99 lines
2.7 KiB
HTML
99 lines
2.7 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=utf-8">
|
|
<meta http-equiv="Content-Style-Type" content="text/css">
|
|
<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">
|
|
<title>FatFs - f_utime</title>
|
|
</head>
|
|
|
|
<body>
|
|
|
|
<div class="para func">
|
|
<h2>f_utime</h2>
|
|
<p>The f_utime function changes the timestamp of a file or sub-directory.</p>
|
|
<pre>
|
|
FRESULT f_utime (
|
|
const TCHAR* <span class="arg">path</span>, <span class="c">/* [IN] Object name */</span>
|
|
const FILINFO* <span class="arg">fno</span> <span class="c">/* [IN] Time and data to be set */</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. If a null pointer is given, the function fails with <tt>FR_INVALID_DRIVE</tt>.</dd>
|
|
<dt>fno</dt>
|
|
<dd>Pointer to the file information structure that has a timestamp to be set in member fdate and ftime. Do not care any other members.</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_utime</tt> function changes the timestamp of a file or sub-directory</p>
|
|
</div>
|
|
|
|
|
|
<div class="para use">
|
|
<h4>Example</h4>
|
|
<pre>
|
|
FRESULT set_timestamp (
|
|
char *obj, <span class="c">/* Pointer to the file name */</span>
|
|
int year,
|
|
int month,
|
|
int mday,
|
|
int hour,
|
|
int min,
|
|
int sec
|
|
)
|
|
{
|
|
FILINFO fno;
|
|
|
|
fno.fdate = (WORD)(((year - 1980) * 512U) | month * 32U | mday);
|
|
fno.ftime = (WORD)(hour * 2048U | min * 32U | sec / 2U);
|
|
|
|
return <em>f_utime</em>(obj, &fno);
|
|
}
|
|
</pre>
|
|
</div>
|
|
|
|
|
|
<div class="para comp">
|
|
<h4>QuickInfo</h4>
|
|
<p>Available when <tt><a href="config.html#fs_readonly">FF_FS_READONLY</a> == 0</tt> and <tt><a href="config.html#use_chmod">FF_USE_CHMOD</a> == 1</tt>.</p>
|
|
</div>
|
|
|
|
|
|
<div class="para ref">
|
|
<h4>See Also</h4>
|
|
<p><tt><a href="stat.html">f_stat</a>, <a href="sfileinfo.html">FILINFO</a></tt></p>
|
|
</div>
|
|
|
|
|
|
<p class="foot"><a href="../00index_e.html">Return</a></p>
|
|
</body>
|
|
</html>
|