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BZip2Error Enumeration Reference
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<article class="main-content">
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<h1>BZip2Error</h1>
<div class="declaration">
<div class="language">
<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">enum</span> <span class="kt">BZip2Error</span> <span class="p">:</span> <span class="kt">Error</span></code></pre>
</div>
</div>
<p>Represents an error which happened during BZip2 decompression.
It may indicate that either data is damaged or it might not be compressed with BZip2 at all.</p>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/BZip2/BZip2Error.swift#L12-L44">Show on GitHub</a>
</div>
</div>
</section>
<section class="section">
<div class="section-content">
<div class="task-group">
<ul class="item-container">
<li class="item">
<div>
<code>
<a name="/s:13SWCompression10BZip2ErrorO10wrongMagicyA2CmF"></a>
<a name="//apple_ref/swift/Element/wrongMagic" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression10BZip2ErrorO10wrongMagicyA2CmF">wrongMagic</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>&lsquo;Magic&rsquo; number is not 0x425a.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">wrongMagic</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/BZip2/BZip2Error.swift#L14">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:13SWCompression10BZip2ErrorO12wrongVersionyA2CmF"></a>
<a name="//apple_ref/swift/Element/wrongVersion" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression10BZip2ErrorO12wrongVersionyA2CmF">wrongVersion</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>BZip version is not 2.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">wrongVersion</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/BZip2/BZip2Error.swift#L16">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:13SWCompression10BZip2ErrorO14wrongBlockSizeyA2CmF"></a>
<a name="//apple_ref/swift/Element/wrongBlockSize" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression10BZip2ErrorO14wrongBlockSizeyA2CmF">wrongBlockSize</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Unsupported block size (not from &lsquo;0&rsquo; to &lsquo;9&rsquo;).</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">wrongBlockSize</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/BZip2/BZip2Error.swift#L18">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:13SWCompression10BZip2ErrorO14wrongBlockTypeyA2CmF"></a>
<a name="//apple_ref/swift/Element/wrongBlockType" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression10BZip2ErrorO14wrongBlockTypeyA2CmF">wrongBlockType</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Unsupported block type (is neither &lsquo;pi&rsquo; nor &lsquo;sqrt(pi)&rsquo;).</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">wrongBlockType</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/BZip2/BZip2Error.swift#L20">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:13SWCompression10BZip2ErrorO15randomizedBlockyA2CmF"></a>
<a name="//apple_ref/swift/Element/randomizedBlock" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression10BZip2ErrorO15randomizedBlockyA2CmF">randomizedBlock</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Block is randomized.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">randomizedBlock</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/BZip2/BZip2Error.swift#L22">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:13SWCompression10BZip2ErrorO18wrongHuffmanGroupsyA2CmF"></a>
<a name="//apple_ref/swift/Element/wrongHuffmanGroups" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression10BZip2ErrorO18wrongHuffmanGroupsyA2CmF">wrongHuffmanGroups</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Wrong number of Huffman tables/groups (should be between 2 and 6).</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">wrongHuffmanGroups</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/BZip2/BZip2Error.swift#L24">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:13SWCompression10BZip2ErrorO13wrongSelectoryA2CmF"></a>
<a name="//apple_ref/swift/Element/wrongSelector" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression10BZip2ErrorO13wrongSelectoryA2CmF">wrongSelector</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Selector is greater than the total number of Huffman tables/groups.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">wrongSelector</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/BZip2/BZip2Error.swift#L26">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:13SWCompression10BZip2ErrorO22wrongHuffmanCodeLengthyA2CmF"></a>
<a name="//apple_ref/swift/Element/wrongHuffmanCodeLength" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression10BZip2ErrorO22wrongHuffmanCodeLengthyA2CmF">wrongHuffmanCodeLength</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Wrong length of Huffman code (should be between 0 and 20).</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">wrongHuffmanCodeLength</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/BZip2/BZip2Error.swift#L28">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:13SWCompression10BZip2ErrorO14symbolNotFoundyA2CmF"></a>
<a name="//apple_ref/swift/Element/symbolNotFound" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression10BZip2ErrorO14symbolNotFoundyA2CmF">symbolNotFound</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Symbol wasn&rsquo;t found in Huffman tree.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="n">symbolNotFound</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/BZip2/BZip2Error.swift#L30">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:13SWCompression10BZip2ErrorO8wrongCRCyAC10Foundation4DataVcACmF"></a>
<a name="//apple_ref/swift/Element/wrongCRC(_:)" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression10BZip2ErrorO8wrongCRCyAC10Foundation4DataVcACmF">wrongCRC(_:<wbr>)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Computed checksum of the uncompressed data does not match the value stored in the archive.
Associated value contains the data that were successfully decompressed up to the point where the mismatch was
detected.</p>
<ul>
<li><p>When using <code><a href="../Classes/BZip2.html#/s:13SWCompression5BZip2C10decompress4data10Foundation4DataVAH_tKFZ">BZip2.decompress(data:)</a></code>: The associated value comes from a single BZip2 archive. If the mismatch
happens at the final checksum verification, this is usually the entire decompressed output.</p></li>
<li><p>When using <code><a href="../Classes/BZip2.html#/s:13SWCompression5BZip2C15multiDecompress4dataSay10Foundation4DataVGAH_tKFZ">BZip2.multiDecompress(data:)</a></code>: The input may contain several concatenated BZip2 archives. The error
is thrown for the current archive that fails the checksum. The associated value contains only the data decompressed
for that archive. Results from earlier archives are not included and are not returned once this error is thrown.</p></li>
</ul>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="k">case</span> <span class="nf">wrongCRC</span><span class="p">(</span><span class="kt">Data</span><span class="p">)</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/BZip2/BZip2Error.swift#L43">Show on GitHub</a>
</div>
</section>
</div>
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