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<div id="projectname">Hardware Locality (hwloc)
 <span id="projectnumber">1.11.5</span>
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<div class="title">Converting between Object Types, Sets and Attributes, and Strings</div> </div>
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Functions</h2></td></tr>
<tr class="memitem:ga5ca0bf94bbbb080d0eff17a57bd90422"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00168.html#ga5ca0bf94bbbb080d0eff17a57bd90422">hwloc_obj_type_string</a> (<a class="el" href="a00163.html#gacd37bb612667dc437d66bfb175a8dc55">hwloc_obj_type_t</a> type)</td></tr>
<tr class="separator:ga5ca0bf94bbbb080d0eff17a57bd90422"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gadb8765c260edea80c52cd06a76639ba4"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00168.html#gadb8765c260edea80c52cd06a76639ba4">hwloc_obj_type_snprintf</a> (char *restrict string, size_t size, <a class="el" href="a00164.html#ga79b8ab56877ef99ac59b833203391c7d">hwloc_obj_t</a> obj, int verbose)</td></tr>
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<tr class="memitem:ga870e876931c282a1c7aee2f031912ce3"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00168.html#ga870e876931c282a1c7aee2f031912ce3">hwloc_obj_attr_snprintf</a> (char *restrict string, size_t size, <a class="el" href="a00164.html#ga79b8ab56877ef99ac59b833203391c7d">hwloc_obj_t</a> obj, const char *restrict separator, int verbose)</td></tr>
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<tr class="memitem:ga8e0472dfa655c68c0c9072e1ee3a1e03"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00168.html#ga8e0472dfa655c68c0c9072e1ee3a1e03">hwloc_obj_cpuset_snprintf</a> (char *restrict str, size_t size, size_t nobj, const <a class="el" href="a00164.html#ga79b8ab56877ef99ac59b833203391c7d">hwloc_obj_t</a> *restrict objs)</td></tr>
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<tr class="memitem:ga8f8452fa8e707cad59b8a73a6fa06059"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00168.html#ga8f8452fa8e707cad59b8a73a6fa06059">hwloc_obj_type_sscanf</a> (const char *string, <a class="el" href="a00163.html#gacd37bb612667dc437d66bfb175a8dc55">hwloc_obj_type_t</a> *typep, int *depthattrp, void *typeattrp, size_t typeattrsize)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2 class="groupheader">Function Documentation</h2>
<a id="ga870e876931c282a1c7aee2f031912ce3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga870e876931c282a1c7aee2f031912ce3">§ </a></span>hwloc_obj_attr_snprintf()</h2>
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<td class="memname">int hwloc_obj_attr_snprintf </td>
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<td class="paramtype">char *restrict </td>
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<td class="paramtype">size_t </td>
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<td class="paramtype"><a class="el" href="a00164.html#ga79b8ab56877ef99ac59b833203391c7d">hwloc_obj_t</a> </td>
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<p>Stringify the attributes of a given topology object into a human-readable form. </p>
<p>Attribute values are separated by <code>separator</code>.</p>
<p>Only the major attributes are printed in non-verbose mode.</p>
<p>If <code>size</code> is 0, <code>string</code> may safely be <code>NULL</code>.</p>
<dl class="section return"><dt>Returns</dt><dd>the number of character that were actually written if not truncating, or that would have been written (not including the ending \0). </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga8e0472dfa655c68c0c9072e1ee3a1e03">§ </a></span>hwloc_obj_cpuset_snprintf()</h2>
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<td class="memname">int hwloc_obj_cpuset_snprintf </td>
<td>(</td>
<td class="paramtype">char *restrict </td>
<td class="paramname"><em>str</em>, </td>
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<td class="paramtype">size_t </td>
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<td class="paramtype">size_t </td>
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<td class="paramtype">const <a class="el" href="a00164.html#ga79b8ab56877ef99ac59b833203391c7d">hwloc_obj_t</a> *restrict </td>
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<p>Stringify the cpuset containing a set of objects. </p>
<p>If <code>size</code> is 0, <code>string</code> may safely be <code>NULL</code>.</p>
<dl class="section return"><dt>Returns</dt><dd>the number of character that were actually written if not truncating, or that would have been written (not including the ending \0). </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gadb8765c260edea80c52cd06a76639ba4">§ </a></span>hwloc_obj_type_snprintf()</h2>
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<td class="memname">int hwloc_obj_type_snprintf </td>
