90 lines
2.9 KiB
HTML
90 lines
2.9 KiB
HTML
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
|
||
|
|
<meta http-equiv="Content-Style-Type" content="text/css">
|
||
|
|
<link rel="up" title="FatFs" href="../00index_e.html">
|
||
|
|
<link rel="alternate" hreflang="ja" title="Japanese" href="../ja/chmod.html">
|
||
|
|
<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">
|
||
|
|
<title>FatFs - f_chmod</title>
|
||
|
|
</head>
|
||
|
|
|
||
|
|
<body>
|
||
|
|
|
||
|
|
<div class="para func">
|
||
|
|
<h2>f_chmod</h2>
|
||
|
|
<p>The f_chmod function changes the attribute of a file or sub-directory.</p>
|
||
|
|
<pre>
|
||
|
|
FRESULT f_chmod (
|
||
|
|
const TCHAR* <span class="arg">path</span>, <span class="c">/* [IN] Object name */</span>
|
||
|
|
BYTE <span class="arg">attr</span>, <span class="c">/* [IN] Attribute flags */</span>
|
||
|
|
BYTE <span class="arg">mask</span> <span class="c">/* [IN] Attribute masks */</span>
|
||
|
|
);
|
||
|
|
</pre>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<div class="para arg">
|
||
|
|
<h4>Parameters</h4>
|
||
|
|
<dl class="par">
|
||
|
|
<dt>path</dt>
|
||
|
|
<dd>Pointer to the null-terminated string that specifies an <a href="filename.html">object</a> to be changed</dd>
|
||
|
|
<dt>attr</dt>
|
||
|
|
<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>
|
||
|
|
<table class="lst">
|
||
|
|
<tr><th>Attribute</th><th>Description</th></tr>
|
||
|
|
<tr><td>AM_RDO</td><td>Read only</td></tr>
|
||
|
|
<tr><td>AM_ARC</td><td>Archive</td></tr>
|
||
|
|
<tr><td>AM_SYS</td><td>System</td></tr>
|
||
|
|
<tr><td>AM_HID</td><td>Hidden</td></tr>
|
||
|
|
</table>
|
||
|
|
</dd>
|
||
|
|
<dt>mask</dt>
|
||
|
|
<dd>Attribute mask that specifies which attribute is changed. The specified attributes are set or cleard and others are left unchanged.</dd>
|
||
|
|
</dl>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
<div class="para ret">
|
||
|
|
<h4>Return Values</h4>
|
||
|
|
<p>
|
||
|
|
<a href="rc.html#ok">FR_OK</a>,
|
||
|
|
<a href="rc.html#de">FR_DISK_ERR</a>,
|
||
|
|
<a href="rc.html#ie">FR_INT_ERR</a>,
|
||
|
|
<a href="rc.html#nr">FR_NOT_READY</a>,
|
||
|
|
<a href="rc.html#ok">FR_NO_FILE</a>,
|
||
|
|
<a href="rc.html#np">FR_NO_PATH</a>,
|
||
|
|
<a href="rc.html#in">FR_INVALID_NAME</a>,
|
||
|
|
<a href="rc.html#wp">FR_WRITE_PROTECTED</a>,
|
||
|
|
<a href="rc.html#id">FR_INVALID_DRIVE</a>,
|
||
|
|
<a href="rc.html#ne">FR_NOT_ENABLED</a>,
|
||
|
|
<a href="rc.html#ns">FR_NO_FILESYSTEM</a>,
|
||
|
|
<a href="rc.html#tm">FR_TIMEOUT</a>,
|
||
|
|
<a href="rc.html#nc">FR_NOT_ENOUGH_CORE</a>
|
||
|
|
</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
<div class="para desc">
|
||
|
|
<h4>Description</h4>
|
||
|
|
<p>The <tt>f_chmod()</tt> function changes the attribute of a file or sub-directory.</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
<div class="para comp">
|
||
|
|
<h4>QuickInfo</h4>
|
||
|
|
<p>Available when <tt>_FS_READONLY == 0</tt> and <tt>_FS_MINIMIZE == 0</tt>.</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
<div class="para use">
|
||
|
|
<h4>Example</h4>
|
||
|
|
<pre>
|
||
|
|
<span class="c">/* Set read-only flag, clear archive flag and others are left unchanged. */</span>
|
||
|
|
f_chmod("file.txt", AR_RDO, AR_RDO | AR_ARC);
|
||
|
|
</pre>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<p class="foot"><a href="../00index_e.html">Return</a></p>
|
||
|
|
</body>
|
||
|
|
</html>
|