I am interested in the opinions of helpful people who might have something constructive to add.
________________________________________ From: pharo-project-boun...@lists.gforge.inria.fr [pharo-project-boun...@lists.gforge.inria.fr] On Behalf Of Henrik Johansen [henrik.s.johan...@veloxit.no] Sent: Wednesday, September 15, 2010 6:18 PM To: Pharo-project@lists.gforge.inria.fr Subject: Re: [Pharo-project] Another silent failure? How do you expect us to help you debug this? Really? Cheers, Henry On Sep 15, 2010, at 8:45 38PM, Schwab,Wilhelm K wrote: > I am playing with a new library and for kicks thought I would call its > get-version function: > > | buffer | > buffer := String new:80. > PLplotLibrary default cPlgver:buffer. > buffer. > > The above appears to do nothing; the buffer remains blank, and there is no > error raised from it. I tried something more complicated involving external > address and #alloc: and got the version number. That is encouraging from a > perspective of talking to the library, but then I had to square the above > failure with my use of memcpy() not long ago (different topic). In that > case, I had real need to allocate a buffer in a fixed heap, but was told that > I could ultimately copy from said buffer (which lives across multiple gcs and > would move) into a ByteArray of the needed size, which would not move during > the memcpy() call. That worked. So I tried > > | buffer | > buffer := ByteArray new:80. > PLplotLibrary default cPlgver:buffer. > buffer asString. > > and get the version number. What's up? Why is it ok to pass a byte array > but not a string? If there really is a difference, there should be an > exception hinting that something is wrong and what it might be - right? > > Bill > > > > _______________________________________________ > Pharo-project mailing list > Pharo-project@lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project _______________________________________________ Pharo-project mailing list Pharo-project@lists.gforge.inria.fr http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project _______________________________________________ Pharo-project mailing list Pharo-project@lists.gforge.inria.fr http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
