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<pre><a name="line-1"></a><span class='hs-comment'>-- |</span>
<a name="line-2"></a><span class='hs-comment'>-- Module : Data.ByteArray.ScrubbedBytes</span>
<a name="line-3"></a><span class='hs-comment'>-- License : BSD-style</span>
<a name="line-4"></a><span class='hs-comment'>-- Maintainer : Vincent Hanquez <vincent@snarc.org></span>
<a name="line-5"></a><span class='hs-comment'>-- Stability : Stable</span>
<a name="line-6"></a><span class='hs-comment'>-- Portability : GHC</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>{-# LANGUAGE BangPatterns #-}</span>
<a name="line-9"></a><span class='hs-comment'>{-# LANGUAGE MagicHash #-}</span>
<a name="line-10"></a><span class='hs-comment'>{-# LANGUAGE UnboxedTuples #-}</span>
<a name="line-11"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-12"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteArray</span><span class='hs-varop'>.</span><span class='hs-conid'>ScrubbedBytes</span>
<a name="line-13"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>ScrubbedBytes</span>
<a name="line-14"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>
<a name="line-17"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>Prim</span>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>Ptr</span>
<a name="line-19"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Monoid</span>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Memory</span><span class='hs-varop'>.</span><span class='hs-conid'>PtrMethods</span> <span class='hs-layout'>(</span><span class='hs-varid'>memCopy</span><span class='hs-layout'>,</span> <span class='hs-varid'>memConstEqual</span><span class='hs-layout'>)</span>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Memory</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>CompatPrim</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Memory</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>Compat</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeDoIO</span><span class='hs-layout'>)</span>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Memory</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>Imports</span>
<a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Memory</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>Scrubber</span> <span class='hs-layout'>(</span><span class='hs-varid'>getScrubber</span><span class='hs-layout'>)</span>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteArray</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>
<a name="line-26"></a>
<a name="line-27"></a><a name="ScrubbedBytes"></a><span class='hs-comment'>-- | ScrubbedBytes is a memory chunk which have the properties of:</span>
<a name="line-28"></a><a name="ScrubbedBytes"></a><span class='hs-comment'>--</span>
<a name="line-29"></a><a name="ScrubbedBytes"></a><span class='hs-comment'>-- * Being scrubbed after its goes out of scope.</span>
<a name="line-30"></a><a name="ScrubbedBytes"></a><span class='hs-comment'>--</span>
<a name="line-31"></a><a name="ScrubbedBytes"></a><span class='hs-comment'>-- * A Show instance that doesn't actually show any content</span>
<a name="line-32"></a><a name="ScrubbedBytes"></a><span class='hs-comment'>--</span>
<a name="line-33"></a><a name="ScrubbedBytes"></a><span class='hs-comment'>-- * A Eq instance that is constant time</span>
<a name="line-34"></a><a name="ScrubbedBytes"></a><span class='hs-comment'>--</span>
<a name="line-35"></a><a name="ScrubbedBytes"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-layout'>(</span><span class='hs-conid'>MutableByteArray</span><span class='hs-cpp'>#</span> <span class='hs-conid'>RealWorld</span><span class='hs-layout'>)</span>
<a name="line-36"></a>
<a name="line-37"></a><a name="instance%20Show%20ScrubbedBytes"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyword'>where</span>
<a name="line-38"></a> <span class='hs-varid'>show</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"<scrubbed-bytes>"</span>
<a name="line-39"></a>
<a name="line-40"></a><a name="instance%20Eq%20ScrubbedBytes"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Eq</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyword'>where</span>
<a name="line-41"></a> <span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>scrubbedBytesEq</span>
<a name="line-42"></a><a name="instance%20Ord%20ScrubbedBytes"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Ord</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyword'>where</span>
<a name="line-43"></a> <span class='hs-varid'>compare</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>scrubbedBytesCompare</span>
<a name="line-44"></a><a name="instance%20Monoid%20ScrubbedBytes"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Monoid</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyword'>where</span>
<a name="line-45"></a> <span class='hs-varid'>mempty</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeDoIO</span> <span class='hs-layout'>(</span><span class='hs-varid'>newScrubbedBytes</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span>
