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FFI::Raw - Perl bindings to the portable FFI library (libffi) - metacpan.org
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</div> </li> <li> Distribution: <a href="/dist/FFI-Raw">FFI-Raw</a> </li> <li> Module version: 0.32 </li> <li> <a data-keyboard-shortcut="g s" href="/dist/FFI-Raw/source/lib/FFI/Raw.pm">Source</a> (<a href="/dist/FFI-Raw/source/lib/FFI/Raw.pm?raw=1">raw</a>) </li> <li> <a data-keyboard-shortcut="g b" href="/dist/FFI-Raw/source/lib/FFI">Browse</a> (<a href="/dist/FFI-Raw/source/lib/FFI?raw=1">raw</a>) </li> <li> <a data-keyboard-shortcut="g c" href="/dist/FFI-Raw/changes">Changes</a> </li> <li> <a rel="noopener nofollow" class="nopopup" href="http://metacpan.org/release/FFI-Raw/">Homepage</a> </li> <li> <a class="nopopup" href="/dist/FFI-Raw/contribute">How to Contribute</a> </li> <li> <a rel="noopener nofollow" data-keyboard-shortcut="g r" href="https://github.com/ghedo/p5-FFI-Raw">Repository</a> </li> <li> <a rel="noopener nofollow" data-keyboard-shortcut="g i" href="https://github.com/ghedo/p5-FFI-Raw/issues">Issues</a> </li> <li> <a rel="noopener nofollow" href="http://matrix.cpantesters.org/?dist=FFI-Raw+0.32" title="Matrix">Testers</a> <span title="(pass / fail / na)">(<a rel="noopener nofollow" href="https://www.cpantesters.org/distro/F/FFI-Raw.html?oncpan=1&distmat=1&version=0.32&grade=2" style="color: #090">3407</a> / <a rel="noopener nofollow" href="https://www.cpantesters.org/distro/F/FFI-Raw.html?oncpan=1&distmat=1&version=0.32&grade=3" style="color: #900">173</a> / <a rel="noopener nofollow" href="https://www.cpantesters.org/distro/F/FFI-Raw.html?oncpan=1&distmat=1&version=0.32&grade=4">62</a>)</span> </li> <li> <a rel="noopener nofollow" href="http://cpants.cpanauthors.org/release/ALEXBIO/FFI-Raw-0.32">Kwalitee</a> </li> <li> <div class="ttip" data-toggle="tooltip" data-placement="bottom" title="The # people with an indexing permission on FFI-Raw who have released something to CPAN in the last 2 years (i.e. the # people likely able to release critical fixes in a timely manner)"> Bus factor: 0 </div> </li> <li> <a rel="noopener nofollow" href="http://cpancover.com/latest/FFI-Raw-0.32/index.html">100.00% Coverage </a> </li> <li> License: perl_5 </li> <li> Perl: v5.10.0 </li> <li class="nav-header">Activity</li> <li> <div class="activity-graph"> <img src="/dist/FFI-Raw/activity.svg?res=month" /> <div class="comment">24 month</div> </div> </li> <li class="nav-header">Tools</li> <li> <a itemprop="downloadUrl" href="https://cpan.metacpan.org/authors/id/A/AL/ALEXBIO/FFI-Raw-0.32.tar.gz"> Download (<span itemprop="fileSize">970.04KB</span>)</a> </li> <li> <a href="https://explorer.metacpan.org/?url=%2Fmodule%2FALEXBIO%2FFFI-Raw-0.32%2Flib%2FFFI%2FRaw.pm"> MetaCPAN Explorer </a> </li> <li> <a href="/dist/FFI-Raw/permissions"> Permissions </a> </li> <li> <a href="/dist/FFI-Raw/releases.rss"> Subscribe to distribution </a> </li> <li> <button class="btn btn-link" data-toggle="modal" data-target="#metacpan_install-instructions-dialog"> Install Instructions </button> </li> <li> <form action="/search"> <input type="hidden" 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value="/release/ALEXBIO/FFI-Raw-0.29/view/lib/FFI/Raw.pm" >0.29 (ALEXBIO on 2014-03-27)</option> <option value="/release/ALEXBIO/FFI-Raw-0.28/view/lib/FFI/Raw.pm" >0.28 (ALEXBIO on 2014-02-14)</option> <option value="/release/ALEXBIO/FFI-Raw-0.27/view/lib/FFI/Raw.pm" >0.27 (ALEXBIO on 2014-02-03)</option> <option value="/release/ALEXBIO/FFI-Raw-0.26/view/lib/FFI/Raw.pm" >0.26 (ALEXBIO on 2014-02-01)</option> <option value="/release/ALEXBIO/FFI-Raw-0.25/view/lib/FFI/Raw.pm" >0.25 (ALEXBIO on 2014-01-23)</option> <option value="/release/ALEXBIO/FFI-Raw-0.24/view/lib/FFI/Raw.pm" >0.24 (ALEXBIO on 2013-12-19)</option> <option value="/release/ALEXBIO/FFI-Raw-0.23/view/lib/FFI/Raw.pm" >0.23 (ALEXBIO on 2013-12-04)</option> <option value="/release/ALEXBIO/FFI-Raw-0.22/view/lib/FFI/Raw.pm" >0.22 (ALEXBIO on 2013-12-01)</option> <option value="/release/ALEXBIO/FFI-Raw-0.21/view/lib/FFI/Raw.pm" >0.21 (ALEXBIO on 2013-11-24)</option> <option value="/release/ALEXBIO/FFI-Raw-0.20/view/lib/FFI/Raw.pm" >0.20 (ALEXBIO on 2013-11-18)</option> <option value="/release/ALEXBIO/FFI-Raw-0.19/view/lib/FFI/Raw.pm" >0.19 (ALEXBIO on 2013-11-10)</option> <option value="/release/ALEXBIO/FFI-Raw-0.18/view/lib/FFI/Raw.pm" >0.18 (ALEXBIO on 2013-11-10)</option> <option value="/release/ALEXBIO/FFI-Raw-0.17/view/lib/FFI/Raw.pm" >0.17 (ALEXBIO on 2013-03-02)</option> <option value="/release/ALEXBIO/FFI-Raw-0.16/view/lib/FFI/Raw.pm" >0.16 (ALEXBIO on 2012-10-02)</option> <option value="/release/ALEXBIO/FFI-Raw-0.15/view/lib/FFI/Raw.pm" >0.15 (ALEXBIO on 2012-09-30)</option> <option value="/release/ALEXBIO/FFI-Raw-0.14/view/lib/FFI/Raw.pm" >0.14 (ALEXBIO on 2012-09-22)</option> <option value="/release/ALEXBIO/FFI-Raw-0.13/view/lib/FFI/Raw.pm" >0.13 (ALEXBIO on 2012-09-19)</option> <option value="/release/ALEXBIO/FFI-Raw-0.12/view/lib/FFI/Raw.pm" >0.12 (ALEXBIO on 2012-08-20)</option> <option value="/release/ALEXBIO/FFI-Raw-0.11/view/lib/FFI/Raw.pm" >0.11 (ALEXBIO on 2012-08-14)</option> <option value="/release/ALEXBIO/FFI-Raw-0.10/view/lib/FFI/Raw.pm" >0.10 (ALEXBIO on 2012-08-14)</option> <option value="/release/ALEXBIO/FFI-Raw-0.09/view/lib/FFI/Raw.pm" >0.09 (ALEXBIO on 2012-07-19)</option> <option value="/release/ALEXBIO/FFI-Raw-0.08/view/lib/FFI/Raw.pm" >0.08 (ALEXBIO on 2012-07-07)</option> <option value="/release/ALEXBIO/FFI-Raw-0.07/view/lib/FFI/Raw.pm" >0.07 (ALEXBIO on 2012-05-31)</option> <option value="/release/ALEXBIO/FFI-Raw-0.06/view/lib/FFI/Raw.pm" >0.06 (ALEXBIO on 2012-05-15)</option> <option value="/release/ALEXBIO/FFI-Raw-0.05/view/lib/FFI/Raw.pm" >0.05 (ALEXBIO on 2012-05-09)</option> <option value="/release/ALEXBIO/FFI-Raw-0.04/view/lib/FFI/Raw.pm" >0.04 (ALEXBIO on 2012-04-28)</option> <option value="/release/ALEXBIO/FFI-Raw-0.03/view/lib/FFI/Raw.pm" >0.03 (ALEXBIO on 2012-04-26)</option> <option value="/release/ALEXBIO/FFI-Raw-0.02/view/lib/FFI/Raw.pm" >0.02 (ALEXBIO on 2012-04-19)</option> <option value="/release/ALEXBIO/FFI-Raw-0.01/view/lib/FFI/Raw.pm" >0.01 (ALEXBIO on 2012-04-18)</option> </optgroup> </select> </li> <li class="version-diff"> <select class="select-navigator form-control tool-bar-form"> <option disabled selected>Diff with version</option> <option disabled value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.32/lib/FFI/Raw.pm" >0.32 (ALEXBIO on 2014-06-02)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.31/lib/FFI/Raw.pm" >0.31 (ALEXBIO on 2014-04-30)</option> <optgroup label="BackPAN">' <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.30/lib/FFI/Raw.pm" >0.30 (ALEXBIO on 2014-03-27)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.29/lib/FFI/Raw.pm" >0.29 (ALEXBIO on 2014-03-27)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.28/lib/FFI/Raw.pm" >0.28 (ALEXBIO on 2014-02-14)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.27/lib/FFI/Raw.pm" >0.27 (ALEXBIO on 2014-02-03)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.26/lib/FFI/Raw.pm" >0.26 (ALEXBIO on 2014-02-01)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.25/lib/FFI/Raw.pm" >0.25 (ALEXBIO on 2014-01-23)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.24/lib/FFI/Raw.pm" >0.24 (ALEXBIO on 2013-12-19)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.23/lib/FFI/Raw.pm" >0.23 (ALEXBIO on 2013-12-04)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.22/lib/FFI/Raw.pm" >0.22 (ALEXBIO on 2013-12-01)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.21/lib/FFI/Raw.pm" >0.21 (ALEXBIO on 2013-11-24)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.20/lib/FFI/Raw.pm" >0.20 (ALEXBIO on 2013-11-18)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.19/lib/FFI/Raw.pm" >0.19 (ALEXBIO on 2013-11-10)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.18/lib/FFI/Raw.pm" >0.18 (ALEXBIO on 2013-11-10)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.17/lib/FFI/Raw.pm" >0.17 (ALEXBIO on 2013-03-02)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.16/lib/FFI/Raw.pm" >0.16 (ALEXBIO on 2012-10-02)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.15/lib/FFI/Raw.pm" >0.15 (ALEXBIO on 2012-09-30)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.14/lib/FFI/Raw.pm" >0.14 (ALEXBIO on 2012-09-22)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.13/lib/FFI/Raw.pm" >0.13 (ALEXBIO on 2012-09-19)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.12/lib/FFI/Raw.pm" >0.12 (ALEXBIO on 2012-08-20)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.11/lib/FFI/Raw.pm" >0.11 (ALEXBIO on 2012-08-14)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.10/lib/FFI/Raw.pm" >0.10 (ALEXBIO on 2012-08-14)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.09/lib/FFI/Raw.pm" >0.09 (ALEXBIO on 2012-07-19)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.08/lib/FFI/Raw.pm" >0.08 (ALEXBIO on 2012-07-07)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.07/lib/FFI/Raw.pm" >0.07 (ALEXBIO on 2012-05-31)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.06/lib/FFI/Raw.pm" >0.06 (ALEXBIO on 2012-05-15)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.05/lib/FFI/Raw.pm" >0.05 (ALEXBIO on 2012-05-09)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.04/lib/FFI/Raw.pm" >0.04 (ALEXBIO on 2012-04-28)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.03/lib/FFI/Raw.pm" >0.03 (ALEXBIO on 2012-04-26)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.02/lib/FFI/Raw.pm" >0.02 (ALEXBIO on 2012-04-19)</option> <option value="/release/ALEXBIO/FFI-Raw-0.32/diff/ALEXBIO/FFI-Raw-0.01/lib/FFI/Raw.pm" >0.01 (ALEXBIO on 