iw5-mod/deps/HDiffPatch/libHDiffPatch/HPatchLite/hpatch_lite.h

49 lines
2.2 KiB
C

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