FatFS/doc/en/fattime.html
savelij13 e749807f86 fatfs v0.12b September 04, 2016:
- Improved f_rename() to be able to rename objects with the same name but case.
- Fixed an error in the case conversion teble of code page 866. (ff.c)
- Fixed writing data is truncated at the file offset 4GiB on the exFAT volume. (appeared at R0.12)
- Fixed creating a file in the root directory of exFAT volume can fail. (appeared at R0.12)
- Fixed f_mkfs() creating exFAT volume with too small cluster size can collapse unallocated memory. (appeared at R0.12)
- Fixed wrong object name can be returned when read directory at Unicode cfg. (appeared at R0.12)
- Fixed large file allocation/removing on the exFAT volume collapses allocation bitmap. (appeared at R0.12)
- Fixed some internal errors in f_expand() and f_lseek(). (appeared at R0.12)
2025-09-11 10:16:39 +03:00

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<!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/fattime.html">
<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">
<title>FatFs - get_fattime</title>
</head>
<body>
<div class="para func">
<h2>get_fattime</h2>
<p>The get_fattime function gets the current time.</p>
<pre>
DWORD get_fattime (void);
</pre>
</div>
<div class="para ret">
<h4>Return Value</h4>
<p>Currnet local time is returned in bit-fields packed into a <tt>DWORD</tt> value. The bit field is as follows:</p>
<dl class="ret">
<dt>bit31:25</dt>
<dd>Year origin from the 1980 (0..127)</dd>
<dt>bit24:21</dt>
<dd>Month (1..12)</dd>
<dt>bit20:16</dt>
<dd>Day of the month(1..31)</dd>
<dt>bit15:11</dt>
<dd>Hour (0..23)</dd>
<dt>bit10:5</dt>
<dd>Minute (0..59)</dd>
<dt>bit4:0</dt>
<dd>Second / 2 (0..29)</dd>
</dl>
</div>
<div class="para desc">
<h4>Description</h4>
<p>The <tt>get_fattime</tt> function shall return any valid time even if the system does not support a real time clock. If a zero is returned, the file will not have a valid timestamp.</p>
</div>
<div class="para comp">
<h4>QuickInfo</h4>
<p>This function is not needed when <tt>_FS_READONLY == 1</tt> or <tt>_FS_NORTC == 1</tt>.</p>
</div>
<p class="foot"><a href="../00index_e.html">Return</a></p>
</body>
</html>