struct LZ_Encoder * const encoder ); +int LZ_compress_finished( struct LZ_Encoder * const encoder ); +int LZ_compress_member_finished( struct LZ_Encoder * const encoder ); + +unsigned long long LZ_compress_data_position( struct LZ_Encoder * const encoder ); +unsigned long long LZ_compress_member_position( struct LZ_Encoder * const encoder ); +unsigned long long LZ_compress_total_in_size( struct LZ_Encoder * const encoder ); +unsigned long long LZ_compress_total_out_size( struct LZ_Encoder * const encoder ); + + +/* -------------------- Decompression Functions -------------------- */ + +struct LZ_Decoder; + +struct LZ_Decoder * LZ_decompress_open( void ); +int LZ_decompress_close( struct LZ_Decoder * const decoder ); + +int LZ_decompress_finish( struct LZ_Decoder * const decoder ); +int LZ_decompress_reset( struct LZ_Decoder * const decoder ); +int LZ_decompress_sync_to_member( struct LZ_Decoder * const decoder ); + +int LZ_decompress_read( struct LZ_Decoder * const decoder, + uint8_t * const buffer, const int size ); +int LZ_decompress_write( struct LZ_Decoder * const decoder, + const uint8_t * const buffer, const int size ); +int LZ_decompress_write_size( struct LZ_Decoder * const decoder ); + +enum LZ_Errno LZ_decompress_errno( struct LZ_Decoder * const decoder ); +int LZ_decompress_finished( struct LZ_Decoder * const decoder ); +int LZ_decompress_member_finished( struct LZ_Decoder * const decoder ); + +int LZ_decompress_member_version( struct LZ_Decoder * const decoder ); +int LZ_decompress_dictionary_size( struct LZ_Decoder * const decoder ); +unsigned LZ_decompress_data_crc( struct LZ_Decoder * const decoder ); + +unsigned long long LZ_decompress_data_position( struct LZ_Decoder * const decoder ); +unsigned long long LZ_decompress_member_position( struct LZ_Decoder * const decoder ); +unsigned long long LZ_decompress_total_in_size( struct LZ_Decoder * const decoder ); +unsigned long long LZ_decompress_total_out_size( struct LZ_Decoder * const decoder ); + +#ifdef __cplusplus +} +#endif |