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<p>Miscllaneous utility functions and macros.  
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Macros</h2></td></tr>
<tr class="memitem:a3dde282dc23d0eaa3c4840df8dc262d4"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="json__util_8h.html#a3dde282dc23d0eaa3c4840df8dc262d4">json_min</a>(a, b)&#160;&#160;&#160;((a) &lt; (b) ? (a) : (b))</td></tr>
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<tr class="memitem:a57d63d199d4b9ea40359253618951300"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="json__util_8h.html#a57d63d199d4b9ea40359253618951300">json_max</a>(a, b)&#160;&#160;&#160;((a) &gt; (b) ? (a) : (b))</td></tr>
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<tr class="memitem:a084b6afc8f7fbef88976aabe4aca7efd"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="json__util_8h.html#a084b6afc8f7fbef88976aabe4aca7efd">JSON_FILE_BUF_SIZE</a>&#160;&#160;&#160;4096</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a8fa0bba6b7ddb149a2159d99bae709ce"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structjson__object.html">json_object</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="json__util_8h.html#a8fa0bba6b7ddb149a2159d99bae709ce">json_object_from_file</a> (const char *filename)</td></tr>
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<tr class="memitem:a62ba7e0f43eb72c418654acf4e263aa6"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structjson__object.html">json_object</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="json__util_8h.html#a62ba7e0f43eb72c418654acf4e263aa6">json_object_from_fd</a> (int fd)</td></tr>
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<tr class="memitem:abbd121df84ec3878a5cb8fefaff12ec7"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="json__util_8h.html#abbd121df84ec3878a5cb8fefaff12ec7">json_object_to_file</a> (const char *filename, struct <a class="el" href="structjson__object.html">json_object</a> *obj)</td></tr>
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<tr class="memitem:a811b1a5a7544337811a44c26fbe88761"><td class="memItemLeft" align="right" valign="top">const char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="json__util_8h.html#a811b1a5a7544337811a44c26fbe88761">json_util_get_last_err</a> (void)</td></tr>
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<tr class="memitem:a74031a1b948dc9fed3f367ea6ce78389"><td class="memItemLeft" align="right" valign="top">const char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="json__util_8h.html#a74031a1b948dc9fed3f367ea6ce78389">json_type_to_name</a> (enum <a class="el" href="json__object_8h.html#ac75c61993722a9b8aaa44704072ec06c">json_type</a> o_type)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Miscllaneous utility functions and macros. </p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
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          <td class="memname">#define JSON_FILE_BUF_SIZE&#160;&#160;&#160;4096</td>
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          <td class="memname">#define json_max</td>
          <td>(</td>
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          <td class="memname">#define json_min</td>
          <td>(</td>
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<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="a62ba7e0f43eb72c418654acf4e263aa6"></a>
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          <td class="memname">struct <a class="el" href="structjson__object.html">json_object</a>* json_object_from_fd </td>
          <td>(</td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>fd</em></td><td>)</td>
          <td></td>
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<p>Create a JSON object from already opened file descriptor.</p>
<p>This function can be helpful, when you opened the file already, e.g. when you have a temp file. Note, that the fd must be readable at the actual position, i.e. use lseek(fd, 0, SEEK_SET) before.</p>
<p>Returns -1 if something fails. See <a class="el" href="json__util_8h.html#a811b1a5a7544337811a44c26fbe88761">json_util_get_last_err()</a> for details. </p>

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          <td class="memname">struct <a class="el" href="structjson__object.html">json_object</a>* json_object_from_file </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>filename</em></td><td>)</td>
          <td></td>
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<p>Read the full contents of the given file, then convert it to a <a class="el" href="structjson__object.html">json_object</a> using <a class="el" href="json__tokener_8h.html#a236ef64d079822a4411d13eae7190c4d">json_tokener_parse()</a>.</p>
<p>Returns -1 if something fails. See <a class="el" href="json__util_8h.html#a811b1a5a7544337811a44c26fbe88761">json_util_get_last_err()</a> for details. </p>

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          <td class="memname">int json_object_to_fd </td>
          <td>(</td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>fd</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">struct <a class="el" href="structjson__object.html">json_object</a> *&#160;</td>
          <td class="paramname"><em>obj</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
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<p>Convert the <a class="el" href="structjson__object.html">json_object</a> to a string and write it to the file descriptor. Handles partial writes and will keep writing until done, or an error occurs.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">fd</td><td>an open, writable file descriptor to write to </td></tr>
    <tr><td class="paramname">obj</td><td>the object to serializer and write </td></tr>
    <tr><td class="paramname">flags</td><td>flags to pass to <a class="el" href="json__object_8h.html#a9db613127bd4ef7db42307e43a85fc1b">json_object_to_json_string_ext()</a> </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>-1 if something fails. See <a class="el" href="json__util_8h.html#a811b1a5a7544337811a44c26fbe88761">json_util_get_last_err()</a> for details. </dd></dl>

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          <td class="memname">int json_object_to_file </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
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        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">struct <a class="el" href="structjson__object.html">json_object</a> *&#160;</td>
          <td class="paramname"><em>obj</em>&#160;</td>
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          <td>)</td>
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<p>Equivalent to: json_object_to_file_ext(filename, obj, JSON_C_TO_STRING_PLAIN);</p>
<p>Returns -1 if something fails. See <a class="el" href="json__util_8h.html#a811b1a5a7544337811a44c26fbe88761">json_util_get_last_err()</a> for details. </p>

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          <td class="memname">int json_object_to_file_ext </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>filename</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">struct <a class="el" href="structjson__object.html">json_object</a> *&#160;</td>
          <td class="paramname"><em>obj</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">int&#160;</td>
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<p>Open and truncate the given file, creating it if necessary, then convert the <a class="el" href="structjson__object.html">json_object</a> to a string and write it to the file.</p>
<p>Returns -1 if something fails. See <a class="el" href="json__util_8h.html#a811b1a5a7544337811a44c26fbe88761">json_util_get_last_err()</a> for details. </p>

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          <td class="memname">int json_parse_double </td>
          <td>(</td>
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          <td class="memname">int json_parse_int64 </td>
          <td>(</td>
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        <tr>
          <td class="paramkey"></td>
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          <td class="paramtype">int64_t *&#160;</td>
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          <td class="memname">const char* json_type_to_name </td>
          <td>(</td>
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<p>Return a string describing the type of the object. e.g. "int", or "object", etc... </p>

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          <td class="memname">const char* json_util_get_last_err </td>
          <td>(</td>
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          <td class="paramname"></td><td>)</td>
          <td></td>
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<p>Return the last error from various json-c functions, including: json_object_to_file{,<em>ext}, <a class="el" href="json__util_8h.html#adc52c3b220effc880270f095cd748433">json_object_to_fd()</a> or json_object_from</em>{file,fd}, or NULL if there is none. </p>

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