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/*------------------------------------------------------------/
/ Remove all contents of a directory
/ This function works regardless of _FS_RPATH.
/------------------------------------------------------------*/
FRESULT empty_directory (
char* path /* Working buffer filled with start directory */
)
{
UINT i, j;
FRESULT fr;
DIR dir;
FILINFO fno;
#if _USE_LFN
fno.lfname = 0; /* Disable LFN output */
#endif
fr = f_opendir(&dir, path);
if (fr == FR_OK) {
for (i = 0; path[i]; i++) ;
path[i++] = '/';
for (;;) {
fr = f_readdir(&dir, &fno);
if (fr != FR_OK || !fno.fname[0]) break;
if (_FS_RPATH && fno.fname[0] == '.') continue;
j = 0;
do
path[i+j] = fno.fname[j];
while (fno.fname[j++]);
if (fno.fattrib & AM_DIR) {
fr = empty_directory(path);
if (fr != FR_OK) break;
}
fr = f_unlink(path);
if (fr != FR_OK) break;
}
path[--i] = '\0';
closedir(&dir);
}
return fr;
}
int main (void)
{
FRESULT fr;
FATFS fs;
char buff[64]; /* Working buffer */
f_mount(&fs, "", 0);
strcpy(buff, "/"); /* Directory to be emptied */
fr = empty_directory(buff);
if (fr) {
printf("Function failed. (%u)\n", fr);
return fr;
} else {
printf("All contents in the %s are successfully removed.\n", buff);
return 0;
}
}
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