docs/api-2.1/properties_8h.html

Sat, 06 Feb 2021 19:11:44 +0100

author
Mike Becker <universe@uap-core.de>
date
Sat, 06 Feb 2021 19:11:44 +0100
changeset 390
d345541018fa
permissions
-rw-r--r--

starts ucx 3.0 development

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    64 </div>
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    66 <div class="header">
    67   <div class="summary">
    68 <a href="#nested-classes">Data Structures</a> &#124;
    69 <a href="#func-members">Functions</a>  </div>
    70   <div class="headertitle">
    71 <div class="title">properties.h File Reference</div>  </div>
    72 </div><!--header-->
    73 <div class="contents">
    75 <p>Load / store utilities for properties files.  
    76 <a href="#details">More...</a></p>
    77 <div class="textblock"><code>#include &quot;<a class="el" href="ucx_8h_source.html">ucx.h</a>&quot;</code><br />
    78 <code>#include &quot;<a class="el" href="map_8h_source.html">map.h</a>&quot;</code><br />
    79 </div>
    80 <p><a href="properties_8h_source.html">Go to the source code of this file.</a></p>
    81 <table class="memberdecls">
    82 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
    83 Data Structures</h2></td></tr>
    84 <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structUcxProperties.html">UcxProperties</a></td></tr>
    85 <tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight"><a class="el" href="structUcxProperties.html" title="UcxProperties object for parsing properties data. ">UcxProperties</a> object for parsing properties data.  <a href="structUcxProperties.html#details">More...</a><br /></td></tr>
    86 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
    87 </table><table class="memberdecls">
    88 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
    89 Functions</h2></td></tr>
    90 <tr class="memitem:a44d9dd12cab3aaa0084f1c8b89405796"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structUcxProperties.html">UcxProperties</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="properties_8h.html#a44d9dd12cab3aaa0084f1c8b89405796">ucx_properties_new</a> ()</td></tr>
    91 <tr class="memdesc:a44d9dd12cab3aaa0084f1c8b89405796"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructs a new <a class="el" href="structUcxProperties.html" title="UcxProperties object for parsing properties data. ">UcxProperties</a> object.  <a href="#a44d9dd12cab3aaa0084f1c8b89405796">More...</a><br /></td></tr>
    92 <tr class="separator:a44d9dd12cab3aaa0084f1c8b89405796"><td class="memSeparator" colspan="2">&#160;</td></tr>
    93 <tr class="memitem:a38a2fe7bb2986bd87c7e69356ab05c05"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="properties_8h.html#a38a2fe7bb2986bd87c7e69356ab05c05">ucx_properties_free</a> (<a class="el" href="structUcxProperties.html">UcxProperties</a> *prop)</td></tr>
    94 <tr class="memdesc:a38a2fe7bb2986bd87c7e69356ab05c05"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destroys a <a class="el" href="structUcxProperties.html" title="UcxProperties object for parsing properties data. ">UcxProperties</a> object.  <a href="#a38a2fe7bb2986bd87c7e69356ab05c05">More...</a><br /></td></tr>
    95 <tr class="separator:a38a2fe7bb2986bd87c7e69356ab05c05"><td class="memSeparator" colspan="2">&#160;</td></tr>
    96 <tr class="memitem:aaf8de121764a4d22c763ff2ab41f3a4d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="properties_8h.html#aaf8de121764a4d22c763ff2ab41f3a4d">ucx_properties_fill</a> (<a class="el" href="structUcxProperties.html">UcxProperties</a> *prop, char *buf, size_t len)</td></tr>
