[Gtk2-perl-bugs] [Bug 704000] New: Gtk2 -init brokes perl internal locale handling

[gnome-perl (bugzilla.gnome.o. <bug...@gn...>]

https://bugzilla.gnome.org/show_bug.cgi?id=704000
  gnome-perl | Gtk2 | unspecified

           Summary: Gtk2 -init brokes perl internal locale handling
    Classification: Bindings
           Product: gnome-perl
           Version: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: Gtk2
        AssignedTo: gtk...@li...
        ReportedBy: do...@uh...
         QAContact: gtk...@li...
     GNOME version: ---


Preamble: Hungarian locale uses a comma instead of a decimal point in
fractional numbers.

The two oneliner examples below show the bug:

doome@freedom:~$ LC_ALL=hu_HU.utf8 perl -e 'print 3.123."\n";'
3.123

doome@freedom:~$ LC_ALL=hu_HU.utf8 perl -e 'use Gtk2 -init; print 3.123."\n";'
3,123

Somehow using Gtk2 -init; mangles (localizes) how Perl fetches a number from
the memory, thus all modules trying to access a number got it converted to the
locale, even if it shouldn't have.

Using pack shows the problem, too, so hopefully it is not in printing or some
weird IO Layer of Perl:

doome@freedom:~$ LC_ALL=hu_HU.utf8 perl -e 'use Gtk2 -init; print unpack("H*",
3.123)."\n";'
332c313233

doome@freedom:~$ LC_ALL=hu_HU.utf8 perl -e 'print unpack("H*", 3.123)."\n";'
332e313233

This shows the problem lies somewhere deep, because even pack show difference:
2c (an ASCII comma) with Gtk2 -init, and 2e (an ASCII period) without it, so
internal stringifying goes wrong..

Tried it on a system with perl-gtk2 1.247, Gtk 2.24 and Perl 5.16, and another
one with perl-gtk2 1.220, Gtk2 2.18.9, Perl 5.10.1, both were affected.

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