2012-04-18)</option> </optgroup> </select> </li> <li> <ul class="dependencies"> <li class="nav-header">Dependencies</li> <li><a href="/pod/XSLoader" title="XSLoader" class="ellipsis">XSLoader</a></li> <li><a href="/pod/overload" title="overload" class="ellipsis">overload</a></li> <li><a href="/pod/strict" title="strict" class="ellipsis">strict</a></li> <li><a href="/pod/warnings" title="warnings" class="ellipsis">warnings</a></li> <li> <hr> </li> <li> <a href="/module/FFI::Raw/requires">Reverse dependencies</a> </li> <li> <a href="http://deps.cpantesters.org/?module=FFI%3A%3ARaw">CPAN Testers List</a> </li> <li> <a href="https://cpandeps.grinnz.com/?dist=FFI-Raw">Dependency graph</a> </li> </ul> </li> <li class="nav-header">Permalinks</li> <li> <a href="/release/ALEXBIO/FFI-Raw-0.32/view/lib/FFI/Raw.pm">This version</a> </li> <li> <a href="/pod/FFI::Raw">Latest version</a> </li> <li> <div class="plussers"> <div class="nav-header">++ed by:</div> <div> <a class="display-all" href="/author/ADAMJS"><img src="https://www.gravatar.com/avatar/62c7b6e864d6509cff5839543c676614?d=identicon&s=20" title="ADAMJS" alt="ADAMJS"></a> <a class="display-all" href="/author/SKAUFMAN"><img src="https://www.gravatar.com/avatar/2caf2787e235f58a65576632f93ef6c3?d=identicon&s=20" title="SKAUFMAN" alt="SKAUFMAN"></a> <a class="display-all" href="/author/ALEXBIO"><img src="https://www.gravatar.com/avatar/db45d24a3a3f3fa27a499be23c31da45?d=identicon&s=20" title="ALEXBIO" alt="ALEXBIO"></a> <a class="display-all" href="/author/POTATOGIM"><img src="https://www.gravatar.com/avatar/82f1c6258702415af6e26187f1e36850?d=identicon&s=20" title="POTATOGIM" alt="POTATOGIM"></a> <a class="display-all" href="/author/SRI"><img src="https://www.gravatar.com/avatar/bfa97d786f12ee3381f97bc909b88e11?d=identicon&s=20" title="SRI" alt="SRI"></a> </div> <!-- Display counts of plussers--> <div> <a href="/dist/FFI-Raw/plussers">17 PAUSE users</a> </div> <div> 9 non-PAUSE users </div> </div> </li> <li> </li> </ul> </div> </nav> <div class="content-navigation"> <div class="breadcrumbs"> <span> <a data-keyboard-shortcut="g a" rel="author" href="/author/ALEXBIO" class="author-name">Alessandro Ghedini</a> </span> <span> / </span> <div class="release dist-release status-latest maturity-released"> <span class="dropdown"><b class="caret"></b></span> <select class="select-navigator "> <option selected value="/release/ALEXBIO/FFI-Raw-0.32/view/lib/FFI/Raw.pm" >0.32 (ALEXBIO on 2014-06-02)</option> <option value="/release/ALEXBIO/FFI-Raw-0.31/view/lib/FFI/Raw.pm" >0.31 (ALEXBIO on 2014-04-30)</option> <optgroup label="BackPAN">' <option value="/release/ALEXBIO/FFI-Raw-0.30/view/lib/FFI/Raw.pm" >0.30 (ALEXBIO on 2014-03-27)</option> <option value="/release/ALEXBIO/FFI-Raw-0.29/view/lib/FFI/Raw.pm" >0.29 (ALEXBIO on 2014-03-27)</option> <option value="/release/ALEXBIO/FFI-Raw-0.28/view/lib/FFI/Raw.pm" >0.28 (ALEXBIO on 2014-02-14)</option> <option value="/release/ALEXBIO/FFI-Raw-0.27/view/lib/FFI/Raw.pm" >0.27 (ALEXBIO on 2014-02-03)</option> <option value="/release/ALEXBIO/FFI-Raw-0.26/view/lib/FFI/Raw.pm" >0.26 (ALEXBIO on 2014-02-01)</option> <option value="/release/ALEXBIO/FFI-Raw-0.25/view/lib/FFI/Raw.pm" >0.25 (ALEXBIO on 2014-01-23)</option> <option