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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="textblock"><code>#include &lt;stdint.h&gt;</code><br />
<code>#include &lt;uthash.h&gt;</code><br />
</div>
<p><a href="lru_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-nested-classes" class="groupheader"><a id="nested-classes" name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:CacheEntry" id="r_CacheEntry"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structCacheEntry.html">CacheEntry</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Single hash entry in the in-memory cache. <a href="structCacheEntry.html#details">More...</a><br /></td></tr>
<tr class="memitem:CacheHeader" id="r_CacheHeader"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structCacheHeader.html">CacheHeader</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Cache top-level descriptor encapsulating the hash table root and capacity limit. <a href="structCacheHeader.html#details">More...</a><br /></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-func-members" class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ac7008173fc7e392fa825c69410920f0a" id="r_ac7008173fc7e392fa825c69410920f0a"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ac7008173fc7e392fa825c69410920f0a">find_in_cache</a> (struct <a class="el" href="structCacheHeader.html">CacheHeader</a> *cache, const char *key)</td></tr>
<tr class="memdesc:ac7008173fc7e392fa825c69410920f0a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Finds a value in the cache by string key. <br /></td></tr>
<tr class="memitem:a962bb6b97fb208cbd8a5932afb60e680" id="r_a962bb6b97fb208cbd8a5932afb60e680"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a962bb6b97fb208cbd8a5932afb60e680">add_to_cache</a> (struct <a class="el" href="structCacheHeader.html">CacheHeader</a> *cache, const char *key, void *value)</td></tr>
<tr class="memdesc:a962bb6b97fb208cbd8a5932afb60e680"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adds a value to the cache with a string key, pruning if necessary. <br /></td></tr>
<tr class="memitem:a8cb7ac8e057627210732ee61d2966e35" id="r_a8cb7ac8e057627210732ee61d2966e35"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a8cb7ac8e057627210732ee61d2966e35">find_in_cache_uint64</a> (struct <a class="el" href="structCacheHeader.html">CacheHeader</a> *cache, uint64_t key)</td></tr>
<tr class="memdesc:a8cb7ac8e057627210732ee61d2966e35"><td class="mdescLeft">&#160;</td><td class="mdescRight">Finds a value in the cache by uint64_t key, using string conversion. <br /></td></tr>
<tr class="memitem:a0735969939ca80db3fe439ed92b787bb" id="r_a0735969939ca80db3fe439ed92b787bb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a0735969939ca80db3fe439ed92b787bb">add_to_cache_uint64</a> (struct <a class="el" href="structCacheHeader.html">CacheHeader</a> *cache, uint64_t key, void *value)</td></tr>
<tr class="memdesc:a0735969939ca80db3fe439ed92b787bb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adds a value to the cache with a uint64_t key, using string conversion. <br /></td></tr>
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<a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Function Documentation</h2>
<a id="a962bb6b97fb208cbd8a5932afb60e680" name="a962bb6b97fb208cbd8a5932afb60e680"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a962bb6b97fb208cbd8a5932afb60e680">&#9670;&#160;</a></span>add_to_cache()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void add_to_cache </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structCacheHeader.html">CacheHeader</a> *</td> <td class="paramname"><span class="paramname"><em>cache</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char *</td> <td class="paramname"><span class="paramname"><em>key</em></span>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *</td> <td class="paramname"><span class="paramname"><em>value</em></span>&#160;)</td>
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<p>Adds a value to the cache with a string key, pruning if necessary. </p>
<p>Adds a new entry to the cache. If the cache exceeds its maximum size, prunes the least recently used entry.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cache</td><td>Pointer to the cache header. </td></tr>
<tr><td class="paramname">key</td><td>String key to add. </td></tr>
<tr><td class="paramname">value</td><td>Pointer to the value to store. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="lru_8c_source.html#l00047">47</a> of file <a class="el" href="lru_8c_source.html">lru.c</a>.</p>
<p class="reference">References <a class="el" href="lru_8h_source.html#l00048">CacheHeader::cache</a>, <a class="el" href="lru_8h_source.html#l00030">CacheEntry::hh</a>, <a class="el" href="lru_8h_source.html#l00028">CacheEntry::key</a>, <a class="el" href="lru_8h_source.html#l00047">CacheHeader::max_items</a>, and <a class="el" href="lru_8h_source.html#l00029">CacheEntry::value</a>.</p>
<p class="reference">Referenced by <a class="el" href="lru_8c_source.html#l00102">add_to_cache_uint64()</a>.</p>
