Function rmdir

components/dfs/dfs_v2/src/dfs_posix.c:862–918

* this function is a POSIX compliant version, which will remove a directory. * * @param pathname the path name to be removed. * * @return 0 on successful, others on failed. */

 * @return 0 on successful, others on failed.
 */
int rmdir(const char *pathname)
{
    int result;
    DIR *dir = RT_NULL;
    struct stat stat;

    if (!pathname)
    {
        rt_set_errno(-EPERM);
        return -1;
    }

    dir = opendir(pathname);
    if (dir)
    {
        struct dirent *dirent;

        while (1)
        {
            dirent = readdir(dir);
            if (dirent == RT_NULL)
                break;
            if (rt_strcmp(".", dirent->d_name) != 0 &&
                rt_strcmp("..", dirent->d_name) != 0)
            {
                break;
            }
        }

        closedir(dir);

        if (dirent)
        {
            rt_set_errno(-EPERM);
            return -1;
        }
    }

    if (dfs_file_lstat(pathname, &stat) == 0)
    {
        if (S_ISLNK(stat.st_mode))
        {
            rt_set_errno(-EPERM);
            return -1;
        }
    }

    result = dfs_file_unlink(pathname);
    if (result < 0)
    {
        rt_set_errno(result);

        return -1;
    }

    return 0;
}
RTM_EXPORT(rmdir);