- for srm 1.2.10
 + check ext2 special flags, unremovable, immutable, appendonly
 + FreeBSD test, check st_flags in sunlink.c
 + check write() results in sunlink.c
 + check results of overwrite functions in sunlink.c
 + add progress spinner
 + check with ext4, jfs, xfs, reiserfs
 + make a library from sunlink.c so other programs can use the function
 + use only code in lib/ on platforms which don't have these functions
 + check for OS in configure.in
 + only compile files in lib/ depending on platform
 + use posix_fadvise()
 + merge with changes from http://www.opensource.apple.com/darwinsource/Current/srm-6/srm/src/

- HPux test
- Solaris test
- AIX test
- whatever POSIX platform test
