savelij13
e749807f86
- 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)
82 lines
2.4 KiB
HTML
82 lines
2.4 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta http-equiv="Content-Style-Type" content="text/css">
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<link rel="up" title="FatFs" href="../00index_e.html">
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<link rel="alternate" hreflang="ja" title="Japanese" href="../ja/chdir.html">
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<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default">
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<title>FatFs - f_chdir</title>
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</head>
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<body>
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<div class="para func">
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<h2>f_chdir</h2>
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<p>The f_chdir function changes the current directory of a drive.</p>
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<pre>
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FRESULT f_chdir (
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const TCHAR* <span class="arg">path</span> <span class="c">/* [IN] Path name */</span>
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);
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</pre>
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</div>
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<div class="para arg">
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<h4>Parameters</h4>
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<dl class="par">
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<dt>path</dt>
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<dd>Pointer to the null-terminated string that specifies the <a href="filename.html">directory</a> to go.</dd>
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</dl>
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</div>
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<div class="para ret">
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<h4>Return Values</h4>
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<p>
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<a href="rc.html#ok">FR_OK</a>,
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<a href="rc.html#de">FR_DISK_ERR</a>,
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<a href="rc.html#ie">FR_INT_ERR</a>,
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<a href="rc.html#nr">FR_NOT_READY</a>,
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<a href="rc.html#np">FR_NO_PATH</a>,
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<a href="rc.html#in">FR_INVALID_NAME</a>,
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<a href="rc.html#id">FR_INVALID_DRIVE</a>,
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<a href="rc.html#ne">FR_NOT_ENABLED</a>,
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<a href="rc.html#ns">FR_NO_FILESYSTEM</a>,
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<a href="rc.html#tm">FR_TIMEOUT</a>,
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<a href="rc.html#nc">FR_NOT_ENOUGH_CORE</a>
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</p>
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</div>
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<div class="para desc">
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<h4>Description</h4>
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<p>The <tt>f_chdir</tt> function changes the current directory of the logical drive. The current directory of a drive is set to the root directory when the drive is mounted. Note that the current directory is retained in the each file system object, so that it also affects other tasks that use the volume.</p>
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</div>
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<div class="para comp">
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<h4>QuickInfo</h4>
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<p>Available when <tt>_FS_RPATH >= 1</tt>.</p>
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</div>
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<div class="para use">
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<h4>Example</h4>
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<pre>
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<span class="c">/* Change current direcoty of the current drive ('dir1' under root directory) */</span>
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f_chdir("/dir1");
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<span class="c">/* Change current direcoty of drive 2 (parent directory) */</span>
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f_chdir("2:..");
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</pre>
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</div>
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<div class="para ref">
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<h4>See Also</h4>
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<p><tt><a href="chdrive.html">f_chdrive</a>, <a href="getcwd.html">f_getcwd</a></tt></p>
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</div>
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<p class="foot"><a href="../00index_e.html">Return</a></p>
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</body>
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</html>
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