fatfs递归一个文件夹下的所有文件和子文件

eric2013

https://elm-chan.org/fsw/ff/doc/readdir.html

[C] 纯文本查看 复制代码

/* Recursive scan of all items in the directory */

FRESULT scan_files (
    char* path        /* Start node to be scanned (***also used as work area***) */
)
{
    FRESULT res;
    DIR dir;
    UINT i;
    static FILINFO fno;


    res = f_opendir(&dir, path);                   /* Open the directory */
    if (res == FR_OK) {
        for (;;) {
            res = f_readdir(&dir, &fno);           /* Read a directory item */
            if (fno.fname[0] == 0) break;          /* Break on error or end of dir */
            if (fno.fattrib & AM_DIR) {            /* The item is a directory */
                i = strlen(path);
                sprintf(&path[i], "/%s", fno.fname);
                res = scan_files(path);            /* Enter the directory */
                if (res != FR_OK) break;
                path[i] = 0;
            } else {                               /* The item is a file. */
                printf("%s/%s\n", path, fno.fname);
            }
        }
        f_closedir(&dir);
    }

    return res;
}


int main (void)
{
    FATFS fs;
    FRESULT res;
    char buff[256];


    res = f_mount(&fs, "", 1);
    if (res == FR_OK) {
        strcpy(buff, "/");
        res = scan_files(buff);
    }

    return res;
}