value="/release/ALEXBIO/FFI-Raw-0.24/view/lib/FFI/Raw.pm" >0.24 (ALEXBIO on 2013-12-19)</option> <option value="/release/ALEXBIO/FFI-Raw-0.23/view/lib/FFI/Raw.pm" >0.23 (ALEXBIO on 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/> <rect x="20" y="0" width="4" height="15" fill="#e4e2e2" /> </g> </svg> </span> <div id="FFI-Raw-fav" class="show-logged-in"> <form action="/account/favorite/add" style="display: inline" method="POST"> <input type="hidden" name="remove" value="0"> <input type="hidden" name="release" value="FFI-Raw-0.32"> <input type="hidden" name="author" value="ALEXBIO"> <input type="hidden" name="distribution" value="FFI-Raw"> <button type="submit" class="favorite highlight"><span>26</span> ++</button> </form> </div> <div class="show-logged-out"> <button class="fav-not-logged-in favorite highlight"><span>26</span> ++</button> </div> / <span>FFI::Raw</span> </div> </div> <main class="content"> <nav class="toc"> <div class="toc-header"><strong>Contents</strong></div> <ul> <li><a href="#NAME">NAME</a></li> <li><a href="#VERSION">VERSION</a></li> <li><a href="#SYNOPSIS">SYNOPSIS</a></li> <li><a href="#DESCRIPTION">DESCRIPTION</a></li> <li><a href="#METHODS">METHODS</a> <ul> <li><a href="#new(-%24library%2C-%24function%2C-%24return_type-%5B%2C-%24arg_type-...%5D-)">new( $library, $function, $return_type [, $arg_type ...] )</a></li> <li><a href="#new_from_ptr(-%24function_ptr%2C-%24return_type-%5B%2C-%24arg_type-...%5D-)">new_from_ptr( $function_ptr, $return_type [, $arg_type ...] )</a></li> <li><a href="#call(-%5B%24arg-...%5D-)">call( [$arg ...] )</a></li> <li><a href="#coderef(-)">coderef( )</a></li> </ul> </li> <li><a href="#SUBROUTINES">SUBROUTINES</a> <ul> <li><a href="#memptr(-%24length-)">memptr( $length )</a></li> <li><a href="#callback(-%24coderef%2C-%24ret_type-%5B%2C-%24arg_type-...%5D-)">callback( $coderef, $ret_type [, $arg_type ...] )</a></li> </ul> </li> <li><a href="#TYPES">TYPES</a> <ul> <li><a href="#FFI%3A%3ARaw%3A%3Avoid">FFI::Raw::void</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Aint">FFI::Raw::int</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Auint">FFI::Raw::uint</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Ashort">FFI::Raw::short</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Aushort">FFI::Raw::ushort</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Along">FFI::Raw::long</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Aulong">FFI::Raw::ulong</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Aint64">FFI::Raw::int64</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Auint64">FFI::Raw::uint64</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Achar">FFI::Raw::char</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Auchar">FFI::Raw::uchar</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Afloat">FFI::Raw::float</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Adouble">FFI::Raw::double</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Astr">FFI::Raw::str</a></li> <li><a href="#FFI%3A%3ARaw%3A%3Aptr">FFI::Raw::ptr</a></li> </ul> </li> <li><a href="#AUTHOR">AUTHOR</a></li> <li><a href="#SEE-ALSO">SEE ALSO</a></li> <li><a href="#LICENSE-AND-COPYRIGHT">LICENSE AND COPYRIGHT</a></li> </ul></nav> <div