Function fstatfs

components/dfs/dfs_v2/src/dfs_posix.c:775–801

* this function is a POSIX compliant version, which will return the * information about a mounted file system. * * @param fildes the file description. * @param buf the buffer to save the returned information. * * @return 0 on successful, others on failed. */

 * @return 0 on successful, others on failed.
 */
int fstatfs(int fildes, struct statfs *buf)
{
    int ret = -1;
    struct dfs_file *file;

    if (buf == NULL)
    {
        rt_set_errno(-EBADF);
        return -1;
    }

    /* get the fd */
    file = fd_get(fildes);
    if (file == NULL)
    {
        rt_set_errno(-EBADF);

        return -1;
    }

    if (dfs_is_mounted(file->dentry->mnt) == 0)
    {
        ret = file->dentry->mnt->fs_ops->statfs(file->dentry->mnt, buf);
    }

    return ret;
}
RTM_EXPORT(fstatfs);

/**