    97 <tr class="memdesc:aaf8de121764a4d22c763ff2ab41f3a4d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the input buffer for the properties parser.  <a href="#aaf8de121764a4d22c763ff2ab41f3a4d">More...</a><br /></td></tr>
    98 <tr class="separator:aaf8de121764a4d22c763ff2ab41f3a4d"><td class="memSeparator" colspan="2">&#160;</td></tr>
    99 <tr class="memitem:a7e03bc573d45d48c538cd721e810d33c"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="properties_8h.html#a7e03bc573d45d48c538cd721e810d33c">ucx_properties_next</a> (<a class="el" href="structUcxProperties.html">UcxProperties</a> *prop, <a class="el" href="structsstr__t.html">sstr_t</a> *name, <a class="el" href="structsstr__t.html">sstr_t</a> *value)</td></tr>
   100 <tr class="memdesc:a7e03bc573d45d48c538cd721e810d33c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Retrieves the next key/value-pair.  <a href="#a7e03bc573d45d48c538cd721e810d33c">More...</a><br /></td></tr>
   101 <tr class="separator:a7e03bc573d45d48c538cd721e810d33c"><td class="memSeparator" colspan="2">&#160;</td></tr>
   102 <tr class="memitem:a5c7ff8bc3139960a3f3dc92072b742f3"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="properties_8h.html#a5c7ff8bc3139960a3f3dc92072b742f3">ucx_properties2map</a> (<a class="el" href="structUcxProperties.html">UcxProperties</a> *prop, <a class="el" href="structUcxMap.html">UcxMap</a> *map)</td></tr>
   103 <tr class="memdesc:a5c7ff8bc3139960a3f3dc92072b742f3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Retrieves all available key/value-pairs and puts them into a <a class="el" href="structUcxMap.html" title="Structure for the UCX map. ">UcxMap</a>.  <a href="#a5c7ff8bc3139960a3f3dc92072b742f3">More...</a><br /></td></tr>
   104 <tr class="separator:a5c7ff8bc3139960a3f3dc92072b742f3"><td class="memSeparator" colspan="2">&#160;</td></tr>
   105 <tr class="memitem:ae1b600f839a6b2278b68fc314981a8a3"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="properties_8h.html#ae1b600f839a6b2278b68fc314981a8a3">ucx_properties_load</a> (<a class="el" href="structUcxMap.html">UcxMap</a> *map, FILE *file)</td></tr>
   106 <tr class="memdesc:ae1b600f839a6b2278b68fc314981a8a3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Loads a properties file to a <a class="el" href="structUcxMap.html" title="Structure for the UCX map. ">UcxMap</a>.  <a href="#ae1b600f839a6b2278b68fc314981a8a3">More...</a><br /></td></tr>
   107 <tr class="separator:ae1b600f839a6b2278b68fc314981a8a3"><td class="memSeparator" colspan="2">&#160;</td></tr>
   108 <tr class="memitem:a63c0c1b7648e675b21a1788917ff36fb"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="properties_8h.html#a63c0c1b7648e675b21a1788917ff36fb">ucx_properties_store</a> (<a class="el" href="structUcxMap.html">UcxMap</a> *map, FILE *file)</td></tr>
   109 <tr class="memdesc:a63c0c1b7648e675b21a1788917ff36fb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Stores a <a class="el" href="structUcxMap.html" title="Structure for the UCX map. ">UcxMap</a> to a file.  <a href="#a63c0c1b7648e675b21a1788917ff36fb">More...</a><br /></td></tr>
   110 <tr class="separator:a63c0c1b7648e675b21a1788917ff36fb"><td class="memSeparator" colspan="2">&#160;</td></tr>
   111 </table>
   112 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
   113 <div class="textblock"><p>Load / store utilities for properties files. </p>
   114 <dl class="section author"><dt>Author</dt><dd>Mike Becker </dd>
   115 <dd>
   116 Olaf Wintermann </dd></dl>
   117 </div><h2 class="groupheader">Function Documentation</h2>
   118 <a id="a5c7ff8bc3139960a3f3dc92072b742f3"></a>
   119 <h2 class="memtitle"><span class="permalink"><a href="#a5c7ff8bc3139960a3f3dc92072b742f3">&#9670;&nbsp;</a></span>ucx_properties2map()</h2>
