175 static constexpr size_t VERSION = 2;
180 static constexpr size_t BLOCK_SIZE = 4096;
181 static constexpr size_t BUFFER_SIZE = 0x8000;
197 static bool AlignHead(size_t* start, size_t* length) {  in AlignHead()
198   size_t residual = (*start % BLOCK_SIZE == 0) ? 0 : BLOCK_SIZE - *start % BLOCK_SIZE;  in AlignHead()
211 static bool AlignTail(size_t* start, size_t* length) {  in AlignTail()
212   size_t residual = (*start + *length) % BLOCK_SIZE;  in AlignTail()
226 static bool RemoveUsedBlocks(size_t* start, size_t* length, const SortedRangeSet& used_ranges) {  in RemoveUsedBlocks()
258 ImageChunk::ImageChunk(int type, size_t start, const std::vector<uint8_t>* file_content,  in ImageChunk()
259                        size_t raw_data_len, std::string entry_name)  in ImageChunk()
281 size_t ImageChunk::DataLengthForPatch() const {  in DataLengthForPatch()
288 void ImageChunk::Dump(size_t index) const {  in Dump()
366   size_t sz = static_cast<size_t>(st.st_size);  in MakePatch()
417   size_t offset = 0;  in TryReconstruction()
427     size_t compressed_size = buffer.size() - strm.avail_out;  in TryReconstruction()
468 bool PatchChunk::RawDataIsSmaller(const ImageChunk& tgt, size_t patch_size) {  in RawDataIsSmaller()
469   size_t target_len = tgt.GetRawDataLength();  in RawDataIsSmaller()
484 size_t PatchChunk::GetHeaderSize() const {  in GetHeaderSize()
499 size_t PatchChunk::WriteHeaderToFd(int fd, size_t offset, size_t index) const {  in WriteHeaderToFd()
537 size_t PatchChunk::PatchSize() const {  in PatchSize()
548   size_t total_header_size = 12;  in WritePatchDataToFd()
553   size_t offset = total_header_size;  in WritePatchDataToFd()
563   for (size_t i = 0; i < patch_chunks.size(); ++i) {  in WritePatchDataToFd()
581 ImageChunk& Image::operator[](size_t i) {  in operator []()
586 const ImageChunk& Image::operator[](size_t i) const {  in operator []()
592   size_t merged_last = 0, cur = 0;  in MergeAdjacentNormalChunks()
596     size_t to_check = cur + 1;  in MergeAdjacentNormalChunks()
616   for (size_t i = 0; i < chunks_.size(); ++i) {  in DumpChunks()
635   size_t sz = static_cast<size_t>(st.st_size);  in ReadFile()
652   size_t zipfile_size;  in Initialize()
713     size_t entries_end = 0;  in InitializeChunks()
715       entries_end = static_cast<size_t>(temp_entries.back().second.offset +  in InitializeChunks()
727   size_t pos = 0;  in InitializeChunks()
728   size_t nextentry = 0;  in InitializeChunks()
745     size_t raw_data_len;  in InitializeChunks()
761   size_t compressed_len = entry->compressed_length;  in AddZipEntryToChunks()
768       size_t length = std::min(limit_, compressed_len);  in AddZipEntryToChunks()
777     size_t uncompressed_len = entry->uncompressed_length;  in AddZipEntryToChunks()
801 bool ZipModeImage::GetZipFileSize(size_t* input_file_size) {  in GetZipFileSize()
816         size_t file_size = i + 22 + comment_length;  in GetZipFileSize()
909   size_t limit = tgt_image.limit_;  in SplitZipModeImageWithLimit()
933     size_t src_offset = src->GetStartOffset();  in SplitZipModeImageWithLimit()
934     size_t src_length = src->GetRawDataLength();  in SplitZipModeImageWithLimit()
1003   size_t i = 0;  in AddSplitImageFromChunkList()
1005     size_t tgt_start = split_tgt_chunks[i].GetStartOffset();  in AddSplitImageFromChunkList()
1006     size_t tgt_length = split_tgt_chunks[i].GetRawDataLength();  in AddSplitImageFromChunkList()
1028   size_t end_offset =  in AddSplitImageFromChunkList()
1031     size_t tail_block_length = std::min<size_t>(tgt_image.file_content_.size() - end_offset,  in AddSplitImageFromChunkList()
1044     size_t end = std::min(src_image.file_content_.size(), r.second * BLOCK_SIZE);  in AddSplitImageFromChunkList()
1066                                        size_t total_tgt_size) {  in ValidateSplitImages()
1072   size_t last_offset = 0;  in ValidateSplitImages()
1090   for (size_t i = 0; i < split_src_ranges.size(); i++) {  in ValidateSplitImages()
1105   for (size_t i = 0; i < tgt_image.NumOfChunks(); i++) {  in GeneratePatchesInternal()
1176   for (size_t i = 0; i < split_tgt_images.size(); i++) {  in GeneratePatches()
1184     size_t total_patch_size = 12;  in GeneratePatches()
1194     size_t split_tgt_size = split_tgt_images[i].chunks_.back().GetStartOffset() +  in GeneratePatches()
1251   size_t sz = file_content_.size();  in Initialize()
1252   size_t pos = 0;  in Initialize()
1257       size_t chunk_offset = pos;  in Initialize()
1288       size_t allocated = BUFFER_SIZE;  in Initialize()
1290       size_t uncompressed_len = 0, raw_data_len = 0;  in Initialize()
1316       size_t footer_index = pos + raw_data_len + GZIP_FOOTER_LEN - 4;  in Initialize()
1321       size_t footer_size = get_unaligned<uint32_t>(file_content_.data() + footer_index);  in Initialize()
1344       size_t data_len = 0;  in Initialize()
1386   for (size_t i = 0; i < tgt_image->NumOfChunks(); ++i) {  in CheckAndProcessChunks()
1395   for (size_t i = 0; i < tgt_image->NumOfChunks(); ++i) {  in CheckAndProcessChunks()
1438   for (size_t i = 0; i < tgt_image.NumOfChunks(); i++) {  in GeneratePatches()
1478   size_t blocks_limit = 0;  in imgdiff()
1504         size_t bonus_size = st.st_size;  in imgdiff()