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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/Data-Memory-Encoding-Base64.html">Source</a></li><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">memory-0.10: memory and related abstraction stuff</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>License</th><td>BSD-style</td></tr><tr><th>Maintainer</th><td>Vincent Hanquez <vincent@snarc.org></td></tr><tr><th>Stability</th><td>experimental</td></tr><tr><th>Portability</th><td>unknown</td></tr><tr><th>Safe Haskell</th><td>None</td></tr><tr><th>Language</th><td>Haskell2010</td></tr></table><p class="caption">Data.Memory.Encoding.Base64</p></div><div id="description"><p class="caption">Description</p><div class="doc"><p>Base64</p></div></div><div id="synopsis"><p id="control.syn" class="caption expander" onclick="toggleSection('syn')">Synopsis</p><ul id="section.syn" class="hide" onclick="toggleSection('syn')"><li class="src short"><a href="#v:toBase64">toBase64</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> ()</li><li class="src short"><a href="#v:toBase64URL">toBase64URL</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Bool.html#t:Bool">Bool</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> ()</li><li class="src short"><a href="#v:toBase64OpenBSD">toBase64OpenBSD</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> ()</li><li class="src short"><a href="#v:unBase64Length">unBase64Length</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> (<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a>)</li><li class="src short"><a href="#v:unBase64LengthUnpadded">unBase64LengthUnpadded</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a></li><li class="src short"><a href="#v:fromBase64">fromBase64</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> (<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a>)</li><li class="src short"><a href="#v:fromBase64URLUnpadded">fromBase64URLUnpadded</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> (<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a>)</li><li class="src short"><a href="#v:fromBase64OpenBSD">fromBase64OpenBSD</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> (<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a>)</li></ul></div><div id="interface"><h1>Documentation</h1><div class="top"><p class="src"><a name="v:toBase64" class="def">toBase64</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> () <a href="src/Data-Memory-Encoding-Base64.html#toBase64" class="link">Source</a></p><div class="doc"><p>Transform a number of bytes pointed by <code>src</code> to base64 binary representation in <code>dst</code></p><p>The destination memory need to be of correct size, otherwise it will lead
to really bad things.</p></div></div><div class="top"><p class="src"><a name="v:toBase64URL" class="def">toBase64URL</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Bool.html#t:Bool">Bool</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> () <a href="src/Data-Memory-Encoding-Base64.html#toBase64URL" class="link">Source</a></p><div class="doc"><p>Transform a number of bytes pointed by <code>src</code> to, URL-safe base64 binary
representation in <code>dst</code>. The result will be either padded or unpadded,
depending on the boolean <code>padded</code> argument.</p><p>The destination memory need to be of correct size, otherwise it will lead
to really bad things.</p></div></div><div class="top"><p class="src"><a name="v:toBase64OpenBSD" class="def">toBase64OpenBSD</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> () <a href="src/Data-Memory-Encoding-Base64.html#toBase64OpenBSD" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:unBase64Length" class="def">unBase64Length</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> (<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a>) <a href="src/Data-Memory-Encoding-Base64.html#unBase64Length" class="link">Source</a></p><div class="doc"><p>Get the length needed for the destination buffer for a base64 decoding.</p><p>if the length is not a multiple of 4, Nothing is returned</p></div></div><div class="top"><p class="src"><a name="v:unBase64LengthUnpadded" class="def">unBase64LengthUnpadded</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> <a href="src/Data-Memory-Encoding-Base64.html#unBase64LengthUnpadded" class="link">Source</a></p><div class="doc"><p>Get the length needed for the destination buffer for an
<a href="http://tools.ietf.org/html/rfc4648#section-3.2">unpadded</a> base64 decoding.</p><p>If the length of the encoded string is a multiple of 4, plus one, Nothing is
returned. Any other value can be valid without padding.</p></div></div><div class="top"><p class="src"><a name="v:fromBase64" class="def">fromBase64</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> (<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a>) <a href="src/Data-Memory-Encoding-Base64.html#fromBase64" class="link">Source</a></p><div class="doc"><p>convert from base64 in <code>src</code> to binary in <code>dst</code>, using the number of bytes specified</p><p>the user should use unBase64Length to compute the correct length, or check that
the length specification is proper. no check is done here.</p></div></div><div class="top"><p class="src"><a name="v:fromBase64URLUnpadded" class="def">fromBase64URLUnpadded</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> (<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a>) <a href="src/Data-Memory-Encoding-Base64.html#fromBase64URLUnpadded" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:fromBase64OpenBSD" class="def">fromBase64OpenBSD</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Foreign-Ptr.html#t:Ptr">Ptr</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Word.html#t:Word8">Word8</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a> -> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/System-IO.html#t:IO">IO</a> (<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.8.2.0/Data-Int.html#t:Int">Int</a>) <a href="src/Data-Memory-Encoding-Base64.html#fromBase64OpenBSD" class="link">Source</a></p></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.16.1</p></div></body></html>
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