2014-08-13 05:48:16 +00:00
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html lang="en">
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<meta http-equiv="Content-Style-Type" content="text/css">
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<link rel="up" title="FatFs" href="../00index_e.html">
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<link rel="alternate" hreflang="ja" title="Japanese" href="../ja/chmod.html">
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<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">
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<title>FatFs - f_chmod</title>
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</head>
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<body>
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<div class="para func">
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<h2>f_chmod</h2>
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<p>The f_chmod function changes the attribute of a file or sub-directory.</p>
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<pre>
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FRESULT f_chmod (
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const TCHAR* <span class="arg">path</span>, <span class="c">/* [IN] Object name */</span>
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BYTE <span class="arg">attr</span>, <span class="c">/* [IN] Attribute flags */</span>
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BYTE <span class="arg">mask</span> <span class="c">/* [IN] Attribute masks */</span>
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);
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</pre>
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</div>
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<div class="para arg">
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<h4>Parameters</h4>
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<dl class="par">
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<dt>path</dt>
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<dd>Pointer to the null-terminated string that specifies an <a href="filename.html">object</a> to be changed</dd>
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<dt>attr</dt>
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<dd>Attribute flags to be set in one or more combination of the following flags. The specified flags are set and others are cleard.<br>
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<table class="lst">
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<tr><th>Attribute</th><th>Description</th></tr>
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<tr><td>AM_RDO</td><td>Read only</td></tr>
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<tr><td>AM_ARC</td><td>Archive</td></tr>
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<tr><td>AM_SYS</td><td>System</td></tr>
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<tr><td>AM_HID</td><td>Hidden</td></tr>
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</table>
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</dd>
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<dt>mask</dt>
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<dd>Attribute mask that specifies which attribute is changed. The specified attributes are set or cleard and others are left unchanged.</dd>
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</dl>
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</div>
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<div class="para ret">
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<h4>Return Values</h4>
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<p>
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<a href="rc.html#ok">FR_OK</a>,
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<a href="rc.html#de">FR_DISK_ERR</a>,
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<a href="rc.html#ie">FR_INT_ERR</a>,
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<a href="rc.html#nr">FR_NOT_READY</a>,
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<a href="rc.html#ok">FR_NO_FILE</a>,
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<a href="rc.html#np">FR_NO_PATH</a>,
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<a href="rc.html#in">FR_INVALID_NAME</a>,
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<a href="rc.html#wp">FR_WRITE_PROTECTED</a>,
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<a href="rc.html#id">FR_INVALID_DRIVE</a>,
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<a href="rc.html#ne">FR_NOT_ENABLED</a>,
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<a href="rc.html#ns">FR_NO_FILESYSTEM</a>,
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<a href="rc.html#tm">FR_TIMEOUT</a>,
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<a href="rc.html#nc">FR_NOT_ENOUGH_CORE</a>
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</p>
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</div>
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<div class="para desc">
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<h4>Description</h4>
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2017-06-24 06:35:31 +00:00
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<p>The <tt>f_chmod</tt> function changes the attribute of a file or sub-directory.</p>
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2014-08-13 05:48:16 +00:00
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</div>
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<div class="para comp">
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<h4>QuickInfo</h4>
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2017-06-24 06:35:31 +00:00
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<p>Available when <tt>FF_FS_READONLY == 0</tt> and <tt>FF_USE_CHMOD == 1</tt>.</p>
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2014-08-13 05:48:16 +00:00
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</div>
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<div class="para use">
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<h4>Example</h4>
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<pre>
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2017-06-24 06:35:31 +00:00
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<span class="c">/* Set Read-only, clear Archive and others are left unchanged. */</span>
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<em>f_chmod</em>("file.txt", AM_RDO, AM_RDO | AM_ARC);
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2014-08-13 05:48:16 +00:00
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</pre>
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</div>
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<p class="foot"><a href="../00index_e.html">Return</a></p>
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</body>
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</html>
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