use warnings;
use Carp;
-require Exporter;
+use Exporter 'import';
require XSLoader;
-our @ISA = qw(Exporter);
-
our @EXPORT = qw(langinfo);
our @EXPORT_OK = qw(
YESSTR
);
-our $VERSION = '0.16';
+our $VERSION = '0.21';
XSLoader::load();
The langinfo() function queries various locale information that can be
used to localize output and user interfaces. It uses the current underlying
locale, regardless of whether or not it was called from within the scope of
-S<C<use locale>>. The langinfo() requires
+S<C<use locale>>. The langinfo() function requires
one numeric argument that identifies the locale constant to query:
if no argument is supplied, C<$_> is used. The numeric constants
appropriate to be used as arguments are exportable from I18N::Langinfo.
dim? [oui/non]
-The usually available constants are
+The usually available constants are as follows.
+
+=over 4
+
+=item *
+
+For abbreviated and full length days of the week and months of the year:
ABDAY_1 ABDAY_2 ABDAY_3 ABDAY_4 ABDAY_5 ABDAY_6 ABDAY_7
ABMON_1 ABMON_2 ABMON_3 ABMON_4 ABMON_5 ABMON_6
MON_1 MON_2 MON_3 MON_4 MON_5 MON_6
MON_7 MON_8 MON_9 MON_10 MON_11 MON_12
-for abbreviated and full length days of the week and months of the year,
+=item *
+
+For the date-time, date, and time formats used by the strftime() function
+(see L<POSIX>):
D_T_FMT D_FMT T_FMT
-for the date-time, date, and time formats used by the strftime() function
-(see L<POSIX>)
+=item *
+
+For the locales for which it makes sense to have ante meridiem and post
+meridiem time formats:
AM_STR PM_STR T_FMT_AMPM
-for the locales for which it makes sense to have ante meridiem and post
-meridiem time formats,
+=item *
- CODESET CRNCYSTR
+For the character code set being used (such as "ISO8859-1", "cp850",
+"koi8-r", "sjis", "utf8", etc.), and for the currency string:
-for the character code set being used (such as "ISO8859-1", "cp850",
-"koi8-r", "sjis", "utf8", etc.), for the currency string
+ CODESET CRNCYSTR
- ALT_DIGITS RADIXCHAR THOUSEP
+=item *
-for an alternate representation of digits, for the
+For an alternate representation of digits, for the
radix character used between the integer and the fractional part
of decimal numbers, the group separator string for large-ish floating point
-numbers (yes, the final two are redundant with POSIX::localeconv())
+numbers (yes, the final two are redundant with
+L<POSIX::localeconv()|POSIX/localeconv>):
+
+ ALT_DIGITS RADIXCHAR THOUSEP
+
+=item *
+
+For the affirmative and negative responses and expressions:
YESSTR YESEXPR NOSTR NOEXPR
-for the affirmative and negative responses and expressions, and
+=item *
+
+For the eras based on typically some ruler, such as the Japanese Emperor
+(naturally only defined in the appropriate locales):
ERA ERA_D_FMT ERA_D_T_FMT ERA_T_FMT
-for the eras based on typically some ruler, such as the Japanese Emperor
-(naturally only defined in the appropriate locales).
+=back
+
+=head2 For systems without C<nl_langinfo>
Starting in Perl 5.28, this module is available even on systems that lack a
-nativeC<nl_langinfo>. On such systems, it uses various methods to construct
+native C<nl_langinfo>. On such systems, it uses various methods to construct
what that function, if present, would return. But there are potential
glitches. These are the items that could be different:
=over
-=item C<CODESET>
-
=item C<ERA>
Unimplemented, so returns C<"">.
+=item C<CODESET>
+
+Unimplemented, except on Windows, due to the vagaries of vendor locale names,
+returning C<""> on non-Windows.
+
=item C<YESEXPR>
=item C<YESSTR>
=item C<CRNCYSTR>
The return may be incorrect for those rare locales where the currency symbol
-replaces the radix character.
-Send email to L<mailto:perlbug@perl.org> if you have examples of it needing
-to work differently.
+replaces the radix character. If you have examples of it needing to work
+differently, please file a report at L<https://github.com/Perl/perl5/issues>.
=item C<ALT_DIGITS>
-Currently this gives the same results as Linux does.
-Send email to L<mailto:perlbug@perl.org> if you have examples of it needing
-to work differently.
+Currently this gives the same results as Linux does. If you have examples of
+it needing to work differently, please file a report at
+L<https://github.com/Perl/perl5/issues>.
=item C<ERA_D_FMT>
Before Perl 5.28, the returned values are unreliable for the C<RADIXCHAR> and
C<THOUSEP> locale constants.
+Starting in 5.28, changing locales on threaded builds is supported on systems
+that offer thread-safe locale functions. These include POSIX 2008 systems and
+Windows starting with Visual Studio 2005, and this module will work properly
+in such situations. However, on threaded builds on Windows prior to Visual
+Studio 2015, retrieving the items C<CRNCYSTR> and C<THOUSEP> can result in a
+race with a thread that has converted to use the global locale. It is quite
+uncommon for a thread to have done this. It would be possible to construct a
+workaround for this; patches welcome: see L<perlapi/switch_to_global_locale>.
+
=head1 SEE ALSO
L<perllocale>, L<POSIX/localeconv>, L<POSIX/setlocale>, L<nl_langinfo(3)>.
-The langinfo() is just a wrapper for the C nl_langinfo() interface.
+The langinfo() function is just a wrapper for the C nl_langinfo() interface.
=head1 AUTHOR
https://perl5.git.perl.org / perl5.git / blobdiff