Import fatfs R0.13b

[z180-stamp.git] / fatfs / documents / res / app2.c

/*------------------------------------------------------------/\r
/ Remove all contents of a directory\r
/ This function works regardless of FF_FS_RPATH.\r
/------------------------------------------------------------*/\r
\r
\r
FILINFO fno;\r
\r
FRESULT empty_directory (\r
    char* path      /* Working buffer filled with start directory */\r
)\r
{\r
    UINT i, j;\r
    FRESULT fr;\r
    DIR dir;\r
\r
    fr = f_opendir(&dir, path);\r
    if (fr == FR_OK) {\r
        for (i = 0; path[i]; i++) ;\r
        path[i++] = '/';\r
        for (;;) {\r
            fr = f_readdir(&dir, &fno);\r
            if (fr != FR_OK || !fno.fname[0]) break;\r
            if (_FS_RPATH && fno.fname[0] == '.') continue;\r
            j = 0;\r
            do\r
                path[i+j] = fno.fname[j];\r
            while (fno.fname[j++]);\r
            if (fno.fattrib & AM_DIR) {\r
                fr = empty_directory(path);\r
                if (fr != FR_OK) break;\r
            }\r
            fr = f_unlink(path);\r
            if (fr != FR_OK) break;\r
        }\r
        path[--i] = '\0';\r
        closedir(&dir);\r
    }\r
\r
    return fr;\r
}\r
\r
\r
\r
int main (void)\r
{\r
    FRESULT fr;\r
    FATFS fs;\r
    char buff[256];    /* Working buffer */\r
\r
\r
\r
    f_mount(&fs, "", 0);\r
\r
    strcpy(buff, "/");  /* Directory to be emptied */\r
    fr = empty_directory(buff);\r
\r
    if (fr) {\r
        printf("Function failed. (%u)\n", fr);\r
        return fr;\r
    } else {\r
        printf("All contents in the %s are successfully removed.\n", buff);\r
        return 0;\r
    }\r
}\r
\r
\r
\r