<!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/chmod.html"> <link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default"> <title>FatFs - f_chmod</title> </head> <body> <div class="para func"> <h2>f_chmod</h2> <p>The f_chmod function changes the attribute of a file or sub-directory.</p> <pre> FRESULT f_chmod ( const TCHAR* <span class="arg">path</span>, <span class="c">/* [IN] Object name */</span> BYTE <span class="arg">attr</span>, <span class="c">/* [IN] Attribute flags */</span> BYTE <span class="arg">mask</span> <span class="c">/* [IN] Attribute masks */</span> ); </pre> </div> <div class="para arg"> <h4>Parameters</h4> <dl class="par"> <dt>path</dt> <dd>Pointer to the null-terminated string that specifies an <a href="filename.html">object</a> to be changed</dd> <dt>attr</dt> <dd>Attribute flags to be set in one or more combination of the following flags. The specified flags are set and others are cleard.<br> <table class="lst"> <tr><th>Attribute</th><th>Description</th></tr> <tr><td>AM_RDO</td><td>Read only</td></tr> <tr><td>AM_ARC</td><td>Archive</td></tr> <tr><td>AM_SYS</td><td>System</td></tr> <tr><td>AM_HID</td><td>Hidden</td></tr> </table> </dd> <dt>mask</dt> <dd>Attribute mask that specifies which attribute is changed. The specified attributes are set or cleard and others are left unchanged.</dd> </dl> </div> <div class="para ret"> <h4>Return Values</h4> <p> <a href="rc.html#ok">FR_OK</a>, <a href="rc.html#de">FR_DISK_ERR</a>, <a href="rc.html#ie">FR_INT_ERR</a>, <a href="rc.html#nr">FR_NOT_READY</a>, <a href="rc.html#ok">FR_NO_FILE</a>, <a href="rc.html#np">FR_NO_PATH</a>, <a href="rc.html#in">FR_INVALID_NAME</a>, <a href="rc.html#wp">FR_WRITE_PROTECTED</a>, <a href="rc.html#id">FR_INVALID_DRIVE</a>, <a href="rc.html#ne">FR_NOT_ENABLED</a>, <a href="rc.html#ns">FR_NO_FILESYSTEM</a>, <a href="rc.html#tm">FR_TIMEOUT</a>, <a href="rc.html#nc">FR_NOT_ENOUGH_CORE</a> </p> </div> <div class="para desc"> <h4>Description</h4> <p>The <tt>f_chmod</tt> function changes the attribute of a file or sub-directory.</p> </div> <div class="para comp"> <h4>QuickInfo</h4> <p>Available when <tt>_FS_READONLY == 0</tt> and <tt>_USE_CHMOD == 1</tt>.</p> </div> <div class="para use"> <h4>Example</h4> <pre> <span class="c">/* Set read-only flag, clear archive flag and others are left unchanged. */</span> f_chmod("file.txt", AM_RDO, AM_RDO | AM_ARC); </pre> </div> <p class="foot"><a href="../00index_e.html">Return</a></p> </body> </html>