savelij13
fca959be37
- Improved write throughput at the fragmented file on the exFAT volume. - Made memory usage for exFAT be able to be reduced as decreasing _MAX_LFN. - Fixed successive f_getfree() can return wrong count on the FAT12/16 volume. (appeared at R0.12) - Fixed configuration option _VOLUMES cannot be set 10. (appeared at R0.10c)
76 lines
2.5 KiB
HTML
76 lines
2.5 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/unlink.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_unlink</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_unlink</h2>
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<p>The f_unlink function removes a file or sub-directory.</p>
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<pre>
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FRESULT f_unlink (
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const TCHAR* <span class="arg">path</span> <span class="c">/* [IN] Object 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>Parameter</h4>
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<dl class="par">
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<dt>path</dt>
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<dd>Pointer to a null-terminated string that specifies the <a href="filename.html">file or sub-directory</a> to be removed.</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#ok">FR_NO_FILE</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#dn">FR_DENIED</a>,
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<a href="rc.html#ex">FR_EXIST</a>,
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<a href="rc.html#wp">FR_WRITE_PROTECTED</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#lo">FR_LOCKED</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>
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If condition of the object to be removed is applicable to the following terms, the function will be rejected.<ul>
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<li>The file/sub-directory must not have read-only attribute (<tt>AM_RDO</tt>), or the function will be rejected with <tt>FR_DENIED</tt>.</li>
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<li>The sub-directory must be empty and must not be current directory, or the function will be rejected with <tt>FR_DENIED</tt>.</li>
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<li>The file/sub-directory must not be opened, or the <em>FAT volume can be collapsed</em>. It will be rejected safely when <a href="appnote.html#dup">file lock function</a> is enabled.</li>
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</ul>
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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_READONLY == 0</tt> and <tt>_FS_MINIMIZE == 0</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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