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<td class="paramtype">char *restrict </td>
<td class="paramname"><em>string</em>, </td>
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<td class="paramtype"><a class="el" href="a00164.html#ga79b8ab56877ef99ac59b833203391c7d">hwloc_obj_t</a> </td>
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<p>Stringify the type of a given topology object into a human-readable form. </p>
<p>Contrary to <a class="el" href="a00168.html#ga5ca0bf94bbbb080d0eff17a57bd90422" title="Return a constant stringified object type. ">hwloc_obj_type_string()</a>, this function includes object-specific attributes (such as the Group depth, the Bridge type, or OS device type) in the output, and it requires the caller to provide the output buffer.</p>
<p>The output is guaranteed to be the same for all objects of a same topology level.</p>
<p>If <code>size</code> is 0, <code>string</code> may safely be <code>NULL</code>.</p>
<dl class="section return"><dt>Returns</dt><dd>the number of character that were actually written if not truncating, or that would have been written (not including the ending \0). </dd></dl>
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<a id="ga8f8452fa8e707cad59b8a73a6fa06059"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga8f8452fa8e707cad59b8a73a6fa06059">§ </a></span>hwloc_obj_type_sscanf()</h2>
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<td class="memname">int hwloc_obj_type_sscanf </td>
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<td class="paramtype">const char * </td>
<td class="paramname"><em>string</em>, </td>
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<td class="paramtype"><a class="el" href="a00163.html#gacd37bb612667dc437d66bfb175a8dc55">hwloc_obj_type_t</a> * </td>
<td class="paramname"><em>typep</em>, </td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>depthattrp</em>, </td>
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<td class="paramname"><em>typeattrp</em>, </td>
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<td class="paramname"><em>typeattrsize</em> </td>
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<p>Return an object type and attributes from a type string. </p>
<p>Convert strings such as "Package" or "Cache" into the corresponding types. Matching is case-insensitive, and only the first letters are actually required to match.</p>
<p>This function is guaranteed to match any string returned by <a class="el" href="a00168.html#ga5ca0bf94bbbb080d0eff17a57bd90422" title="Return a constant stringified object type. ">hwloc_obj_type_string()</a> or <a class="el" href="a00168.html#gadb8765c260edea80c52cd06a76639ba4" title="Stringify the type of a given topology object into a human-readable form. ">hwloc_obj_type_snprintf()</a>.</p>
<p>Types that have specific attributes, for instance caches and groups, may be returned in <code>depthattrp</code> and <code>typeattrp</code>. They are ignored when these pointers are <code>NULL</code>.</p>
<p>For instance "L2i" or "L2iCache" would return type HWLOC_OBJ_CACHE in <code>typep</code>, 2 in <code>depthattrp</code>, and HWLOC_OBJ_CACHE_TYPE_INSTRUCTION in <code>typeattrp</code> (this last pointer should point to a hwloc_obj_cache_type_t). "Group3" would return type HWLOC_OBJ_GROUP type and 3 in <code>depthattrp</code>. Attributes that are not specified in the string (for instance "Group" without a depth, or "L2Cache" without a cache type) are set to -1.</p>
<p><code>typeattrp</code> is only filled if the size specified in <code>typeattrsize</code> is large enough. It is currently only used for caches, and the required size is at least the size of hwloc_obj_cache_type_t.</p>
<dl class="section return"><dt>Returns</dt><dd>0 if a type was correctly identified, otherwise -1.</dd></dl>
<dl class="section note"><dt>Note</dt><dd>This is an extended version of the now deprecated hwloc_obj_type_of_string() </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga5ca0bf94bbbb080d0eff17a57bd90422">§ </a></span>hwloc_obj_type_string()</h2>
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<td class="memname">const char* hwloc_obj_type_string </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00163.html#gacd37bb612667dc437d66bfb175a8dc55">hwloc_obj_type_t</a> </td>
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<p>Return a constant stringified object type. </p>
<p>This function is the basic way to convert a generic type into a string.</p>
<p><a class="el" href="a00168.html#gadb8765c260edea80c52cd06a76639ba4" title="Stringify the type of a given topology object into a human-readable form. ">hwloc_obj_type_snprintf()</a> may return a more precise output for a specific object, but it requires the caller to provide the output buffer. </p>
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