[perl #134221] open(FH, "+>>", undef) doesn't set O_APPEND

On Tue, 02 Jul 2019 18:34:26 -0700, e@80x24.org wrote:
> Tony Cook via RT <perlbug-followup@perl.org> wrote:
> > On Tue, 02 Jul 2019 00:18:35 -0700, e@80x24.org wrote:
> > > However, there's a regression:
> > > 
> > > "+>" (which previously worked and is documented) now fails
> > > completely:
> > > 
> > >   ./perl -e 'open(my $fh, "+>", undef) or die "open: $!"'
> > > 
> > > I couldn't even find the syscall being made via truss.
> > 
> > Here's an updated patch.
> 
> Looks good and confirmed both "+>" and "+>>" via truss output on
> FreeBSD 11.2

Craig helped me out with the VMS support.

So:

ae73d7ec2329275a2dba4be24415743f884d9dfd append mode for POSIX-like systems
0424723402ef153af8ee44222315d9b6a818d1ba for Win32
74b421cc877e412c4eda06757396a1e19fc756ba and VMS now (sort of) uses the same mkostemp() code that POSIX-like systems do.

Tony


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via perlbug:  queue: perl5 status: open
https://rt.perl.org/Ticket/Display.html?id=134221

• [perl #134221] open(FH, "+>>", undef) doesn't set O_APPEND by Tony Cook via RT
• [perl #134221] open(FH, "+>>", undef) doesn't set O_APPEND by Steve Hay via RT
• [perl #134221] open(FH, "+>>", undef) doesn't set O_APPEND by Tony Cook via RT