88 lines
1.5 KiB
C
88 lines
1.5 KiB
C
/*------------------------------------------------------------/
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/ Remove all contents of a directory
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/ This function works regardless of _FS_RPATH.
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/------------------------------------------------------------*/
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FRESULT empty_directory(
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char *path /* Working buffer filled with start directory */
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)
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{
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UINT i, j;
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FRESULT fr;
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DIR dir;
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FILINFO fno;
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#if _USE_LFN
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fno.lfname = 0; /* Set null pointer because LFN is not needed */
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#endif
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fr = f_opendir(&dir, path);
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if (fr == FR_OK)
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{
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for (i = 0; path[i]; i++) ;
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path[i++] = '/';
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for (;;)
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{
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fr = f_readdir(&dir, &fno);
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if (fr != FR_OK || !fno.fname[0])
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{
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break;
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}
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if (fno.fname[0] == '.')
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{
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continue;
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}
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j = 0;
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do
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{
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path[i+j] = fno.fname[j];
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}
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while (fno.fname[j++]);
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if (fno.fattrib & AM_DIR)
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{
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fr = empty_directory(path);
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if (fr != FR_OK)
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{
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break;
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}
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}
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fr = f_unlink(path);
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if (fr != FR_OK)
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{
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break;
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}
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}
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path[--i] = '\0';
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}
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return fr;
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}
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int main(void)
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{
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FRESULT fr;
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char buff[64]; /* Working buffer */
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f_mount(0, &Fatfs);
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strcpy(buff, "/"); /* Directory to be emptied */
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fr = empty_directory(buff);
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if (fr)
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{
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printf("Function failed. (%u)\n", fr);
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return 1;
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}
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else
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{
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printf("All contents in the %s are successfully removed.\n", buff);
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return 0;
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}
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}
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