class="pod anchors"> <h1 id="NAME">NAME</h1> <p>FFI::Raw - Perl bindings to the portable FFI library (libffi)</p> <h1 id="VERSION">VERSION</h1> <p>version 0.32</p> <h1 id="SYNOPSIS">SYNOPSIS</h1> <pre><code>use FFI::Raw; my $cos = FFI::Raw -> new( 'libm.so', 'cos', FFI::Raw::double, # return value FFI::Raw::double # arg #1 ); say $cos -> call(2.0);</code></pre> <h1 id="DESCRIPTION">DESCRIPTION</h1> <p><b>FFI::Raw</b> provides a low-level foreign function interface (FFI) for Perl based on <a href="http://sourceware.org/libffi/">libffi</a>. In essence, it can access and call functions exported by shared libraries without the need to write C/XS code.</p> <p>Dynamic symbols can be automatically resolved at runtime so that the only information needed to use <b>FFI::Raw</b> is the name (or path) of the target library, the name of the function to call and its signature (though it is also possible to pass a function pointer obtained, for example, using <a href="/pod/DynaLoader">DynaLoader</a>).</p> <p>Note that this module has nothing to do with <a href="/pod/FFI">FFI</a>.</p> <h1 id="METHODS">METHODS</h1> <h2 id="new(-$library,-$function,-$return_type-[,-$arg_type-...]-)"><a id="new"></a><a id="new-library-function-return_type-arg_type"></a>new( $library, $function, $return_type [, $arg_type ...] )</h2> <p>Create a new <code>FFI::Raw</code> object. It loads <code>$library</code>, finds the function <code>$function</code> with return type <code>$return_type</code> and creates a calling interface.</p> <p>If <code>$library</code> is <code>undef</code> then the function is searched in the main program.</p> <p>This method also takes a variable number of types, representing the arguments of the wanted function.</p> <h2 id="new_from_ptr(-$function_ptr,-$return_type-[,-$arg_type-...]-)"><a id="new_from_ptr"></a><a id="new_from_ptr-function_ptr-return_type-arg_type"></a>new_from_ptr( $function_ptr, $return_type [, $arg_type ...] )</h2> <p>Create a new <code>FFI::Raw</code> object from the <code>$function_ptr</code> function pointer.</p> <p>This method also takes a variable number of types, representing the arguments of the wanted function.</p> <h2 id="call(-[$arg-...]-)"><a id="call"></a><a id="call-arg"></a>call( [$arg ...] )</h2> <p>Execute the <code>FFI::Raw</code> function. This methoed also takes a variable number of arguments, which are passed to the called function. The argument types must match the types passed to <code>new</code> (or <code>new_from_ptr</code>).</p> <p>The <code>FFI::Raw</code> object can be used as a CODE reference as well. Dereferencing the object will work just like call():</p> <pre><code>$cos -> call(2.0); # normal call() call $cos -> (2.0); # dereference as CODE ref</code></pre> <p>This works because FFI::Raw overloads the <code>&{}</code> operator.</p> <h2 id="coderef(-)"><a id="coderef"></a>coderef( )</h2> <p>Return a code reference of a given <code>FFI::Raw</code>.</p> <h1 id="SUBROUTINES">SUBROUTINES</h1> <h2 id="memptr(-$length-)"><a id="memptr"></a><a id="memptr-length"></a>memptr( $length )</h2> <p>Create a <a href="/pod/FFI::Raw::MemPtr">FFI::Raw::MemPtr</a>. This is a shortcut for <code>FFI::Raw::MemPtr->new(...)</code>.</p> <h2 id="callback(-$coderef,-$ret_type-[,-$arg_type-...]