   121 <div class="memitem">
   122 <div class="memproto">
   123       <table class="memname">
   124         <tr>
   125           <td class="memname">int ucx_properties2map </td>
   126           <td>(</td>
   127           <td class="paramtype"><a class="el" href="structUcxProperties.html">UcxProperties</a> *&#160;</td>
   128           <td class="paramname"><em>prop</em>, </td>
   129         </tr>
   130         <tr>
   131           <td class="paramkey"></td>
   132           <td></td>
   133           <td class="paramtype"><a class="el" href="structUcxMap.html">UcxMap</a> *&#160;</td>
   134           <td class="paramname"><em>map</em>&#160;</td>
   135         </tr>
   136         <tr>
   137           <td></td>
   138           <td>)</td>
   139           <td></td><td></td>
   140         </tr>
   141       </table>
   142 </div><div class="memdoc">
   144 <p>Retrieves all available key/value-pairs and puts them into a <a class="el" href="structUcxMap.html" title="Structure for the UCX map. ">UcxMap</a>. </p>
   145 <p>This is done by successive calls to <a class="el" href="properties_8h.html#a7e03bc573d45d48c538cd721e810d33c" title="Retrieves the next key/value-pair. ">ucx_properties_next()</a> until no more key/value-pairs can be retrieved.</p>
   146 <p>The memory for the map values is allocated by the map's own allocator.</p>
   147 <dl class="params"><dt>Parameters</dt><dd>
   148   <table class="params">
   149     <tr><td class="paramname">prop</td><td>the <a class="el" href="structUcxProperties.html" title="UcxProperties object for parsing properties data. ">UcxProperties</a> object </td></tr>
   150     <tr><td class="paramname">map</td><td>the target map </td></tr>
   151   </table>
   152   </dd>
   153 </dl>
   154 <dl class="section return"><dt>Returns</dt><dd>The <a class="el" href="structUcxProperties.html#a34f71a6ab6dcb6892e3b4eb802e75bff" title="Parser error code. ">UcxProperties.error</a> code (i.e. 0 on success). </dd></dl>
   155 <dl class="section see"><dt>See also</dt><dd><a class="el" href="properties_8h.html#aaf8de121764a4d22c763ff2ab41f3a4d" title="Sets the input buffer for the properties parser. ">ucx_properties_fill()</a> </dd>
   156 <dd>
   157 <a class="el" href="structUcxMap.html#a531f3e481c1c331cf037b916192e974d" title="An allocator that is used for the map elements. ">UcxMap.allocator</a> </dd></dl>
   159 </div>
   160 </div>
   161 <a id="aaf8de121764a4d22c763ff2ab41f3a4d"></a>
   162 <h2 class="memtitle"><span class="permalink"><a href="#aaf8de121764a4d22c763ff2ab41f3a4d">&#9670;&nbsp;</a></span>ucx_properties_fill()</h2>
   164 <div class="memitem">
   165 <div class="memproto">
   166       <table class="memname">
   167         <tr>
   168           <td class="memname">void ucx_properties_fill </td>
   169           <td>(</td>
   170           <td class="paramtype"><a class="el" href="structUcxProperties.html">UcxProperties</a> *&#160;</td>
   171           <td class="paramname"><em>prop</em>, </td>
   172         </tr>
   173         <tr>
   174           <td class="paramkey"></td>
   175           <td></td>
   176           <td class="paramtype">char *&#160;</td>
   177           <td class="paramname"><em>buf</em>, </td>
   178         </tr>
   179         <tr>
   180           <td class="paramkey"></td>
   181           <td></td>
   182           <td class="paramtype">size_t&#160;</td>
   183           <td class="paramname"><em>len</em>&#160;</td>
   184         </tr>
   185         <tr>
   186           <td></td>
   187           <td>)</td>
   188           <td></td><td></td>
   189         </tr>
   190       </table>
   191 </div><div class="memdoc">
