> > Hi, i have a question. > > > > Why 'dd' does not seek over 'char' devs (specifically raw disk partitions). > > Not all character devices support seeking. So, we work with the LCD... > Sorry, I don't like this either. It would be better, maybe, just to fix > character devices.
couldn't we first try lseek and only do the reads on char devs where the lseek fails ? > You certainly make a good case. modify your local copy of dd to do > what you want. generally this is not the kind of things you can do when your system has already gone bad (this was a laptop's disk...) > > > > I notice that on output lseek _is_ used also on char devices. > > And how else would you do it? ok, stupid observation! cheers luigi -----------------------------------+------------------------------------- Luigi RIZZO, lu...@iet.unipi.it . Dip. di Ing. dell'Informazione http://www.iet.unipi.it/~luigi/ . Universita` di Pisa TEL/FAX: +39-050-568.533/522 . via Diotisalvi 2, 56126 PISA (Italy) http://www.iet.unipi.it/~luigi/ngc99/ ==== First International Workshop on Networked Group Communication ==== -----------------------------------+------------------------------------- To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message