-)"><a id="callback"></a><a id="callback-coderef-ret_type-arg_type"></a>callback( $coderef, $ret_type [, $arg_type ...] )</h2> <p>Create a <a href="/pod/FFI::Raw::Callback">FFI::Raw::Callback</a>. This is a shortcut for <code>FFI::Raw::Callback->new(...)</code>.</p> <h1 id="TYPES">TYPES</h1> <h2 id="FFI::Raw::void"><a id="FFI"></a>FFI::Raw::void</h2> <p>Return a <code>FFI::Raw</code> void type.</p> <h2 id="FFI::Raw::int"><a id="FFI1"></a>FFI::Raw::int</h2> <p>Return a <code>FFI::Raw</code> integer type.</p> <h2 id="FFI::Raw::uint"><a id="FFI2"></a>FFI::Raw::uint</h2> <p>Return a <code>FFI::Raw</code> unsigned integer type.</p> <h2 id="FFI::Raw::short"><a id="FFI3"></a>FFI::Raw::short</h2> <p>Return a <code>FFI::Raw</code> short integer type.</p> <h2 id="FFI::Raw::ushort"><a id="FFI4"></a>FFI::Raw::ushort</h2> <p>Return a <code>FFI::Raw</code> unsigned short integer type.</p> <h2 id="FFI::Raw::long"><a id="FFI5"></a>FFI::Raw::long</h2> <p>Return a <code>FFI::Raw</code> long integer type.</p> <h2 id="FFI::Raw::ulong"><a id="FFI6"></a>FFI::Raw::ulong</h2> <p>Return a <code>FFI::Raw</code> unsigned long integer type.</p> <h2 id="FFI::Raw::int64"><a id="FFI7"></a>FFI::Raw::int64</h2> <p>Return a <code>FFI::Raw</code> 64 bit integer type. This requires <a href="/pod/Math::Int64">Math::Int64</a> to work.</p> <h2 id="FFI::Raw::uint64"><a id="FFI8"></a>FFI::Raw::uint64</h2> <p>Return a <code>FFI::Raw</code> unsigned 64 bit integer type. This requires <a href="/pod/Math::Int64">Math::Int64</a> to work.</p> <h2 id="FFI::Raw::char"><a id="FFI9"></a>FFI::Raw::char</h2> <p>Return a <code>FFI::Raw</code> char type.</p> <h2 id="FFI::Raw::uchar"><a id="FFI10"></a>FFI::Raw::uchar</h2> <p>Return a <code>FFI::Raw</code> unsigned char type.</p> <h2 id="FFI::Raw::float"><a id="FFI11"></a>FFI::Raw::float</h2> <p>Return a <code>FFI::Raw</code> float type.</p> <h2 id="FFI::Raw::double"><a id="FFI12"></a>FFI::Raw::double</h2> <p>Return a <code>FFI::Raw</code> double type.</p> <h2 id="FFI::Raw::str"><a id="FFI13"></a>FFI::Raw::str</h2> <p>Return a <code>FFI::Raw</code> string type.</p> <h2 id="FFI::Raw::ptr"><a id="FFI14"></a>FFI::Raw::ptr</h2> <p>Return a <code>FFI::Raw</code> pointer type.</p> <h1 id="AUTHOR">AUTHOR</h1> <p>Alessandro Ghedini <alexbio@cpan.org></p> <h1 id="SEE-ALSO"><a id="SEE"></a>SEE ALSO</h1> <p><a href="/pod/FFI">FFI</a>, <a href="http://gitorious.org/perl-ctypes">Ctypes</a></p> <h1 id="LICENSE-AND-COPYRIGHT"><a id="LICENSE"></a>LICENSE AND COPYRIGHT</h1> <p>Copyright 2012 Alessandro Ghedini.</p> <p>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.</p> <p>See http://dev.perl.org/licenses/ for more information.</p></div> <div id="metacpan_install-instructions-dialog" class="modal fade"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button> <h4 class="modal-title">Module Install Instructions</h4> </div> <div class="modal-body"> <p>To install FFI::Raw, copy and paste the appropriate command in to your terminal.</p> <p><a href="/dist/App-cpanminus/view/bin/cpanm">cpanm</a></p> <pre><code>cpanm FFI::Raw</code></pre> <p><a href="/pod/CPAN">CPAN shell</a></p> <pre><code>perl -MCPAN -e shell install FFI::Raw</code></pre> <p>For more 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