<a name="line-46"></a> <span class='hs-varid'>mappend</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>b2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeDoIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>scrubbedBytesAppend</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>b2</span>
<a name="line-47"></a> <span class='hs-varid'>mconcat</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeDoIO</span> <span class='hs-varop'>.</span> <span class='hs-varid'>scrubbedBytesConcat</span>
<a name="line-48"></a><a name="instance%20NFData%20ScrubbedBytes"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>NFData</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyword'>where</span>
<a name="line-49"></a> <span class='hs-varid'>rnf</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b</span> <span class='hs-varop'>`seq`</span> <span class='hs-conid'>()</span>
<a name="line-50"></a>
<a name="line-51"></a><a name="instance%20ByteArrayAccess%20ScrubbedBytes"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ByteArrayAccess</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyword'>where</span>
<a name="line-52"></a> <span class='hs-varid'>length</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sizeofScrubbedBytes</span>
<a name="line-53"></a> <span class='hs-varid'>withByteArray</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withPtr</span>
<a name="line-54"></a>
<a name="line-55"></a><a name="instance%20ByteArray%20ScrubbedBytes"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ByteArray</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyword'>where</span>
<a name="line-56"></a> <span class='hs-varid'>allocRet</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>scrubbedBytesAllocRet</span>
<a name="line-57"></a>
<a name="line-58"></a><a name="newScrubbedBytes"></a><span class='hs-definition'>newScrubbedBytes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>ScrubbedBytes</span>
<a name="line-59"></a><span class='hs-definition'>newScrubbedBytes</span> <span class='hs-layout'>(</span><span class='hs-conid'>I</span><span class='hs-cpp'>#</span> <span class='hs-varid'>sz</span><span class='hs-layout'>)</span>
<a name="line-60"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>booleanPrim</span> <span class='hs-layout'>(</span><span class='hs-varid'>sz</span> <span class='hs-varop'><#</span> <span class='hs-num'>0</span><span class='hs-cpp'>#</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"ScrubbedBytes: size must be >= 0"</span>
<a name="line-61"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>booleanPrim</span> <span class='hs-layout'>(</span><span class='hs-varid'>sz</span> <span class='hs-varop'>==#</span> <span class='hs-num'>0</span><span class='hs-cpp'>#</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IO</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span>
<a name="line-62"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>newAlignedPinnedByteArray</span><span class='hs-cpp'>#</span> <span class='hs-num'>0</span><span class='hs-cpp'>#</span> <span class='hs-num'>8</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-63"></a> <span class='hs-layout'>(</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s2</span><span class='hs-layout'>,</span> <span class='hs-varid'>mba</span> <span class='hs-cpp'>#</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s2</span><span class='hs-layout'>,</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-varid'>mba</span> <span class='hs-cpp'>#</span><span class='hs-layout'>)</span>
<a name="line-64"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IO</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span>
<a name="line-65"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>newAlignedPinnedByteArray</span><span class='hs-cpp'>#</span> <span class='hs-varid'>sz</span> <span class='hs-num'>8</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-66"></a> <span class='hs-layout'>(</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s1</span><span class='hs-layout'>,</span> <span class='hs-varid'>mbarr</span> <span class='hs-cpp'>#</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-67"></a> <span class='hs-keyword'>let</span> <span class='hs-varop'>!</span><span class='hs-varid'>scrubber</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getScrubber</span> <span class='hs-varid'>sz</span>
<a name="line-68"></a> <span class='hs-varop'>!</span><span class='hs-varid'>mba</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-varid'>mbarr</span>
<a name="line-69"></a> <span class='hs-keyword'>in</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>mkWeak</span><span class='hs-cpp'>#</span> <span class='hs-varid'>mbarr</span> <span class='hs-conid'>()</span> <span class='hs-layout'>(</span><span class='hs-varid'>scrubber</span> <span class='hs-layout'>(</span><span class='hs-varid'>byteArrayContents</span><span class='hs-cpp'>#</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeCoerce</span><span class='hs-cpp'>#</span> <span class='hs-varid'>mbarr</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>>></span> <span class='hs-varid'>touchScrubbedBytes</span> <span class='hs-varid'>mba</span><span class='hs-layout'>)</span> <span class='hs-varid'>s1</span> <span class='hs-keyword'>of</span>
