1e6865dcdSopenharmony_ci<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> 2e6865dcdSopenharmony_ci<html lang="en"> 3e6865dcdSopenharmony_ci<head> 4e6865dcdSopenharmony_ci<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 5e6865dcdSopenharmony_ci<meta http-equiv="Content-Style-Type" content="text/css"> 6e6865dcdSopenharmony_ci<link rel="up" title="FatFs" href="../00index_e.html"> 7e6865dcdSopenharmony_ci<link rel="alternate" hreflang="ja" title="Japanese" href="../ja/chmod.html"> 8e6865dcdSopenharmony_ci<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default"> 9e6865dcdSopenharmony_ci<title>FatFs - f_chmod</title> 10e6865dcdSopenharmony_ci</head> 11e6865dcdSopenharmony_ci 12e6865dcdSopenharmony_ci<body> 13e6865dcdSopenharmony_ci 14e6865dcdSopenharmony_ci<div class="para func"> 15e6865dcdSopenharmony_ci<h2>f_chmod</h2> 16e6865dcdSopenharmony_ci<p>The f_chmod function changes the attribute of a file or sub-directory.</p> 17e6865dcdSopenharmony_ci<pre> 18e6865dcdSopenharmony_ciFRESULT f_chmod ( 19e6865dcdSopenharmony_ci const TCHAR* <span class="arg">path</span>, <span class="c">/* [IN] Object name */</span> 20e6865dcdSopenharmony_ci BYTE <span class="arg">attr</span>, <span class="c">/* [IN] Attribute flags */</span> 21e6865dcdSopenharmony_ci BYTE <span class="arg">mask</span> <span class="c">/* [IN] Attribute masks */</span> 22e6865dcdSopenharmony_ci); 23e6865dcdSopenharmony_ci</pre> 24e6865dcdSopenharmony_ci</div> 25e6865dcdSopenharmony_ci 26e6865dcdSopenharmony_ci<div class="para arg"> 27e6865dcdSopenharmony_ci<h4>Parameters</h4> 28e6865dcdSopenharmony_ci<dl class="par"> 29e6865dcdSopenharmony_ci<dt>path</dt> 30e6865dcdSopenharmony_ci<dd>Pointer to the null-terminated string that specifies an <a href="filename.html">object</a> to be changed</dd> 31e6865dcdSopenharmony_ci<dt>attr</dt> 32e6865dcdSopenharmony_ci<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> 33e6865dcdSopenharmony_ci<table class="lst"> 34e6865dcdSopenharmony_ci<tr><th>Attribute</th><th>Description</th></tr> 35e6865dcdSopenharmony_ci<tr><td>AM_RDO</td><td>Read only</td></tr> 36e6865dcdSopenharmony_ci<tr><td>AM_ARC</td><td>Archive</td></tr> 37e6865dcdSopenharmony_ci<tr><td>AM_SYS</td><td>System</td></tr> 38e6865dcdSopenharmony_ci<tr><td>AM_HID</td><td>Hidden</td></tr> 39e6865dcdSopenharmony_ci</table> 40e6865dcdSopenharmony_ci</dd> 41e6865dcdSopenharmony_ci<dt>mask</dt> 42e6865dcdSopenharmony_ci<dd>Attribute mask that specifies which attribute is changed. The specified attributes are set or cleard and others are left unchanged.</dd> 43e6865dcdSopenharmony_ci</dl> 44e6865dcdSopenharmony_ci</div> 45e6865dcdSopenharmony_ci 46e6865dcdSopenharmony_ci 47e6865dcdSopenharmony_ci<div class="para ret"> 48e6865dcdSopenharmony_ci<h4>Return Values</h4> 49e6865dcdSopenharmony_ci<p> 50e6865dcdSopenharmony_ci<a href="rc.html#ok">FR_OK</a>, 51e6865dcdSopenharmony_ci<a href="rc.html#de">FR_DISK_ERR</a>, 52e6865dcdSopenharmony_ci<a href="rc.html#ie">FR_INT_ERR</a>, 53e6865dcdSopenharmony_ci<a href="rc.html#nr">FR_NOT_READY</a>, 54e6865dcdSopenharmony_ci<a href="rc.html#ok">FR_NO_FILE</a>, 55e6865dcdSopenharmony_ci<a href="rc.html#np">FR_NO_PATH</a>, 56e6865dcdSopenharmony_ci<a href="rc.html#in">FR_INVALID_NAME</a>, 57e6865dcdSopenharmony_ci<a href="rc.html#wp">FR_WRITE_PROTECTED</a>, 58e6865dcdSopenharmony_ci<a href="rc.html#id">FR_INVALID_DRIVE</a>, 59e6865dcdSopenharmony_ci<a href="rc.html#ne">FR_NOT_ENABLED</a>, 60e6865dcdSopenharmony_ci<a href="rc.html#ns">FR_NO_FILESYSTEM</a>, 61e6865dcdSopenharmony_ci<a href="rc.html#tm">FR_TIMEOUT</a>, 62e6865dcdSopenharmony_ci<a href="rc.html#nc">FR_NOT_ENOUGH_CORE</a> 63e6865dcdSopenharmony_ci</p> 64e6865dcdSopenharmony_ci</div> 65e6865dcdSopenharmony_ci 66e6865dcdSopenharmony_ci 67e6865dcdSopenharmony_ci<div class="para desc"> 68e6865dcdSopenharmony_ci<h4>Description</h4> 69e6865dcdSopenharmony_ci<p>The <tt>f_chmod</tt> function changes the attribute of a file or sub-directory.</p> 70e6865dcdSopenharmony_ci</div> 71e6865dcdSopenharmony_ci 72e6865dcdSopenharmony_ci 73e6865dcdSopenharmony_ci<div class="para comp"> 74e6865dcdSopenharmony_ci<h4>QuickInfo</h4> 75e6865dcdSopenharmony_ci<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> 76e6865dcdSopenharmony_ci</div> 77e6865dcdSopenharmony_ci 78e6865dcdSopenharmony_ci 79e6865dcdSopenharmony_ci<div class="para use"> 80e6865dcdSopenharmony_ci<h4>Example</h4> 81e6865dcdSopenharmony_ci<pre> 82e6865dcdSopenharmony_ci <span class="c">/* Set Read-only, clear Archive and others are left unchanged. */</span> 83e6865dcdSopenharmony_ci <em>f_chmod</em>("file.txt", AM_RDO, AM_RDO | AM_ARC); 84e6865dcdSopenharmony_ci</pre> 85e6865dcdSopenharmony_ci</div> 86e6865dcdSopenharmony_ci 87e6865dcdSopenharmony_ci<p class="foot"><a href="../00index_e.html">Return</a></p> 88e6865dcdSopenharmony_ci</body> 89e6865dcdSopenharmony_ci</html> 90