Method StartAlignedEntryWithTime

Bcore/src/main/cpp/ziparchive/zip_writer.cc:198–266

}

int32_t ZipWriter::StartAlignedEntryWithTime(const char* path, size_t flags, time_t time,
                                             uint32_t alignment) {
  if (state_ != State::kWritingZip) {
    return kInvalidState;
  }

  if (flags & kAlign32) {
    return kInvalidAlign32Flag;
  }

  if (powerof2(alignment) == 0) {
    return kInvalidAlignment;
  }

  FileEntry file_entry = {};
  file_entry.local_file_header_offset = current_offset_;
  file_entry.path = path;

  if (!IsValidEntryName(reinterpret_cast<const uint8_t*>(file_entry.path.data()),
                        file_entry.path.size())) {
    return kInvalidEntryName;
  }

  if (flags & ZipWriter::kCompress) {
    file_entry.compression_method = kCompressDeflated;

    int32_t result = PrepareDeflate();
    if (result != kNoError) {
      return result;
    }
  } else {
    file_entry.compression_method = kCompressStored;
  }

  ExtractTimeAndDate(time, &file_entry.last_mod_time, &file_entry.last_mod_date);

  off_t offset = current_offset_ + sizeof(LocalFileHeader) + file_entry.path.size();
  std::vector<char> zero_padding;
  if (alignment != 0 && (offset & (alignment - 1))) {
    // Pad the extra field so the data will be aligned.
    uint16_t padding = alignment - (offset % alignment);
    file_entry.padding_length = padding;
    offset += padding;
    zero_padding.resize(padding, 0);
  }

  LocalFileHeader header = {};
  // Always start expecting a data descriptor. When the data has finished being written,
  // if it is possible to seek back, the GPB flag will reset and the sizes written.
  CopyFromFileEntry(file_entry, true /*use_data_descriptor*/, &header);

  if (fwrite(&header, sizeof(header), 1, file_) != 1) {
    return HandleError(kIoError);
  }

  if (fwrite(path, sizeof(*path), file_entry.path.size(), file_) != file_entry.path.size()) {
    return HandleError(kIoError);
  }