- if (H_GET_16 (abfd, hdr.e_cparhdr) < 4
- || bfd_seek (abfd, (file_ptr) H_GET_32 (abfd, hdr.e_lfanew), SEEK_SET) != 0
- || bfd_bread (buffer, (bfd_size_type) 2, abfd) != 2)
+ if (size < offsetof (struct external_DOS_hdr, e_lfanew) + 4
+ || H_GET_16 (abfd, hdr.e_cparhdr) < 4)
+ ;
+ else if (bfd_seek (abfd, H_GET_32 (abfd, hdr.e_lfanew), SEEK_SET) != 0
+ || bfd_bread (buffer, (bfd_size_type) 2, abfd) != 2)