Method fdReaddir

lib/host/wasi/inode-win.cpp:1084–1122

}

WasiExpect<void> INode::fdReaddir(Span<uint8_t> Buffer,
                                  __wasi_dircookie_t Cookie,
                                  __wasi_size_t &Size) noexcept {
  if (likely(Find.ok())) {
    EXPECTED_TRY(Find.seek(Cookie));
  }

  if (unlikely(!Find.ok())) {
    // Begin the search for files
    EXPECTED_TRY(Find.emplace(Handle));
  }

  bool FindNextResult = true;
  Size = 0;

  do {
    const auto Written = Find.write(Buffer);
    Buffer = Buffer.subspan(Written);
    Size += static_cast<uint32_t>(Written);
    if (unlikely(Buffer.empty())) {
      break;
    }
    if (!FindNextResult) {
      // Check whether there are no more files left or an error was encountered.
      if (DWORD_ Code = GetLastError();
          unlikely(Code != ERROR_NO_MORE_FILES_)) {
        // The FindNextFileW() function failed.
        return WasiUnexpect(detail::fromLastError(Code));
      }
      break;
    }

    EXPECTED_TRY(Find.loadDirent());

    FindNextResult = Find.next();
  } while (!Buffer.empty());

  return {};
}

WasiExpect<void> INode::fdSeek(__wasi_filedelta_t Offset,
                               __wasi_whence_t Whence,