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"ELM Default">
9 <title>FatFs - f_stat
</title>
14 <div class=
"para func">
16 <p>The f_stat function checks the existence of a file or sub-directory.
</p>
19 const TCHAR*
<span class=
"arg">path
</span>,
<span class=
"c">/* [IN] Object name */
</span>
20 FILINFO*
<span class=
"arg">fno
</span> <span class=
"c">/* [OUT] FILINFO structure */
</span>
25 <div class=
"para arg">
29 <dd>Pointer to the null-terminated string that specifies the
<a href=
"filename.html">object
</a> to get its information.
</dd>
31 <dd>Pointer to the blank
<tt>FILINFO
</tt> structure to store the information of the object. Set null pointer if it is not needed.
</dd>
36 <div class=
"para ret">
37 <h4>Return Values
</h4>
39 <a href=
"rc.html#ok">FR_OK
</a>,
40 <a href=
"rc.html#de">FR_DISK_ERR
</a>,
41 <a href=
"rc.html#ie">FR_INT_ERR
</a>,
42 <a href=
"rc.html#nr">FR_NOT_READY
</a>,
43 <a href=
"rc.html#ok">FR_NO_FILE
</a>,
44 <a href=
"rc.html#np">FR_NO_PATH
</a>,
45 <a href=
"rc.html#in">FR_INVALID_NAME
</a>,
46 <a href=
"rc.html#id">FR_INVALID_DRIVE
</a>,
47 <a href=
"rc.html#ne">FR_NOT_ENABLED
</a>,
48 <a href=
"rc.html#ns">FR_NO_FILESYSTEM
</a>,
49 <a href=
"rc.html#tm">FR_TIMEOUT
</a>,
50 <a href=
"rc.html#nc">FR_NOT_ENOUGH_CORE
</a>
55 <div class=
"para desc">
57 <p>The
<tt>f_stat
</tt> function checks the existence of a file or sub-directory. If not exist, the function returns with
<tt>FR_NO_FILE
</tt>. If exist, the function returns with
<tt>FR_OK
</tt> and the informations of the object, file size, timestamp and attribute, are stored to the file information structure. For details of the file information, refer to the
<tt>FILINFO
</tt> structure and
<a href=
"readdir.html"><tt>f_readdir
</tt></a> function.
</p>
61 <div class=
"para comp">
63 <p>Available when
<tt>_FS_MINIMIZE ==
0</tt>.
</p>
67 <div class=
"para use">
74 printf(
"Test for 'file.txt'...\n");
76 fr = f_stat(
"file.txt",
&fno);
80 printf(
"Size: %lu\n", fno.fsize);
81 printf(
"Timestamp: %u/%02u/%02u, %02u:%02u\n",
82 (fno.fdate
>> 9) +
1980, fno.fdate
>> 5 & 15, fno.fdate
& 31,
83 fno.ftime
>> 11, fno.ftime
>> 5 & 63);
84 printf(
"Attributes: %c%c%c%c%c\n",
85 (fno.fattrib
& AM_DIR) ? 'D' : '-',
86 (fno.fattrib
& AM_RDO) ? 'R' : '-',
87 (fno.fattrib
& AM_HID) ? 'H' : '-',
88 (fno.fattrib
& AM_SYS) ? 'S' : '-',
89 (fno.fattrib
& AM_ARC) ? 'A' : '-');
93 printf(
"It is not exist.\n");
97 printf(
"An error occured. (%d)\n", fr);
103 <div class=
"para ref">
105 <p><tt><a href=
"opendir.html">f_opendir
</a>,
<a href=
"readdir.html">f_readdir
</a>,
<a href=
"sfileinfo.html">FILINFO
</a></tt></p>
108 <p class=
"foot"><a href=
"../00index_e.html">Return
</a></p>