</div>
</div>
<a id="a0735969939ca80db3fe439ed92b787bb" name="a0735969939ca80db3fe439ed92b787bb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0735969939ca80db3fe439ed92b787bb">&#9670;&#160;</a></span>add_to_cache_uint64()</h2>
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<td class="memname">void add_to_cache_uint64 </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structCacheHeader.html">CacheHeader</a> *</td> <td class="paramname"><span class="paramname"><em>cache</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const uint64_t</td> <td class="paramname"><span class="paramname"><em>key</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *</td> <td class="paramname"><span class="paramname"><em>value</em></span>&#160;)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Adds a value to the cache with a uint64_t key, using string conversion. </p>
<p>Converts the uint64_t key to a string and adds the entry to the cache.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cache</td><td>Pointer to the cache header. </td></tr>
<tr><td class="paramname">key</td><td>64-bit integer key to add. </td></tr>
<tr><td class="paramname">value</td><td>Pointer to the value to store. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="lru_8c_source.html#l00102">102</a> of file <a class="el" href="lru_8c_source.html">lru.c</a>.</p>
<p class="reference">References <a class="el" href="lru_8c_source.html#l00047">add_to_cache()</a>, <a class="el" href="lru_8h_source.html#l00028">CacheEntry::key</a>, and <a class="el" href="lru_8h_source.html#l00029">CacheEntry::value</a>.</p>
<p class="reference">Referenced by <a class="el" href="read_8c_source.html#l00253">aaruf_read_sector()</a>.</p>
</div>
</div>
<a id="ac7008173fc7e392fa825c69410920f0a" name="ac7008173fc7e392fa825c69410920f0a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac7008173fc7e392fa825c69410920f0a">&#9670;&#160;</a></span>find_in_cache()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void * find_in_cache </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structCacheHeader.html">CacheHeader</a> *</td> <td class="paramname"><span class="paramname"><em>cache</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char *</td> <td class="paramname"><span class="paramname"><em>key</em></span>&#160;)</td>
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</table>
</div><div class="memdoc">
<p>Finds a value in the cache by string key. </p>
<p>Searches for a value in the cache using a string key and moves it to the front if found.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cache</td><td>Pointer to the cache header. </td></tr>
<tr><td class="paramname">key</td><td>String key to search for. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Pointer to the value if found, or NULL if not found. </dd></dl>
<p class="definition">Definition at line <a class="el" href="lru_8c_source.html#l00024">24</a> of file <a class="el" href="lru_8c_source.html">lru.c</a>.</p>
<p class="reference">References <a class="el" href="lru_8h_source.html#l00048">CacheHeader::cache</a>, <a class="el" href="lru_8h_source.html#l00030">CacheEntry::hh</a>, <a class="el" href="lru_8h_source.html#l00028">CacheEntry::key</a>, and <a class="el" href="lru_8h_source.html#l00029">CacheEntry::value</a>.</p>
<p class="reference">Referenced by <a class="el" href="lru_8c_source.html#l00088">find_in_cache_uint64()</a>.</p>
</div>
</div>
<a id="a8cb7ac8e057627210732ee61d2966e35" name="a8cb7ac8e057627210732ee61d2966e35"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8cb7ac8e057627210732ee61d2966e35">&#9670;&#160;</a></span>find_in_cache_uint64()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void * find_in_cache_uint64 </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structCacheHeader.html">CacheHeader</a> *</td> <td class="paramname"><span class="paramname"><em>cache</em></span>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const uint64_t</td> <td class="paramname"><span class="paramname"><em>key</em></span>&#160;)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Finds a value in the cache by uint64_t key, using string conversion. </p>
<p>Converts the uint64_t key to a string and searches for the entry in the cache.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cache</td><td>Pointer to the cache header. </td></tr>
<tr><td class="paramname">key</td><td>64-bit integer key to search for. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Pointer to the value if found, or NULL if not found. </dd></dl>
<p class="definition">Definition at line <a class="el" href="lru_8c_source.html#l00088">88</a> of file <a class="el" href="lru_8c_source.html">lru.c</a>.</p>
<p class="reference">References <a class="el" href="lru_8c_source.html#l00024">find_in_cache()</a>, and <a class="el" href="lru_8h_source.html#l00028">CacheEntry::key</a>.</p>
<p class="reference">Referenced by <a class="el" href="read_8c_source.html#l00253">aaruf_read_sector()</a>.</p>
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