   193 <p>Sets the input buffer for the properties parser. </p>
   194 <p>After calling this function, you may parse the data by calling <a class="el" href="properties_8h.html#a7e03bc573d45d48c538cd721e810d33c" title="Retrieves the next key/value-pair. ">ucx_properties_next()</a> until it returns 0. The function <a class="el" href="properties_8h.html#a5c7ff8bc3139960a3f3dc92072b742f3" title="Retrieves all available key/value-pairs and puts them into a UcxMap. ">ucx_properties2map()</a> is a convenience function that reads as much data as possible by using this function.</p>
   195 <dl class="params"><dt>Parameters</dt><dd>
   196   <table class="params">
   197     <tr><td class="paramname">prop</td><td>the <a class="el" href="structUcxProperties.html" title="UcxProperties object for parsing properties data. ">UcxProperties</a> object </td></tr>
   198     <tr><td class="paramname">buf</td><td>a pointer to the new buffer </td></tr>
   199     <tr><td class="paramname">len</td><td>the payload length of the buffer </td></tr>
   200   </table>
   201   </dd>
   202 </dl>
   203 <dl class="section see"><dt>See also</dt><dd><a class="el" href="properties_8h.html#a7e03bc573d45d48c538cd721e810d33c" title="Retrieves the next key/value-pair. ">ucx_properties_next()</a> </dd>
   204 <dd>
   205 <a class="el" href="properties_8h.html#a5c7ff8bc3139960a3f3dc92072b742f3" title="Retrieves all available key/value-pairs and puts them into a UcxMap. ">ucx_properties2map()</a> </dd></dl>
   207 </div>
   208 </div>
   209 <a id="a38a2fe7bb2986bd87c7e69356ab05c05"></a>
   210 <h2 class="memtitle"><span class="permalink"><a href="#a38a2fe7bb2986bd87c7e69356ab05c05">&#9670;&nbsp;</a></span>ucx_properties_free()</h2>
   212 <div class="memitem">
   213 <div class="memproto">
   214       <table class="memname">
   215         <tr>
   216           <td class="memname">void ucx_properties_free </td>
   217           <td>(</td>
   218           <td class="paramtype"><a class="el" href="structUcxProperties.html">UcxProperties</a> *&#160;</td>
   219           <td class="paramname"><em>prop</em></td><td>)</td>
   220           <td></td>
   221         </tr>
   222       </table>
   223 </div><div class="memdoc">
   225 <p>Destroys a <a class="el" href="structUcxProperties.html" title="UcxProperties object for parsing properties data. ">UcxProperties</a> object. </p>
   226 <dl class="params"><dt>Parameters</dt><dd>
   227   <table class="params">
   228     <tr><td class="paramname">prop</td><td>the <a class="el" href="structUcxProperties.html" title="UcxProperties object for parsing properties data. ">UcxProperties</a> object to destroy </td></tr>
   229   </table>
   230   </dd>
   231 </dl>
   233 </div>
   234 </div>
   235 <a id="ae1b600f839a6b2278b68fc314981a8a3"></a>
   236 <h2 class="memtitle"><span class="permalink"><a href="#ae1b600f839a6b2278b68fc314981a8a3">&#9670;&nbsp;</a></span>ucx_properties_load()</h2>
   238 <div class="memitem">
   239 <div class="memproto">
   240       <table class="memname">
   241         <tr>
   242           <td class="memname">int ucx_properties_load </td>
   243           <td>(</td>
   244           <td class="paramtype"><a class="el" href="structUcxMap.html">UcxMap</a> *&#160;</td>
   245           <td class="paramname"><em>map</em>, </td>
   246         </tr>
   247         <tr>
   248           <td class="paramkey"></td>
   249           <td></td>
   250           <td class="paramtype">FILE *&#160;</td>
   251           <td class="paramname"><em>file</em>&#160;</td>
   252         </tr>
   253         <tr>
   254           <td></td>
   255           <td>)</td>
   256           <td></td><td></td>
   257         </tr>
