# Copyrights 2011-2013 by [Mark Overmeer].
# For other contributors see ChangeLog.
# See the manual pages for details on the licensing terms.
# Pod stripped from pm file by OODoc 2.01.
use warnings;
use strict;
package POSIX::1003::Sysconf;
use vars '$VERSION';
$VERSION = '0.94_4';
use base 'POSIX::1003::Module';
use Carp 'croak';
my @constants;
my @functions = qw/sysconf sysconf_names/;
our %EXPORT_TAGS =
( constants => \@constants
, functions => \@functions
, tables => [ '%sysconf' ]
);
my $sysconf;
our %sysconf;
BEGIN {
# initialize the :constants export tag
$sysconf = sysconf_table;
push @constants, keys %$sysconf;
tie %sysconf, 'POSIX::1003::ReadOnlyTable', $sysconf;
}
sub sysconf($);
sub exampleValue($)
{ my ($class, $name) = @_;
$name =~ m/^_SC_/ or return;
my $val = sysconf $name;
defined $val ? $val : 'undef';
}
sub sysconf($)
{ my $key = shift // return;
$key =~ /^_SC_/
or croak "pass the constant name as string";
my $id = $sysconf->{$key} // return;
my $val = POSIX::sysconf($id) // return;
$val+0; # remove " but true" from "0"
}
sub _create_constant($)
{ my ($class, $name) = @_;
my $id = $sysconf->{$name} // return sub() {undef};
sub() {POSIX::sysconf($id)};
}
sub sysconf_names() { keys %$sysconf }
1;