/* As an optimization, we allow some blobs to be "unhashed", meaning
* their SHA-1 message digests are unknown. This is the case with blobs
* that are added by scanning a directory tree with wimlib_add_image(),
/* As an optimization, we allow some blobs to be "unhashed", meaning
* their SHA-1 message digests are unknown. This is the case with blobs
* that are added by scanning a directory tree with wimlib_add_image(),