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<p>Filter options.
<a href="#details">More...</a></p>
<p><code>#include <filter.h></code></p>
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Data Fields</h2></td></tr>
<tr class="memitem:aef1d9709759f39e61db77547b2326929" id="r_aef1d9709759f39e61db77547b2326929"><td class="memItemLeft" align="right" valign="top"><a class="el" href="vli_8h.html#a1dbc0ffc3e72748f64df8f7f71898272">lzma_vli</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#aef1d9709759f39e61db77547b2326929">id</a></td></tr>
<tr class="memdesc:aef1d9709759f39e61db77547b2326929"><td class="mdescLeft"> </td><td class="mdescRight">Filter ID. <br /></td></tr>
<tr class="memitem:a10dfbaa1601793657d12320bef933ee6" id="r_a10dfbaa1601793657d12320bef933ee6"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="#a10dfbaa1601793657d12320bef933ee6">options</a></td></tr>
<tr class="memdesc:a10dfbaa1601793657d12320bef933ee6"><td class="mdescLeft"> </td><td class="mdescRight">Pointer to filter-specific options structure. <br /></td></tr>
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<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Filter options. </p>
<p>This structure is used to pass a Filter ID and a pointer to the filter's options to liblzma. A few functions work with a single <a class="el" href="structlzma__filter.html" title="Filter options.">lzma_filter</a> structure, while most functions expect a filter chain.</p>
<p>A filter chain is indicated with an array of <a class="el" href="structlzma__filter.html" title="Filter options.">lzma_filter</a> structures. The array is terminated with .id = LZMA_VLI_UNKNOWN. Thus, the filter array must have LZMA_FILTERS_MAX + 1 elements (that is, five) to be able to hold any arbitrary filter chain. This is important when using <a class="el" href="block_8h.html#a7f5487c21a7b36a8bd17be36074d43c9" title="Decode Block Header.">lzma_block_header_decode()</a> from <a class="el" href="block_8h.html" title=".xz Block handling">block.h</a>, because a filter array that is too small would make liblzma write past the end of the array. </p>
</div><a name="doc-variable-members" id="doc-variable-members"></a><h2 id="header-doc-variable-members" class="groupheader">Field Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aef1d9709759f39e61db77547b2326929">◆ </a></span>id</h2>
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<td class="memname"><a class="el" href="vli_8h.html#a1dbc0ffc3e72748f64df8f7f71898272">lzma_vli</a> lzma_filter::id</td>
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<p>Filter ID. </p>
<p>Use constants whose name begin with 'LZMA_FILTER_' to specify different filters. In an array of <a class="el" href="structlzma__filter.html" title="Filter options.">lzma_filter</a> structures, use LZMA_VLI_UNKNOWN to indicate end of filters.</p>
<dl class="section note"><dt>Note</dt><dd>This is not an enum, because on some systems enums cannot be 64-bit. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a10dfbaa1601793657d12320bef933ee6">◆ </a></span>options</h2>
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<td class="memname">void* lzma_filter::options</td>
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<p>Pointer to filter-specific options structure. </p>
<p>If the filter doesn't need options, set this to NULL. If id is set to LZMA_VLI_UNKNOWN, options is ignored, and thus doesn't need be initialized. </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>lzma/<a class="el" href="filter_8h.html">filter.h</a></li>
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