148     filestr = new dwgCharStream(buf, size);  in dwgBuffer()
155     filestr = new dwgFileStream(stream);  in dwgBuffer()
157     maxSize = filestr->size();  in dwgBuffer()
162     filestr = org.filestr->clone();  in dwgBuffer()
164     maxSize = filestr->size();  in dwgBuffer()
170     filestr = org.filestr->clone();  in operator =()
172     maxSize = filestr->size();  in operator =()
179     delete filestr;  in ~dwgBuffer()
185          return filestr->getPos() -1;  in getPosition()
186      return filestr->getPos();  in getPosition()
194     return filestr->setPos(pos);  in setPosition()
204         filestr->read (&buffer,1);  in setBitPos()
208         filestr->setPos(filestr->getPos()-1);  in setBitPos()
217     filestr->setPos(getPosition() + (b >> 3) );  in moveBitPos()
221         filestr->read (&currByte,1);  in moveBitPos()
223     return filestr->good();  in moveBitPos()
231         filestr->read (&buffer,1);  in getBit()
253         filestr->read (&buffer,1);  in get2Bits()
262         filestr->read (&buffer,1);  in get2Bits()
279         filestr->read (&buffer,1);  in get3Bits()
288         filestr->read (&buffer,1);  in get3Bits()
361         filestr->read (buffer,8);  in getBitDouble()
383     filestr->read (&buffer,1);  in getRawChar8()
399     filestr->read (buffer,2);  in getRawShort16()
419         filestr->read (buffer,8);  in getRawDouble()
706         filestr->read (buffer,4);  in getDefaultDouble()
720         filestr->read (buffer,6);  in getDefaultDouble()
845     filestr->read (buf,size);  in getBytes()
846     if (!filestr->good())  in getBytes()
860     int pos = filestr->getPos();  in crc8()
861     filestr->setPos(start);  in crc8()
865     filestr->read (tmpBuf,n);  in crc8()
866     filestr->setPos(pos);  in crc8()
867     if (!filestr->good())  in crc8()
883     int pos = filestr->getPos();  in crc32()
884     filestr->setPos(start);  in crc32()
888     filestr->read (tmpBuf,n);  in crc32()
889     filestr->setPos(pos);  in crc32()
890     if (!filestr->good())  in crc32()