   258       </table>
   259 </div><div class="memdoc">
   261 <p>Loads a properties file to a <a class="el" href="structUcxMap.html" title="Structure for the UCX map. ">UcxMap</a>. </p>
   262 <p>This is a convenience function that reads data from an input stream until the end of the stream is reached.</p>
   263 <dl class="params"><dt>Parameters</dt><dd>
   264   <table class="params">
   265     <tr><td class="paramname">map</td><td>the map object to write the key/value-pairs to </td></tr>
   266     <tr><td class="paramname">file</td><td>the <code>FILE*</code> stream to read from </td></tr>
   267   </table>
   268   </dd>
   269 </dl>
   270 <dl class="section return"><dt>Returns</dt><dd>0 on success, or a non-zero value on error</dd></dl>
   271 <dl class="section see"><dt>See also</dt><dd><a class="el" href="properties_8h.html#aaf8de121764a4d22c763ff2ab41f3a4d" title="Sets the input buffer for the properties parser. ">ucx_properties_fill()</a> </dd>
   272 <dd>
   273 <a class="el" href="properties_8h.html#a5c7ff8bc3139960a3f3dc92072b742f3" title="Retrieves all available key/value-pairs and puts them into a UcxMap. ">ucx_properties2map()</a> </dd></dl>
   275 </div>
   276 </div>
   277 <a id="a44d9dd12cab3aaa0084f1c8b89405796"></a>
   278 <h2 class="memtitle"><span class="permalink"><a href="#a44d9dd12cab3aaa0084f1c8b89405796">&#9670;&nbsp;</a></span>ucx_properties_new()</h2>
   280 <div class="memitem">
   281 <div class="memproto">
   282       <table class="memname">
   283         <tr>
   284           <td class="memname"><a class="el" href="structUcxProperties.html">UcxProperties</a>* ucx_properties_new </td>
   285           <td>(</td>
   286           <td class="paramname"></td><td>)</td>
   287           <td></td>
   288         </tr>
   289       </table>
   290 </div><div class="memdoc">
   292 <p>Constructs a new <a class="el" href="structUcxProperties.html" title="UcxProperties object for parsing properties data. ">UcxProperties</a> object. </p>
   293 <dl class="section return"><dt>Returns</dt><dd>a pointer to the new <a class="el" href="structUcxProperties.html" title="UcxProperties object for parsing properties data. ">UcxProperties</a> object </dd></dl>
   295 </div>
   296 </div>
   297 <a id="a7e03bc573d45d48c538cd721e810d33c"></a>
   298 <h2 class="memtitle"><span class="permalink"><a href="#a7e03bc573d45d48c538cd721e810d33c">&#9670;&nbsp;</a></span>ucx_properties_next()</h2>
   300 <div class="memitem">
   301 <div class="memproto">
   302       <table class="memname">
   303         <tr>
   304           <td class="memname">int ucx_properties_next </td>
   305           <td>(</td>
   306           <td class="paramtype"><a class="el" href="structUcxProperties.html">UcxProperties</a> *&#160;</td>
   307           <td class="paramname"><em>prop</em>, </td>
   308         </tr>
   309         <tr>
   310           <td class="paramkey"></td>
   311           <td></td>
   312           <td class="paramtype"><a class="el" href="structsstr__t.html">sstr_t</a> *&#160;</td>
   313           <td class="paramname"><em>name</em>, </td>
   314         </tr>
   315         <tr>
   316           <td class="paramkey"></td>
   317           <td></td>
   318           <td class="paramtype"><a class="el" href="structsstr__t.html">sstr_t</a> *&#160;</td>
   319           <td class="paramname"><em>value</em>&#160;</td>
   320         </tr>
   321         <tr>
   322           <td></td>
   323           <td>)</td>
   324           <td></td><td></td>
   325         </tr>
   326       </table>
   327 </div><div class="memdoc">
   329 <p>Retrieves the next key/value-pair. </p>