<a name="line-70"></a> <span class='hs-layout'>(</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s2</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span> <span class='hs-cpp'>#</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s2</span><span class='hs-layout'>,</span> <span class='hs-varid'>mba</span> <span class='hs-cpp'>#</span><span class='hs-layout'>)</span>
<a name="line-71"></a>
<a name="line-72"></a><a name="scrubbedBytesAllocRet"></a><span class='hs-definition'>scrubbedBytesAllocRet</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>ScrubbedBytes</span><span class='hs-layout'>)</span>
<a name="line-73"></a><span class='hs-definition'>scrubbedBytesAllocRet</span> <span class='hs-varid'>sz</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-74"></a> <span class='hs-varid'>ba</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newScrubbedBytes</span> <span class='hs-varid'>sz</span>
<a name="line-75"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>withPtr</span> <span class='hs-varid'>ba</span> <span class='hs-varid'>f</span>
<a name="line-76"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>r</span><span class='hs-layout'>,</span> <span class='hs-varid'>ba</span><span class='hs-layout'>)</span>
<a name="line-77"></a>
<a name="line-78"></a><a name="scrubbedBytesAlloc"></a><span class='hs-definition'>scrubbedBytesAlloc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>ScrubbedBytes</span>
<a name="line-79"></a><span class='hs-definition'>scrubbedBytesAlloc</span> <span class='hs-varid'>sz</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-80"></a> <span class='hs-varid'>ba</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newScrubbedBytes</span> <span class='hs-varid'>sz</span>
<a name="line-81"></a> <span class='hs-varid'>withPtr</span> <span class='hs-varid'>ba</span> <span class='hs-varid'>f</span>
<a name="line-82"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>ba</span>
<a name="line-83"></a>
<a name="line-84"></a><a name="scrubbedBytesConcat"></a><span class='hs-definition'>scrubbedBytesConcat</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>ScrubbedBytes</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>ScrubbedBytes</span>
<a name="line-85"></a><span class='hs-definition'>scrubbedBytesConcat</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>scrubbedBytesAlloc</span> <span class='hs-varid'>retLen</span> <span class='hs-layout'>(</span><span class='hs-varid'>copy</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span>
<a name="line-86"></a> <span class='hs-keyword'>where</span>
<a name="line-87"></a> <span class='hs-varid'>retLen</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sum</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-varid'>sizeofScrubbedBytes</span> <span class='hs-varid'>l</span>
<a name="line-88"></a>
<a name="line-89"></a> <span class='hs-varid'>copy</span> <span class='hs-conid'>[]</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-90"></a> <span class='hs-varid'>copy</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>dst</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-91"></a> <span class='hs-varid'>withPtr</span> <span class='hs-varid'>x</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>src</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>memCopy</span> <span class='hs-varid'>dst</span> <span class='hs-varid'>src</span> <span class='hs-varid'>chunkLen</span>
<a name="line-92"></a> <span class='hs-varid'>copy</span> <span class='hs-varid'>xs</span> <span class='hs-layout'>(</span><span class='hs-varid'>dst</span> <span class='hs-varop'>`plusPtr`</span> <span class='hs-varid'>chunkLen</span><span class='hs-layout'>)</span>
<a name="line-93"></a> <span class='hs-keyword'>where</span>
<a name="line-94"></a> <span class='hs-varid'>chunkLen</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sizeofScrubbedBytes</span> <span class='hs-varid'>x</span>
<a name="line-95"></a>
<a name="line-96"></a><a name="scrubbedBytesAppend"></a><span class='hs-definition'>scrubbedBytesAppend</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>ScrubbedBytes</span>
<a name="line-97"></a><span class='hs-definition'>scrubbedBytesAppend</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>b2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>scrubbedBytesAlloc</span> <span class='hs-varid'>retLen</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>dst</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-98"></a> <span class='hs-varid'>withPtr</span> <span class='hs-varid'>b1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>memCopy</span> <span class='hs-varid'>dst</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>len1</span>
