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Timofey Solomko
397 lines
18 KiB
HTML
397 lines
18 KiB
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SWCompression Docs
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GzipError Enum Reference
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<a class="nav-group-task-link" href="../Protocols/DecompressionAlgorithm.html">DecompressionAlgorithm</a>
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<a class="nav-group-task-link" href="../Structs/GzipHeader.html">GzipHeader</a>
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<a class="nav-group-task-link" href="../Structs/GzipHeader/CompressionMethod.html">– CompressionMethod</a>
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<a class="nav-group-task-link" href="../Structs/GzipHeader/FileSystemType.html">– FileSystemType</a>
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<a class="nav-group-task-link" href="../Structs/ZlibHeader/CompressionMethod.html">– CompressionMethod</a>
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<a class="nav-group-task-link" href="../Structs/ZlibHeader/CompressionLevel.html">– CompressionLevel</a>
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<article class="main-content">
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<section class="section">
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<div class="section-content">
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<h1>GzipError</h1>
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<div class="declaration">
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<div class="language">
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<pre class="highlight"><code><span class="kd">public</span> <span class="kd">enum</span> <span class="kt">GzipError</span><span class="p">:</span> <span class="kt">Error</span></code></pre>
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</div>
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</div>
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<p>Error happened during unarchiving gzip archive.
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It may indicate that either the data is damaged or it might not be gzip archive at all.</p>
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<ul>
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<li><code>WrongMagic</code>: first two bytes of archive were not 31 and 139.</li>
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<li><code>WrongCompressionMethod</code>: unsupported compression method (not 8 aka Deflate).</li>
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<li><code>WrongFlags</code>: unsupported flags (reserved flags weren’t 0).</li>
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<li><code>WrongHeaderCRC</code>: computed Cyclic Redundancy Check of archive’s header
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didn’t match the archive’s value.</li>
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<li><code>WrongCRC</code>: computed Cyclic Redundancy Check of uncompressed data didn’t match the archive’s value.
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Associated value contains already decompressed data.</li>
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<li><code>WrongISize</code>: size of uncompressed data modulo 2^32 didn’t match the archive’s value.</li>
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</ul>
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</div>
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</section>
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<section class="section">
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<li class="item">
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<div>
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<code>
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<a name="/s:FO13SWCompression9GzipError10WrongMagicFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/WrongMagic" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression9GzipError10WrongMagicFMS0_S0_">WrongMagic</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>First two bytes of archive were not 31 and 139.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="k">case</span> <span class="kt">WrongMagic</span></code></pre>
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</div>
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</div>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/v2.4.0/Sources/GzipArchive.swift#L26">Show on GitHub</a>
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</div>
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</section>
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</div>
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</li>
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</ul>
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</div>
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<div class="task-group">
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<ul class="item-container">
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<li class="item">
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<div>
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<code>
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<a name="/s:FO13SWCompression9GzipError22WrongCompressionMethodFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/WrongCompressionMethod" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression9GzipError22WrongCompressionMethodFMS0_S0_">WrongCompressionMethod</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Compression method was other than 8 which is the only supported one.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="k">case</span> <span class="kt">WrongCompressionMethod</span></code></pre>
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</div>
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</div>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/v2.4.0/Sources/GzipArchive.swift#L28">Show on GitHub</a>
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</div>
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</section>
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</li>
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</ul>
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<ul class="item-container">
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<div>
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<code>
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<a name="/s:FO13SWCompression9GzipError10WrongFlagsFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/WrongFlags" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression9GzipError10WrongFlagsFMS0_S0_">WrongFlags</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Reserved flags bits were not equal to 0.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="k">case</span> <span class="kt">WrongFlags</span></code></pre>
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</div>
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</div>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/v2.4.0/Sources/GzipArchive.swift#L30">Show on GitHub</a>
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</div>
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</section>
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</div>
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</li>
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</ul>
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<div class="task-group">
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<ul class="item-container">
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<li class="item">
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<div>
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<code>
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<a name="/s:FO13SWCompression9GzipError14WrongHeaderCRCFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/WrongHeaderCRC" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression9GzipError14WrongHeaderCRCFMS0_S0_">WrongHeaderCRC</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Computed CRC of header didn’t match the value stored in the archive.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="k">case</span> <span class="kt">WrongHeaderCRC</span></code></pre>
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</div>
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</div>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/v2.4.0/Sources/GzipArchive.swift#L32">Show on GitHub</a>
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</div>
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</section>
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</div>
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</li>
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</ul>
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</div>
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<div class="task-group">
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<ul class="item-container">
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<li class="item">
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<div>
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<code>
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<a name="/s:FO13SWCompression9GzipError8WrongCRCFMS0_FV10Foundation4DataS0_"></a>
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<a name="//apple_ref/swift/Element/WrongCRC" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression9GzipError8WrongCRCFMS0_FV10Foundation4DataS0_">WrongCRC</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Computed CRC of uncompressed data didn’t match the value stored in the archive.
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Associated value contains already decompressed data.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="k">case</span> <span class="kt">WrongCRC</span><span class="p">(</span><span class="kt">Data</span><span class="p">)</span></code></pre>
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</div>
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</div>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/v2.4.0/Sources/GzipArchive.swift#L37">Show on GitHub</a>
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</div>
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</section>
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</div>
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</li>
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</ul>
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</div>
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<div class="task-group">
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<ul class="item-container">
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<li class="item">
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<div>
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<code>
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<a name="/s:FO13SWCompression9GzipError10WrongISizeFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/WrongISize" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression9GzipError10WrongISizeFMS0_S0_">WrongISize</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Computed isize didn’t match the value stored in the archive.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="k">case</span> <span class="kt">WrongISize</span></code></pre>
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</div>
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</div>
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||
<div class="slightly-smaller">
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||
<a href="https://github.com/tsolomko/SWCompression/tree/v2.4.0/Sources/GzipArchive.swift#L39">Show on GitHub</a>
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||
</div>
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||
</section>
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||
</div>
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</li>
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</ul>
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</div>
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</div>
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</section>
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</article>
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</div>
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<section class="footer">
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<p>© 2017 Timofey Solomko</p>
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<p>Generated by <a class="link" href="https://github.com/realm/jazzy" target="_blank" rel="external">jazzy ♪♫ v0.8.0</a>, a <a class="link" href="http://realm.io" target="_blank" rel="external">Realm</a> project.</p>
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