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< title > FatFs - f_stat< / title >
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< body >
< div class = "para func" >
< h2 > f_stat< / h2 >
< p > The f_stat function checks the existence of a file or sub-directory.< / p >
< pre >
FRESULT f_stat (
const TCHAR* < span class = "arg" > path< / span > , < span class = "c" > /* [IN] Object name */< / span >
FILINFO* < span class = "arg" > fno< / span > < span class = "c" > /* [OUT] FILINFO structure */< / span >
);
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< / div >
< div class = "para arg" >
< h4 > Parameters< / h4 >
< dl class = "par" >
< dt > path< / dt >
< dd > Pointer to the null-terminated string that specifies the < a href = "filename.html" > object< / a > to get its information.< / dd >
< dt > fno< / dt >
< 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 >
< / 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#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 >
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< 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 >
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< / div >
< div class = "para comp" >
< h4 > QuickInfo< / h4 >
< p > Available when < tt > _FS_MINIMIZE == 0< / tt > .< / p >
< / div >
< div class = "para use" >
< h4 > Example< / h4 >
< pre >
FRESULT fr;
FILINFO fno;
printf("Test for 'file.txt'...\n");
fr = f_stat("file.txt", & fno);
switch (fr) {
case FR_OK:
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printf("Size: %lu\n", fno.fsize);
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printf("Timestamp: %u/%02u/%02u, %02u:%02u\n",
(fno.fdate > > 9) + 1980, fno.fdate > > 5 & 15, fno.fdate & 31,
fno.ftime > > 11, fno.ftime > > 5 & 63);
printf("Attributes: %c%c%c%c%c\n",
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(fno.fattrib & AM_DIR) ? 'D' : '-',
(fno.fattrib & AM_RDO) ? 'R' : '-',
(fno.fattrib & AM_HID) ? 'H' : '-',
(fno.fattrib & AM_SYS) ? 'S' : '-',
(fno.fattrib & AM_ARC) ? 'A' : '-');
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break;
case FR_NO_FILE:
printf("It is not exist.\n");
break;
default:
printf("An error occured. (%d)\n", fr);
}
< / pre >
< / div >
< div class = "para ref" >
< h4 > References< / h4 >
< p > < tt > < a href = "opendir.html" > f_opendir< / a > , < a href = "readdir.html" > f_readdir< / a > , < a href = "sfileinfo.html" > FILINFO< / a > < / tt > < / p >
< / div >
< p class = "foot" > < a href = "../00index_e.html" > Return< / a > < / p >
< / body >
< / html >
