49 lines
2.2 KiB
C
49 lines
2.2 KiB
C
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//patch_lite.h
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//
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/*
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The MIT License (MIT)
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Copyright (c) 2020-2022 HouSisong All Rights Reserved.
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*/
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#ifndef _hpatch_lite_h
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#define _hpatch_lite_h
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#include "hpatch_lite_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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//-----------------------------------------------------------------------------------------------------------------
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// hpatch_lite by stream: hpatch_lite_open()+hpatch_lite_patch() compiled by Mbed Studio is 662 bytes
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// hdiffpatch v4.2.3, other patcher compiled by Mbed Studio:
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// patch_single_stream() 2356 bytes (hpatch_StreamPos_t=hpatch_uint32_t)
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// patch_decompress_with_cache() 2846 bytes (_IS_NEED_CACHE_OLD_BY_COVERS=0,hpatch_StreamPos_t=hpatch_uint32_t)
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//diff_data must created by create_lite_diff()
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typedef struct hpatchi_listener_t{
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hpi_TInputStreamHandle diff_data;
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hpi_TInputStream_read read_diff;
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//must read data_size data to out_data, from read_from_pos of stream; if read error return hpi_FALSE;
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hpi_BOOL (*read_old)(struct hpatchi_listener_t* listener,hpi_pos_t read_from_pos,hpi_byte* out_data,hpi_size_t data_size);
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//must write data_size data to sequence stream; if write error return hpi_FALSE;
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hpi_BOOL (*write_new)(struct hpatchi_listener_t* listener,const hpi_byte* data,hpi_size_t data_size);
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} hpatchi_listener_t;
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//hpatch_lite open
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// read lite headinfo from diff_data
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// if diff_data uncompress(*out_compress_type==hpi_compressType_no), *out_uncompressSize==0;
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// if (*out_compress_type!=hpi_compressType_no), you need open compressed data by decompresser
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// (see https://github.com/sisong/HPatchLite/decompresser_demo.h & https://github.com/sisong/HPatchLite/hpatchi.c)
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hpi_BOOL hpatch_lite_open(hpi_TInputStreamHandle diff_data,hpi_TInputStream_read read_diff,
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hpi_compressType* out_compress_type,hpi_pos_t* out_newSize,hpi_pos_t* out_uncompressSize);
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//hpatch_lite patch
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// used temp_cache_size memory + {decompress buffer*1}
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// note: temp_cache_size>=hpi_kMinCacheSize
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hpi_BOOL hpatch_lite_patch(hpatchi_listener_t* listener,hpi_pos_t newSize,
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hpi_byte* temp_cache,hpi_size_t temp_cache_size);
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#ifdef __cplusplus
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}
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#endif
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#endif //_hpatch_lite_h
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