   330 <p>This function returns a nonzero value as long as there are key/value-pairs found. If no more key/value-pairs are found, you may refill the input buffer with <a class="el" href="properties_8h.html#aaf8de121764a4d22c763ff2ab41f3a4d" title="Sets the input buffer for the properties parser. ">ucx_properties_fill()</a>.</p>
   331 <p><b>Attention:</b> the <a class="el" href="structsstr__t.html#af8049914efc1e67f7de3ee55ec0611b0" title="A pointer to the string (not necessarily NULL-terminated) ">sstr_t.ptr</a> pointers of the output parameters point to memory within the input buffer of the parser and will get invalid some time. If you want long term copies of the key/value-pairs, use <a class="el" href="string_8h.html#accbfd2b459a028d7af9fb7df6f977d80" title="Creates a duplicate of the specified string. ">sstrdup()</a> after calling this function.</p>
   332 <dl class="params"><dt>Parameters</dt><dd>
   333   <table class="params">
   334     <tr><td class="paramname">prop</td><td>the <a class="el" href="structUcxProperties.html" title="UcxProperties object for parsing properties data. ">UcxProperties</a> object </td></tr>
   335     <tr><td class="paramname">name</td><td>a pointer to the <a class="el" href="structsstr__t.html" title="The UCX string structure. ">sstr_t</a> that shall contain the property name </td></tr>
   336     <tr><td class="paramname">value</td><td>a pointer to the <a class="el" href="structsstr__t.html" title="The UCX string structure. ">sstr_t</a> that shall contain the property value </td></tr>
   337   </table>
   338   </dd>
   339 </dl>
   340 <dl class="section return"><dt>Returns</dt><dd>Nonzero, if a key/value-pair was successfully retrieved </dd></dl>
   341 <dl class="section see"><dt>See also</dt><dd><a class="el" href="properties_8h.html#aaf8de121764a4d22c763ff2ab41f3a4d" title="Sets the input buffer for the properties parser. ">ucx_properties_fill()</a> </dd></dl>
   343 </div>
   344 </div>
   345 <a id="a63c0c1b7648e675b21a1788917ff36fb"></a>
   346 <h2 class="memtitle"><span class="permalink"><a href="#a63c0c1b7648e675b21a1788917ff36fb">&#9670;&nbsp;</a></span>ucx_properties_store()</h2>
   348 <div class="memitem">
   349 <div class="memproto">
   350       <table class="memname">
   351         <tr>
   352           <td class="memname">int ucx_properties_store </td>
   353           <td>(</td>
   354           <td class="paramtype"><a class="el" href="structUcxMap.html">UcxMap</a> *&#160;</td>
   355           <td class="paramname"><em>map</em>, </td>
   356         </tr>
   357         <tr>
   358           <td class="paramkey"></td>
   359           <td></td>
   360           <td class="paramtype">FILE *&#160;</td>
   361           <td class="paramname"><em>file</em>&#160;</td>
   362         </tr>
   363         <tr>
   364           <td></td>
   365           <td>)</td>
   366           <td></td><td></td>
   367         </tr>
   368       </table>
   369 </div><div class="memdoc">
   371 <p>Stores a <a class="el" href="structUcxMap.html" title="Structure for the UCX map. ">UcxMap</a> to a file. </p>
   372 <p>The key/value-pairs are written by using the following format:</p>
   373 <p><code>[key] = [value]\n</code></p>
   374 <dl class="params"><dt>Parameters</dt><dd>
   375   <table class="params">
   376     <tr><td class="paramname">map</td><td>the map to store </td></tr>
   377     <tr><td class="paramname">file</td><td>the <code>FILE*</code> stream to write to </td></tr>
   378   </table>
   379   </dd>
   380 </dl>
   381 <dl class="section return"><dt>Returns</dt><dd>0 on success, or a non-zero value on error </dd></dl>
   383 </div>
   384 </div>
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