- Deal with some signedness issues
- Deal with some size issues
- Deal with NULL pointer issues
- Deal with some -Wunused issues
Change-Id: I1479dd90d690084491bae3475f2c547833519a57
The code is from NetBSD, with the -n and -h options removed to make
porting easy. Also, removed support for the BLOCKSIZE environment
variable for the same reason.
Change-Id: Ib927ff3527e02802785fdd7f75bab1f05222918e