for (;;)
{
- status = mkdir (file_name, mode);
+ status = mkdirat (chdir_fd, file_name, mode);
if (status == 0)
{
current_mode = mode & ~ current_umask;
}
}
+ /* If O_NOFOLLOW is needed but does not work, check for a symlink
+ separately. There's a race condition, but that cannot be avoided
+ on hosts lacking O_NOFOLLOW. */
+ if (! O_NOFOLLOW && overwriting_old_files && ! dereference_option)
+ {
+ struct stat st;
+ if (fstatat (chdir_fd, file_name, &st, AT_SYMLINK_NOFOLLOW) == 0
+ && S_ISLNK (st.st_mode))
+ {
+ errno = ELOOP;
+ return -1;
+ }
+ }
+
fd = openat (chdir_fd, file_name, openflag, mode);
if (0 <= fd)
{