Re: testing exchangedata
Re: testing exchangedata
- Subject: Re: testing exchangedata
- From: Derrick Bass <email@hidden>
- Date: Tue, 4 Oct 2005 07:14:43 -0700
I don't have an answer for you, but I'd like to encourage you to file
a bug report about this. I filed one over a year ago for the same
thing and nothing has been done. It seems to be the consensus that
the more people file a bug report, the more likely Apple is to fix
the problem.
It is arguable as to whether or not exchangedata() should work with
hard-linked files (I think it should) and exactly what it should it
do, but the fact that it fails if a file was EVER hard linked (even
if it is no longer hard linked) is definitely a bug!
Derrick
Is there a way to test the validity of the arguments of exchangedata()
without actually calling it?
The equivalent of:
touch dummypath;
int a = exchangedata( path1, dummypath, 0);
exchangedata( dummypath, path1, 0);
What I really want to find out is, whether path1 is a hard link (in
which case exchangedata sets errno to EINVAL).
Please note that the link count does not help in this case, as HFS(+)
can have hard links with a link count of 1.
The reason I want to know about hard links is that NSDocument will not
do a "save" in this case (as it uses exchangedata internally in
writeWithBackupToFile:ofType:saveOperation: or in its Tiger
equivalent).
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