<a name="line-99"></a> <span class='hs-varid'>withPtr</span> <span class='hs-varid'>b2</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s2</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>memCopy</span> <span class='hs-layout'>(</span><span class='hs-varid'>dst</span> <span class='hs-varop'>`plusPtr`</span> <span class='hs-varid'>len1</span><span class='hs-layout'>)</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>len2</span>
<a name="line-100"></a> <span class='hs-keyword'>where</span>
<a name="line-101"></a> <span class='hs-varid'>len1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sizeofScrubbedBytes</span> <span class='hs-varid'>b1</span>
<a name="line-102"></a> <span class='hs-varid'>len2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sizeofScrubbedBytes</span> <span class='hs-varid'>b2</span>
<a name="line-103"></a> <span class='hs-varid'>retLen</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>len1</span> <span class='hs-varop'>+</span> <span class='hs-varid'>len2</span>
<a name="line-104"></a>
<a name="line-105"></a>
<a name="line-106"></a><a name="sizeofScrubbedBytes"></a><span class='hs-definition'>sizeofScrubbedBytes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span>
<a name="line-107"></a><span class='hs-definition'>sizeofScrubbedBytes</span> <span class='hs-layout'>(</span><span class='hs-conid'>ScrubbedBytes</span> <span class='hs-varid'>mba</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>I</span><span class='hs-cpp'>#</span> <span class='hs-layout'>(</span><span class='hs-varid'>sizeofMutableByteArray</span><span class='hs-cpp'>#</span> <span class='hs-varid'>mba</span><span class='hs-layout'>)</span>
<a name="line-108"></a>
<a name="line-109"></a><a name="withPtr"></a><span class='hs-definition'>withPtr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-110"></a><span class='hs-definition'>withPtr</span> <span class='hs-varid'>b</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>ScrubbedBytes</span> <span class='hs-varid'>mba</span><span class='hs-layout'>)</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-111"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span><span class='hs-varid'>byteArrayContents</span><span class='hs-cpp'>#</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeCoerce</span><span class='hs-cpp'>#</span> <span class='hs-varid'>mba</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-112"></a> <span class='hs-varid'>touchScrubbedBytes</span> <span class='hs-varid'>b</span>
<a name="line-113"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>a</span>
<a name="line-114"></a>
<a name="line-115"></a><a name="touchScrubbedBytes"></a><span class='hs-definition'>touchScrubbedBytes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-116"></a><span class='hs-definition'>touchScrubbedBytes</span> <span class='hs-layout'>(</span><span class='hs-conid'>ScrubbedBytes</span> <span class='hs-varid'>mba</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IO</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>touch</span><span class='hs-cpp'>#</span> <span class='hs-varid'>mba</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span> <span class='hs-varid'>s'</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s'</span><span class='hs-layout'>,</span> <span class='hs-conid'>()</span> <span class='hs-cpp'>#</span><span class='hs-layout'>)</span>
<a name="line-117"></a>
<a name="line-118"></a><a name="scrubbedBytesEq"></a><span class='hs-definition'>scrubbedBytesEq</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-119"></a><span class='hs-definition'>scrubbedBytesEq</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span>
<a name="line-120"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>l1</span> <span class='hs-varop'>/=</span> <span class='hs-varid'>l2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-121"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeDoIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>withPtr</span> <span class='hs-varid'>a</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>withPtr</span> <span class='hs-varid'>b</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p2</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>memConstEqual</span> <span class='hs-varid'>p1</span> <span class='hs-varid'>p2</span> <span class='hs-varid'>l1</span>
<a name="line-122"></a> <span class='hs-keyword'>where</span>
<a name="line-123"></a> <span class='hs-varid'>l1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sizeofScrubbedBytes</span> <span class='hs-varid'>a</span>
<a name="line-124"></a> <span class='hs-varid'>l2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sizeofScrubbedBytes</span> <span class='hs-varid'>b</span>
<a name="line-125"></a>
<a name="line-126"></a><a name="scrubbedBytesCompare"></a><span class='hs-definition'>scrubbedBytesCompare</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ScrubbedBytes</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ordering</span>
