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1 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">\r | |
2 | <html lang="en">\r | |
3 | <head>\r | |
4 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8">\r | |
5 | <meta http-equiv="Content-Style-Type" content="text/css">\r | |
6 | <link rel="up" title="FatFs" href="../00index_e.html">\r | |
7 | <link rel="alternate" hreflang="ja" title="Japanese" href="../ja/utime.html">\r | |
8 | <link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">\r | |
9 | <title>FatFs - f_utime</title>\r | |
10 | </head>\r | |
11 | \r | |
12 | <body>\r | |
13 | \r | |
14 | <div class="para func">\r | |
15 | <h2>f_utime</h2>\r | |
16 | <p>The f_utime function changes the timestamp of a file or sub-directory.</p>\r | |
17 | <pre>\r | |
18 | FRESULT f_utime (\r | |
19 | const TCHAR* <span class="arg">path</span>, <span class="c">/* [IN] Object name */</span>\r | |
20 | const FILINFO* <span class="arg">fno</span> <span class="c">/* [IN] Time and data to be set */</span>\r | |
21 | );\r | |
22 | </pre>\r | |
23 | </div>\r | |
24 | \r | |
25 | <div class="para arg">\r | |
26 | <h4>Parameters</h4>\r | |
27 | <dl class="par">\r | |
28 | <dt>path</dt>\r | |
29 | <dd>Pointer to the null-terminated string that specifies an <a href="filename.html">object</a> to be changed.</dd>\r | |
30 | <dt>fno</dt>\r | |
31 | <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>\r | |
32 | </dl>\r | |
33 | </div>\r | |
34 | \r | |
35 | \r | |
36 | <div class="para ret">\r | |
37 | <h4>Return Values</h4>\r | |
38 | <p>\r | |
39 | <a href="rc.html#ok">FR_OK</a>,\r | |
40 | <a href="rc.html#de">FR_DISK_ERR</a>,\r | |
41 | <a href="rc.html#ie">FR_INT_ERR</a>,\r | |
42 | <a href="rc.html#nr">FR_NOT_READY</a>,\r | |
43 | <a href="rc.html#ok">FR_NO_FILE</a>,\r | |
44 | <a href="rc.html#np">FR_NO_PATH</a>,\r | |
45 | <a href="rc.html#in">FR_INVALID_NAME</a>,\r | |
46 | <a href="rc.html#wp">FR_WRITE_PROTECTED</a>,\r | |
47 | <a href="rc.html#id">FR_INVALID_DRIVE</a>,\r | |
48 | <a href="rc.html#ne">FR_NOT_ENABLED</a>,\r | |
49 | <a href="rc.html#ns">FR_NO_FILESYSTEM</a>,\r | |
50 | <a href="rc.html#tm">FR_TIMEOUT</a>,\r | |
51 | <a href="rc.html#nc">FR_NOT_ENOUGH_CORE</a>\r | |
52 | </p>\r | |
53 | </div>\r | |
54 | \r | |
55 | \r | |
56 | <div class="para desc">\r | |
57 | <h4>Description</h4>\r | |
58 | <p>The <tt>f_utime</tt> function changes the timestamp of a file or sub-directory</p>\r | |
59 | </div>\r | |
60 | \r | |
61 | \r | |
62 | <div class="para use">\r | |
63 | <h4>Example</h4>\r | |
64 | <pre>\r | |
65 | FRESULT set_timestamp (\r | |
66 | char *obj, <span class="c">/* Pointer to the file name */</span>\r | |
67 | int year,\r | |
68 | int month,\r | |
69 | int mday,\r | |
70 | int hour,\r | |
71 | int min,\r | |
72 | int sec\r | |
73 | )\r | |
74 | {\r | |
75 | FILINFO fno;\r | |
76 | \r | |
77 | fno.fdate = (WORD)(((year - 1980) * 512U) | month * 32U | mday);\r | |
78 | fno.ftime = (WORD)(hour * 2048U | min * 32U | sec / 2U);\r | |
79 | \r | |
80 | return <em>f_utime</em>(obj, &fno);\r | |
81 | }\r | |
82 | </pre>\r | |
83 | </div>\r | |
84 | \r | |
85 | \r | |
86 | <div class="para comp">\r | |
87 | <h4>QuickInfo</h4>\r | |
88 | <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>\r | |
89 | </div>\r | |
90 | \r | |
91 | \r | |
92 | <div class="para ref">\r | |
93 | <h4>See Also</h4>\r | |
94 | <p><tt><a href="stat.html">f_stat</a>, <a href="sfileinfo.html">FILINFO</a></tt></p>\r | |
95 | </div>\r | |
96 | \r | |
97 | <p class="foot"><a href="../00index_e.html">Return</a></p>\r | |
98 | </body>\r | |
99 | </html>\r |