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<div id="projectname">libaaruformat<span id="projectnumber">&#160;1.0</span>
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<div id="projectbrief">Aaru Data Preservation Suite - Format Library</div>
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<div class="headertitle"><div class="title">GeometryBlockHeader Struct Reference</div></div>
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<p>Legacy CHS style logical geometry metadata (BlockType::GeometryBlock).
<a href="#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="data_8h_source.html">aaruformat/structs/data.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pub-attribs" class="groupheader"><a id="pub-attribs" name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr class="memitem:a233b19be8361b1c3c1963d8521924138" id="r_a233b19be8361b1c3c1963d8521924138"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a233b19be8361b1c3c1963d8521924138">identifier</a></td></tr>
<tr class="memdesc:a233b19be8361b1c3c1963d8521924138"><td class="mdescLeft">&#160;</td><td class="mdescRight">Block identifier, must be BlockType::GeometryBlock. <br /></td></tr>
<tr class="memitem:a38855dea9b1773ea7f6b837c973106d9" id="r_a38855dea9b1773ea7f6b837c973106d9"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a38855dea9b1773ea7f6b837c973106d9">cylinders</a></td></tr>
<tr class="memdesc:a38855dea9b1773ea7f6b837c973106d9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Number of cylinders. <br /></td></tr>
<tr class="memitem:a9ed0a8f6307eb38589ef4502cef533ee" id="r_a9ed0a8f6307eb38589ef4502cef533ee"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a9ed0a8f6307eb38589ef4502cef533ee">heads</a></td></tr>
<tr class="memdesc:a9ed0a8f6307eb38589ef4502cef533ee"><td class="mdescLeft">&#160;</td><td class="mdescRight">Number of heads (tracks per cylinder). <br /></td></tr>
<tr class="memitem:aea5822d390ac6b2a3b8b2c6250046cd6" id="r_aea5822d390ac6b2a3b8b2c6250046cd6"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aea5822d390ac6b2a3b8b2c6250046cd6">sectorsPerTrack</a></td></tr>
<tr class="memdesc:aea5822d390ac6b2a3b8b2c6250046cd6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Number of sectors per track. <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>Legacy CHS style logical geometry metadata (BlockType::GeometryBlock). </p>
<p>Total logical sectors implied by this header is cylinders * heads * sectorsPerTrack. Sector size is not included here and must be derived from context (e.g., accompanying metadata or defaulting to 512 for many block devices). </p>
<p class="definition">Definition at line <a class="el" href="data_8h_source.html#l00090">90</a> of file <a class="el" href="data_8h_source.html">data.h</a>.</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="#a38855dea9b1773ea7f6b837c973106d9">&#9670;&#160;</a></span>cylinders</h2>
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<td class="memname">uint32_t GeometryBlockHeader::cylinders</td>
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<p>Number of cylinders. </p>
<p class="definition">Definition at line <a class="el" href="data_8h_source.html#l00093">93</a> of file <a class="el" href="data_8h_source.html">data.h</a>.</p>
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<p class="reference">Referenced by <a class="el" href="metadata_8c_source.html#l00094">aaruf_get_geometry()</a>, <a class="el" href="metadata_8c_source.html#l00230">aaruf_set_geometry()</a>, and <a class="el" href="blocks_2metadata_8c_source.html#l00246">process_geometry_block()</a>.</p>
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<a id="a9ed0a8f6307eb38589ef4502cef533ee" name="a9ed0a8f6307eb38589ef4502cef533ee"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9ed0a8f6307eb38589ef4502cef533ee">&#9670;&#160;</a></span>heads</h2>
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<td class="memname">uint32_t GeometryBlockHeader::heads</td>
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<p>Number of heads (tracks per cylinder). </p>
<p class="definition">Definition at line <a class="el" href="data_8h_source.html#l00094">94</a> of file <a class="el" href="data_8h_source.html">data.h</a>.</p>
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<p class="reference">Referenced by <a class="el" href="metadata_8c_source.html#l00094">aaruf_get_geometry()</a>, <a class="el" href="metadata_8c_source.html#l00230">aaruf_set_geometry()</a>, and <a class="el" href="blocks_2metadata_8c_source.html#l00246">process_geometry_block()</a>.</p>
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<a id="a233b19be8361b1c3c1963d8521924138" name="a233b19be8361b1c3c1963d8521924138"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a233b19be8361b1c3c1963d8521924138">&#9670;&#160;</a></span>identifier</h2>
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<td class="memname">uint32_t GeometryBlockHeader::identifier</td>
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<p>Block identifier, must be BlockType::GeometryBlock. </p>
<p class="definition">Definition at line <a class="el" href="data_8h_source.html#l00092">92</a> of file <a class="el" href="data_8h_source.html">data.h</a>.</p>
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<p class="reference">Referenced by <a class="el" href="metadata_8c_source.html#l00094">aaruf_get_geometry()</a>, <a class="el" href="open_8c_source.html#l00125">aaruf_open()</a>, <a class="el" href="metadata_8c_source.html#l00230">aaruf_set_geometry()</a>, <a class="el" href="blocks_2metadata_8c_source.html#l00246">process_geometry_block()</a>, and <a class="el" href="close_8c_source.html#l03026">write_geometry_block()</a>.</p>
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<a id="aea5822d390ac6b2a3b8b2c6250046cd6" name="aea5822d390ac6b2a3b8b2c6250046cd6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aea5822d390ac6b2a3b8b2c6250046cd6">&#9670;&#160;</a></span>sectorsPerTrack</h2>
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<td class="memname">uint32_t GeometryBlockHeader::sectorsPerTrack</td>
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<p>Number of sectors per track. </p>
<p class="definition">Definition at line <a class="el" href="data_8h_source.html#l00095">95</a> of file <a class="el" href="data_8h_source.html">data.h</a>.</p>
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<p class="reference">Referenced by <a class="el" href="metadata_8c_source.html#l00094">aaruf_get_geometry()</a>, <a class="el" href="metadata_8c_source.html#l00230">aaruf_set_geometry()</a>, and <a class="el" href="blocks_2metadata_8c_source.html#l00246">process_geometry_block()</a>.</p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>include/aaruformat/structs/<a class="el" href="data_8h_source.html">data.h</a></li>
</ul>
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