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Dir : C:/xampp7/perl/vendor/lib/FFI/Raw/

View File Name : Ptr.pm

package FFI::Raw::Ptr;
$FFI::Raw::Ptr::VERSION = '0.32';
use strict;
use warnings;

=head1 NAME

FFI::Raw::Ptr - Base FFI::Raw pointer type

=head1 VERSION

version 0.32

=head1 SYNOPSIS

    package Foo;

    use FFI::Raw;

    use base qw(FFI::Raw::Ptr);

    *_foo_new = FFI::Raw -> new(
      $shared, 'foo_new',
      FFI::Raw::ptr
    ) -> coderef;

    sub new {
      bless shift -> SUPER::new(_foo_new());
    }

    *get_bar = FFI::Raw -> new(
      $shared, 'foo_get_bar',
      FFI::Raw::int,
      FFI::Raw::ptr
    ) -> coderef;

    *set_bar = FFI::Raw -> new(
      $shared, 'foo_set_bar',
      FFI::Raw::void,
      FFI::Raw::ptr,
      FFI::Raw::int
    ) -> coderef;

    *DESTROY = FFI::Raw -> new(
      $shared, 'foo_free',
      FFI::Raw::void,
      FFI::Raw::ptr
    ) -> coderef;

    1;

    package main;

    my $foo = Foo -> new;

    $foo -> set_bar(42);

=head1 DESCRIPTION

A B<FFI::Raw::Ptr> represents a pointer to memory which can be passed to
functions taking a C<FFI::Raw::ptr> argument.

Note that differently from L<FFI::Raw::MemPtr>, C<FFI::Raw::Ptr> pointers are
not automatically deallocated once not in use anymore.

=head1 METHODS

=head2 new( $ptr )

Create a new C<FFI::Raw::Ptr> pointing to C<$ptr>, which can be either a
C<FFI::Raw::MemPtr> or a pointer returned by a C function.

=cut

sub new {
	my($class, $ptr) = @_;
	bless \$ptr, $class;
}

=head1 AUTHOR

Graham Ollis <plicease@cpan.org>

Alessandro Ghedini <alexbio@cpan.org>

=head1 LICENSE AND COPYRIGHT

Copyright 2014 Alessandro Ghedini.

This program is free software; you can redistribute it and/or modify it
under the terms of either: the GNU General Public License as published
by the Free Software Foundation; or the Artistic License.

See http://dev.perl.org/licenses/ for more information.

=cut

1; # End of FFI::Raw::Ptr