projects / z180-stamp.git / blame
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|---|---|---|
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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="ja">\r | |
| 3 | <head>\r | |
| 7b78a5a2 | 4 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8">\r |
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5 | <meta http-equiv="Content-Style-Type" content="text/css">\r |
| 6 | <link rel="up" title="FatFs" href="../00index_j.html">\r | |
| 7 | <link rel="alternate" hreflang="en" title="English" href="../en/utime.html">\r | |
| 8 | <link rel="stylesheet" href="../css_j.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 | |
| 7b78a5a2 | 16 | <p>ファイルまたはサブ ディレクトリのタイムスタンプを変更します。</p>\r |
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17 | <pre>\r |
| 18 | FRESULT f_utime (\r | |
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19 | const TCHAR* <span class="arg">path</span>, <span class="c">/* [IN] オブジェクト名へのポインタ */</span>\r |
| 20 | const FILINFO* <span class="arg">fno</span> <span class="c">/* [IN] 設定する日付 */</span>\r | |
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21 | );\r |
| 22 | </pre>\r | |
| 23 | </div>\r | |
| 24 | \r | |
| 25 | <div class="para arg">\r | |
| 7b78a5a2 | 26 | <h4>引数</h4>\r |
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27 | <dl class="par">\r |
| 28 | <dt>path</dt>\r | |
| 7b78a5a2 | 29 | <dd>変更対象のオブジェクトの<a href="filename.html">パス名</a>を示すヌル文字<tt>'\0'</tt>終端の文字列を指定します。</dd>\r |
| 53668523 | 30 | <dt>fno</dt>\r |
| 7b78a5a2 | 31 | <dd>設定する日付と時間を<tt>fdate</tt>と<tt>ftime</tt>メンバに設定された<tt>FILINFO</tt>構造体へのポインタ。他のメンバはこの関数では意味を持ちません。</dd>\r |
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32 | </dl>\r |
| 33 | </div>\r | |
| 34 | \r | |
| 35 | \r | |
| 36 | <div class="para ret">\r | |
| 7b78a5a2 | 37 | <h4>戻り値</h4>\r |
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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 | |
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57 | <h4>解説</h4>\r |
| 58 | <p>オブジェクトのタイムスタンプを変更します。</p>\r | |
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59 | </div>\r |
| 60 | \r | |
| 61 | \r | |
| 62 | <div class="para use">\r | |
| 7b78a5a2 | 63 | <h4>使用例</h4>\r |
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64 | <pre>\r |
| 65 | FRESULT set_timestamp (\r | |
| 7b78a5a2 | 66 | char *obj, <span class="c">/* ファイル名へのポインタ */</span>\r |
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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 f_utime(obj, &fno);\r | |
| 81 | }\r | |
| 82 | </pre>\r | |
| 83 | </div>\r | |
| 84 | \r | |
| 85 | \r | |
| 86 | <div class="para comp">\r | |
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87 | <h4>対応情報</h4>\r |
| 88 | <p><tt>_FS_READONLY == 0</tt>で、且つ<tt>_FS_MINIMIZE == 0</tt>のときに使用可能です。</p>\r | |
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89 | </div>\r |
| 90 | \r | |
| 91 | \r | |
| 92 | <div class="para ref">\r | |
| 7b78a5a2 | 93 | <h4>参照</h4>\r |
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94 | <p><tt><a href="stat.html">f_stat</a>, <a href="sfileinfo.html">FILINFO</a></tt></p>\r |
| 95 | </div>\r | |
| 96 | \r | |
| 7b78a5a2 | 97 | <p class="foot"><a href="../00index_j.html">戻る</a></p>\r |
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98 | </body>\r |
| 99 | </html>\r |