NAME

FFI::Platypus::Type::StringPointer - Convert a pointer to a string and back

VERSION

version 0.36

SYNOPSIS

In your C code:

 void
 string_pointer_argument(const char **string)
 {
   ...
 }
 const char **
 string_pointer_return(void)
 {
   ...
 }

In your Platypus::FFI code:

 use FFI::Platypus::Declare
   'void',
   [ '::StringPointer' => 'string_pointer' ];
 
 attach string_pointer_argument => [string_pointer] => void;
 attach string_pointer_return   => [] => string_pointer;
 
 my $string = "foo";
 
 string_pointer_argument(\$string); # $string may be modified
 
 $ref = string_pointer_return();
 
 print $$ref;  # print the string pointed to by $ref

DESCRIPTION

This module provides a FFI::Platypus custom type for pointers to strings.

SEE ALSO

FFI::Platypus

Main Platypus documentation.

FFI::Platypus::Declare

Declarative interface for Platypus.

FFI::Platypus::Type

Platypus types documentation.

AUTHOR

Author: Graham Ollis <plicease@cpan.org>

Contributors:

Bakkiaraj Murugesan (bakkiaraj)

Dylan Cali (calid)

pipcet

Zaki Mughal (zmughal)

Fitz Elliott (felliott)

COPYRIGHT AND LICENSE

This software is copyright (c) 2015 by Graham Ollis.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.