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<title>FatFs - f_rename</title>
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<div class="para">
<h2>f_rename</h2>
<p>Renames an object.</p>
<pre>
FRESULT f_rename (
const XCHAR* <em>OldName</em>, /* Pointer to old object name */
const XCHAR* <em>NewName</em> /* Pointer to new object name */
);
</pre>
</div>
<div class="para">
<h4>Parameters</h4>
<dl class="par">
<dt>OldName</dt>
<dd>Pointer to a null-terminated string specifies the old <a href="filename.html">object name</a> to be renamed.</dd>
<dt>NewName</dt>
<dd>Pointer to a null-terminated string specifies the new object name without drive number.</dd>
</dl>
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<div class="para">
<h4>Return Values</h4>
<dl class="ret">
<dt>FR_OK (0)</dt>
<dd>The function succeeded.</dd>
<dt>FR_NO_FILE</dt>
<dd>Could not find the old name.</dd>
<dt>FR_NO_PATH</dt>
<dd>Could not find the path.</dd>
<dt>FR_INVALID_NAME</dt>
<dd>The file name is invalid.</dd>
<dt>FR_INVALID_DRIVE</dt>
<dd>The drive number is invalid.</dd>
<dt>FR_NOT_READY</dt>
<dd>The disk drive cannot work due to no medium in the drive or any other reason.</dd>
<dt>FR_EXIST</dt>
<dd>The new name is colliding with an existing name.</dd>
<dt>FR_DENIED</dt>
<dd>The new name could not be created due to any reason.</dd>
<dt>FR_WRITE_PROTECTED</dt>
<dd>The medium is write protected.</dd>
<dt>FR_DISK_ERR</dt>
<dd>The function failed due to an error in the disk function.</dd>
<dt>FR_INT_ERR</dt>
<dd>The function failed due to a wrong FAT structure or an internal error.</dd>
<dt>FR_NOT_ENABLED</dt>
<dd>The logical drive has no work area.</dd>
<dt>FR_NO_FILESYSTEM</dt>
<dd>There is no valid FAT volume on the disk.</dd>
</dl>
</div>
<div class="para">
<h4>Description</h4>
<p>Renames an object and can also move it to other directory. The logical drive number is determined by old name, new name must not contain a logical drive number. <em>Do not rename open objects</em>.</p>
</div>
<div class="para">
<h4>QuickInfo</h4>
<p>Available when <tt>_FS_READONLY == 0</tt> and <tt>_FS_MINIMIZE == 0</tt>.</p>
</div>
<div class="para">
<h4>Example</h4>
<pre>
/* Rename an object */
f_rename("oldname.txt", "newname.txt");
/* Rename and move an object to other directory */
f_rename("oldname.txt", "dir1/newname.txt");
</pre>
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