File Coverage

blib/lib/FFI/Platypus/Memory.pm

Criterion	Covered	Total	%
statement	17	17	100.0
branch			n/a
condition			n/a
subroutine	8	8	100.0
pod			n/a
total	25	25	100.0

package FFI::Platypus::Memory;

use strict;
use warnings;
use 5.008004;
use FFI::Platypus;
use Exporter qw( import );

# ABSTRACT: Memory functions for FFI
our $VERSION = '2.07'; # VERSION


our @EXPORT = qw( malloc free calloc realloc memcpy memset strdup strndup strcpy );

my $ffi = FFI::Platypus->new( api => 2 );
$ffi->lib(undef);
$ffi->bundle;
sub _ffi { $ffi }

$ffi->attach(malloc  => ['size_t']                     => 'opaque' => '$');
$ffi->attach(free    => ['opaque']                     => 'void'   => '$');
$ffi->attach(calloc  => ['size_t', 'size_t']           => 'opaque' => '$$');
$ffi->attach(realloc => ['opaque', 'size_t']           => 'opaque' => '$$');
$ffi->attach(memcpy  => ['opaque', 'opaque', 'size_t'] => 'opaque' => '$$$');
$ffi->attach(memset  => ['opaque', 'int', 'size_t']    => 'opaque' => '$$$');
$ffi->attach(strcpy  => ['opaque', 'string']           => 'opaque' => '$$');

my $_strdup_impl = 'not-loaded';
sub _strdup_impl { $_strdup_impl }

eval {
  die "do not use c impl" if ($ENV{FFI_PLATYPUS_MEMORY_STRDUP_IMPL}||'libc') eq 'ffi';
  $ffi->attach(strdup  => ['string'] => 'opaque' => '$');
  $_strdup_impl = 'libc';
};
if($@ && $^O eq 'MSWin32')
{
  eval {
    die "do not use c impl" if ($ENV{FFI_PLATYPUS_MEMORY_STRDUP_IMPL}||'libc') eq 'ffi';
    $ffi->attach([ _strdup => 'strdup' ] => ['string'] => 'opaque' => '$');
    $_strdup_impl = 'libc';
  };
}
if($@)
{
  warn "using bundled strdup";
  $_strdup_impl = 'ffi';
  $ffi->attach([ ffi_platypus_memory__strdup => 'strdup' ] => ['string'] => 'opaque' => '$');
}

my $_strndup_impl = 'not-loaded';
sub _strndup_impl { $_strndup_impl }

eval {
  die "do not use c impl" if ($ENV{FFI_PLATYPUS_MEMORY_STRDUP_IMPL}||'libc') eq 'ffi';
  $ffi->attach(strndup  => ['string','size_t'] => 'opaque' => '$$');
  $_strndup_impl = 'libc';
};
if($@)
{
  $_strndup_impl = 'ffi';
  $ffi->attach([ ffi_platypus_memory__strndup => 'strndup' ] => ['string','size_t'] => 'opaque' => '$$');
}

# used internally by FFI::Platypus::Type::WideString, may go away.
eval { $ffi->attach( [ wcslen  => '_wcslen' ]  => [ 'opaque'           ] => 'size_t' => '$' ) };
eval { $ffi->attach( [ wcsnlen => '_wcsnlen' ] => [ 'string', 'size_t' ] => 'size_t' => '$$' ) };

1;

__END__