also test for EEXIST (which is returned by some OSes).

that we don't use the name in the destination path and save files
into a higher destination directory.

MAXPATHLEN, die with an overflow error.

make certain that the static value is always set correctly anytime
we call out to another function.

back when the generator had a writeable pipe to the receiver.

to avoid confusion with the server that rsync runs in a normal
remote-shell transfer.

- Improved the description of --list-only.
- Added a VERSION section, like the rsyncd.conf manpage.

to avoid confusion with the server that rsync runs in a normal
remote-shell transfer.

length of the argstr[] array.

- Tweaked the --log-format option's description.
- Added a comment.

empty file list.

  to the top in an "OUTPUT CHANGES" section.
- Added a mention of the generator's new output-flushing optimization.

regular files.

what protocol level is in effect.  This guards against the
generator timing out when the output pipe is full and the input
pipe (to the receiver) is slow.

slash, make sure we strip of the trailing "/." from the dir's len
(in del_hier_name_len) so that its subdirs get marked with
FLAG_DEL_HERE.

--copy-dest.

difference in how the code behaves due to how it is called).