Method seekp

bolt/common/memory/ByteStream.cpp:104–121

}

void ByteInputStream::seekp(std::streampos position) {
  if (ranges_.empty() && position == 0) {
    return;
  }
  int64_t toSkip = position;
  for (auto& range : ranges_) {
    if (toSkip <= range.size) {
      current_ = &range;
      current_->position = toSkip;
      return;
    }
    toSkip -= range.size;
  }
  static_assert(sizeof(std::streamsize) <= sizeof(long long));
  BOLT_FAIL(
      "Seeking past end of ByteInputStream: {}",
      static_cast<long long>(position));
}

void ByteInputStream::next(bool throwIfPastEnd) {
  BOLT_CHECK(current_ >= &ranges_[0]);