if (size > limit)
size = limit;
- /* Note the correct error handling here is tricky, because in the
- * case where the call returns a zero-length buffer, it might return
- * NULL. However it won't adjust rsize along the error path, so we
- * can set rsize to something beforehand and use that as a flag.
- */
- rsize = 1;
r = guestfs_pread (g, path, size, offset, &rsize);
- if (rsize == 1 && r == NULL)
+ if (r == NULL)
return error ();
/* This should never happen, but at least it stops us overflowing