wireguard-openbsd/bin/mv, branch jd/simplify-queueing

When system calls indicate an error they return -1, not some arbitrary

2019-06-28T13:34:58Z

value < 0. errno is only updated in this case. Change all (most?) callers of syscalls to follow this better, and let's see if this strictness helps us in the future.

mv imitates, but no longer uses, cp and rm to cross filesystems.

2018-11-14T15:53:31Z

add -v to SYNOPSIS and STANDARDS;

2017-06-28T06:24:38Z

add a -v verbose flag to cp, mv, and rm. useful for monitoring progress,

2017-06-27T21:43:46Z

and present on several other systems. some ok, some less ok. from Job Snijders

Remove now-unused pathnames.h, from Jan Stary

2016-10-11T16:16:44Z

don't need to worry about pre/post order and skipping directories.

2016-10-10T18:13:21Z

remove more dead code

zap extra includes

2016-10-10T18:10:40Z

remove some more dead code. (previous diff from Jan Stary)

2016-10-10T18:09:40Z

remove some dead code that's only used in rm

2016-10-10T18:07:03Z

stop linking mv(1) to libutil, since that isn't used.

2016-02-01T22:38:01Z

OK guenther@ nicm@