Method setEntry

system/lib/wasmfs/file_table.cpp:32–49

}

std::shared_ptr<DataFile>
FileTable::Handle::setEntry(__wasi_fd_t fd,
                            std::shared_ptr<OpenFileState> openFile) {
  assert(fd >= 0);
  assert(fd < WASMFS_FD_MAX);
  if (fd >= fileTable.entries.size()) {
    fileTable.entries.resize(fd + 1);
  }
  if (openFile) {
    ++openFile->uses;
  }
  std::shared_ptr<DataFile> ret;
  if (fileTable.entries[fd] && --fileTable.entries[fd]->uses == 0) {
    ret = fileTable.entries[fd]->locked().getFile()->dynCast<DataFile>();
  }
  fileTable.entries[fd] = openFile;
  return ret;
}

__wasi_fd_t
FileTable::Handle::addEntry(std::shared_ptr<OpenFileState> openFileState) {