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# Copyrights 2011-2020 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 2.02. # This code is part of distribution POSIX-1003. Meta-POD processed with # OODoc into POD and HTML manual-pages. See README.md # Copyright Mark Overmeer. Licensed under the same terms as Perl itself. package POSIX::1003::Sysconf; use vars '$VERSION'; $VERSION = '1.02'; use base 'POSIX::1003::Module'; use warnings; use strict; 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 { $sysconf = sysconf_table; push @constants, keys %$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;
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