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Postings from November 2003
On Mon, Nov 17, 2003 at 05:13:14PM +0000, Alan Burlison wrote: > Yitzchak Scott-Thoennes wrote: > > >My memory is that they used the READONLY flag on the hashes to > >indicate a restricted hash only after checking that it had no current > >meaning. If that memory is correct, setting it on the HVs in 5.6.1 > >was a noop. Did you find that it had any effect? > > I think it had an effect if you applied it to the hash elements, but I > don't think it ever did anything to the hash itself. From looking through > the Hash::Utils documentation, I think I probably *do* want to use > restricted hashes, as I'm representing a tree of read-only C structs as a > tree of hashes, which is why I was fiddling around with SvREADONLY_on in > the first place. However, I'm not aware of any documentation on how this > should be done from XSUB code. I can always look at how Hash::Utils does > it, but that's implemented (mainly) in perl rather than XSUB - I was hoping > for some existing XSUB code I could plagarise ;-) And the rest of us are looking forward to plagarising yours ;-) Tim.Thread Previous | Thread Next