132   Lz4diffPatch& patch = *output;  in ParseLz4DifffPatch()  local
133   std::memcpy(patch.magic, patch_data.data(), kLz4diffMagic.size());  in ParseLz4DifffPatch()
134   std::memcpy(&patch.version,  in ParseLz4DifffPatch()
136               sizeof(patch.version));  in ParseLz4DifffPatch()
137   BigEndianToHost(patch.version);  in ParseLz4DifffPatch()
138   if (patch.version != kLz4diffVersion) {  in ParseLz4DifffPatch()
139     LOG(ERROR) << "Unsupported lz4diff version: " << patch.version  in ParseLz4DifffPatch()
143   std::memcpy(&patch.pb_header_size,  in ParseLz4DifffPatch()
144               patch_data.data() + kLz4diffMagic.size() + sizeof(patch.version),  in ParseLz4DifffPatch()
145               sizeof(patch.pb_header_size));  in ParseLz4DifffPatch()
146   BigEndianToHost(patch.pb_header_size);  in ParseLz4DifffPatch()
147   TEST_AND_RETURN_FALSE(patch.pb_header.ParseFromArray(  in ParseLz4DifffPatch()
148       patch_data.data() + kLz4diffHeaderSize, patch.pb_header_size));  in ParseLz4DifffPatch()
149   patch.inner_patch =  in ParseLz4DifffPatch()
150       patch_data.substr(kLz4diffHeaderSize + patch.pb_header_size);  in ParseLz4DifffPatch()
194 bool HasPosfixPatches(const Lz4diffPatch& patch) {  in HasPosfixPatches()  argument
195   for (const auto& info : patch.pb_header.dst_info().block_info()) {  in HasPosfixPatches()
222                      const Lz4diffPatch& patch,  in ApplyInnerPatch()  argument
224   switch (patch.pb_header.inner_type()) {  in ApplyInnerPatch()
227           ToStringView(decompressed_src), patch.inner_patch, decompressed_dst));  in ApplyInnerPatch()
231           ToStringView(decompressed_src), patch.inner_patch, decompressed_dst));  in ApplyInnerPatch()
234       LOG(ERROR) << "Unsupported patch type: " << patch.pb_header.inner_type();  in ApplyInnerPatch()
243               const Lz4diffPatch& patch,  in Lz4Patch()  argument
247       ToCompressedBlockVec(patch.pb_header.src_info().block_info()),  in Lz4Patch()
248       patch.pb_header.src_info().zero_padding_enabled());  in Lz4Patch()
252       GetDecompressedSize(patch.pb_header.dst_info().block_info());  in Lz4Patch()
255   ApplyInnerPatch(std::move(decompressed_src), patch, &decompressed_dst);  in Lz4Patch()
257   if (!HasPosfixPatches(patch)) {  in Lz4Patch()
260         ToCompressedBlockVec(patch.pb_header.dst_info().block_info()),  in Lz4Patch()
261         patch.pb_header.dst_info().zero_padding_enabled(),  in Lz4Patch()
262         patch.pb_header.dst_info().algo(),  in Lz4Patch()
268        &dst_block_info = patch.pb_header.dst_info().block_info()](  in Lz4Patch()
304       ToCompressedBlockVec(patch.pb_header.dst_info().block_info()),  in Lz4Patch()
305       patch.pb_header.dst_info().zero_padding_enabled(),  in Lz4Patch()
306       patch.pb_header.dst_info().algo(),  in Lz4Patch()
311               const Lz4diffPatch& patch,  in Lz4Patch()  argument
315       GetCompressedSize(patch.pb_header.dst_info().block_info());  in Lz4Patch()
318       src_data, patch, [&blob](const uint8_t* data, size_t size) -> size_t {  in Lz4Patch()
331   Lz4diffPatch patch;  in Lz4Patch()  local
332   TEST_AND_RETURN_FALSE(ParseLz4DifffPatch(patch_data, &patch));  in Lz4Patch()
333   return Lz4Patch(src_data, patch, output);  in Lz4Patch()
339   Lz4diffPatch patch;  in Lz4Patch()  local
340   TEST_AND_RETURN_FALSE(ParseLz4DifffPatch(patch_data, &patch));  in Lz4Patch()
341   return Lz4Patch(src_data, patch, sink);  in Lz4Patch()