[perl #112272] link() does not return the correct error on existing files (Win32)

On Thu Apr 05 05:01:04 2012, lcons@cpan.org wrote:
> This is a bug report for perl from lcons@cpan.org,
> generated with the help of perlbug 1.39 running under perl 5.14.2.
> 
> This has been seen when using Strawberry Perl on Windows 7.
> 
> When using the link() built-in to link to an existing file, the
> function
> fails and sets $! to EINVAL. On other systems, EEXIST is used.
> 
> This seems to violate the POSIX standard
> (http://pubs.opengroup.org/onli nepubs/009695399/functions/link.html)
> that
> does not even list EINVAL in its list of possible errors.
> 
> Note that, in this case, $^E is set to ERROR_ALREADY_EXISTS (Cannot
> create a file when that file already exists) so the problem may simply
> bet a mapping between $^E and $!.
> 
> This has been initially reported as
> https://rt.cpan.org/Public/Bug/Display.html?id=76324.

Tested and fixed by 23629bd37b27c6af15ae899eccd83273eb1353bb and
2b42d7ed85d297655c1e58d1db212901dc38654f.

Tony


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via perlbug:  queue: perl5 status: new
https://rt.perl.org:443/rt3/Ticket/Display.html?id=112272

• [perl #112272] link() does not return the correct error on existing files (Win32) by Tony Cook via RT