<a name="line-127"></a><span class='hs-definition'>scrubbedBytesCompare</span> <span class='hs-varid'>b1</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>ScrubbedBytes</span> <span class='hs-varid'>m1</span><span class='hs-layout'>)</span> <span class='hs-varid'>b2</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>ScrubbedBytes</span> <span class='hs-varid'>m2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeDoIO</span> <span class='hs-varop'>$</span> <span class='hs-conid'>IO</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>loop</span> <span class='hs-num'>0</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s</span>
<a name="line-128"></a> <span class='hs-keyword'>where</span>
<a name="line-129"></a> <span class='hs-varop'>!</span><span class='hs-varid'>l1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sizeofScrubbedBytes</span> <span class='hs-varid'>b1</span>
<a name="line-130"></a> <span class='hs-varop'>!</span><span class='hs-varid'>l2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sizeofScrubbedBytes</span> <span class='hs-varid'>b2</span>
<a name="line-131"></a> <span class='hs-varop'>!</span><span class='hs-layout'>(</span><span class='hs-conid'>I</span><span class='hs-cpp'>#</span> <span class='hs-varid'>len</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>min</span> <span class='hs-varid'>l1</span> <span class='hs-varid'>l2</span>
<a name="line-132"></a>
<a name="line-133"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>i</span> <span class='hs-varid'>s1</span>
<a name="line-134"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>booleanPrim</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-varop'>==#</span> <span class='hs-varid'>len</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-135"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>l1</span> <span class='hs-varop'>==</span> <span class='hs-varid'>l2</span>
<a name="line-136"></a> <span class='hs-keyword'>then</span> <span class='hs-layout'>(</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s1</span><span class='hs-layout'>,</span> <span class='hs-conid'>EQ</span> <span class='hs-cpp'>#</span><span class='hs-layout'>)</span>
<a name="line-137"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>l1</span> <span class='hs-varop'>></span> <span class='hs-varid'>l2</span> <span class='hs-keyword'>then</span> <span class='hs-layout'>(</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s1</span><span class='hs-layout'>,</span> <span class='hs-conid'>GT</span> <span class='hs-cpp'>#</span><span class='hs-layout'>)</span>
<a name="line-138"></a> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s1</span><span class='hs-layout'>,</span> <span class='hs-conid'>LT</span> <span class='hs-cpp'>#</span><span class='hs-layout'>)</span>
<a name="line-139"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span>
<a name="line-140"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>readWord8Array</span><span class='hs-cpp'>#</span> <span class='hs-varid'>m1</span> <span class='hs-varid'>i</span> <span class='hs-varid'>s1</span> <span class='hs-keyword'>of</span>
<a name="line-141"></a> <span class='hs-layout'>(</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s2</span><span class='hs-layout'>,</span> <span class='hs-varid'>e1</span> <span class='hs-cpp'>#</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>readWord8Array</span><span class='hs-cpp'>#</span> <span class='hs-varid'>m2</span> <span class='hs-varid'>i</span> <span class='hs-varid'>s2</span> <span class='hs-keyword'>of</span>
<a name="line-142"></a> <span class='hs-layout'>(</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s3</span><span class='hs-layout'>,</span> <span class='hs-varid'>e2</span> <span class='hs-cpp'>#</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-143"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>booleanPrim</span> <span class='hs-layout'>(</span><span class='hs-varid'>eqWord</span><span class='hs-cpp'>#</span> <span class='hs-varid'>e1</span> <span class='hs-varid'>e2</span><span class='hs-layout'>)</span>
<a name="line-144"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-varop'>+#</span> <span class='hs-num'>1</span><span class='hs-cpp'>#</span><span class='hs-layout'>)</span> <span class='hs-varid'>s3</span>
<a name="line-145"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>booleanPrim</span> <span class='hs-layout'>(</span><span class='hs-varid'>ltWord</span><span class='hs-cpp'>#</span> <span class='hs-varid'>e1</span> <span class='hs-varid'>e2</span><span class='hs-layout'>)</span> <span class='hs-keyword'>then</span> <span class='hs-layout'>(</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s3</span><span class='hs-layout'>,</span> <span class='hs-conid'>LT</span> <span class='hs-cpp'>#</span><span class='hs-layout'>)</span>
<a name="line-146"></a> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-cpp'>#</span> <span class='hs-varid'>s3</span><span class='hs-layout'>,</span> <span class='hs-conid'>GT</span> <span class='hs-cpp'>#</span><span class='hs-layout'>)</span>
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