Am Samstag, 11. August 2012, 01:11:52 schrieb Michael Palimaka: > On 2012-08-11 01:02, Rolf Eike Beer wrote: > > Am Samstag 11 August 2012, 00:11:37 schrieb Michael Palimaka: > >> So you are saying: > >> > >> - readAll clears the buffer > >> - readLine unconditionally calls readAll > >> - readLine may be called multiple times to read multiple lines > >> > >> Is that correct? > > > > That's how the code looks to me. > > That set of statements is contradictory - how can the buffer be cleared, > but then read from again?
The process could write something new in the meantime. Or it readLine() could just return an empty line. > >> (Again, I note that in testing, calling readAll then readLine is > >> successful.) > > > > I.e. readLine() then returns something? Are you sure this has been written > > by the process before readAll() was called? Strange. > > Yes - the chfn implementation I am using writes "permission denied" and > immediately terminates. With the latest diff, readAll.isEmpty is false > so readLine is then executed. And after the readLine() you have valid input? And you are sure your new branch is taken? Eike
signature.asc
Description: This is a digitally signed message part.
