Accommodate POSIX basename(3) that takes a non-const parameter and
may modify the string buffer.
ok martijn@ millert@

Quiet compiler warnings; as applied to usr.bin/cvs by millert@

ok millert@

rlog: add -E and -S options to configure revision separators, to
work around commits that might have the default strings in them

ok tom deraadt

Pull in <time.h> for struct tm, used in rcs.h

ok deraadt@

Replace <sys/param.h> with <limits.h> and other less dirty headers where
possible. Annotate <sys/param.h> lines with their current reasons. Switch
to PATH_MAX, NGROUPS_MAX, HOST_NAME_MAX+1, LOGIN_N

Replace <sys/param.h> with <limits.h> and other less dirty headers where
possible. Annotate <sys/param.h> lines with their current reasons. Switch
to PATH_MAX, NGROUPS_MAX, HOST_NAME_MAX+1, LOGIN_NAME_MAX, etc. Change
MIN() and MAX() to local definitions of MINIMUM() and MAXIMUM() where
sensible to avoid pulling in the pollution. These are the files confirmed
through binary verification.
ok guenther, millert, doug (helped with the verification protocol)

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consistency in calling usage, from Fritjof Bornebusch

Zap some stored values never read; From Fritjof Bornebusch; ok nicm@

exit in usage functions themselves; from Fritjof Bornebusch; ok nicm@

ctype cleanups; ok okan

properly handle commitid tokens found in rcs files

ok deraadt

spacing, no binary change.

Check date_parse return values.

OK xsa

Reduce variable/function name and whitespace differences between
cvs/rcs.

OK xsa zinovik

support rlog -d
prodded & tested by sthen@

Fix broken indentation introduced in last commit.
Spotted by Pierre Riteau.

From src/usr.bin/cvs:

> add changed lines support to log and rlog (the + and - stuff)
> from Pierre Riteau;

Have rlog exit 1 if any of the files could not be opened.
Don't mention -q flag, which is there for compatibility.

From Pierre Riteau.

OK joris for first part, OK niallo and jmc for second.

Sync revisions and time buffers size to be consistent with each others.
Simplifies further size tweaks if needed.
OK ray@.

As done in OpenCVS, general includes cleanup sweep. OK otto@.

- convert some warnx() to warn(), which fixes a few stupidly un-informative error messages (found by tom@)
- make rcs_choosefile() save wrt errno, input from ray@

ok joris@ xsa@

Remove rcs_statfile(). It was just a wrapper for rcs_choosefile(),
handling exceptions oddly.

OK joris@

Remove /* NOTREACHED */ comments, now that lint is smart about
__dead. I never should have put them there.

OK xsa@.

fix date format output if a timezone is specified (-z);

prevent file races by obtaining an fd for the RCS file and
do our operations on that, this is safe and guarantees we
can operate on the file until we close(2) it.

a fix is coming for the remaining r

prevent file races by obtaining an fd for the RCS file and
do our operations on that, this is safe and guarantees we
can operate on the file until we close(2) it.

a fix is coming for the remaining races in our diff code.
okay niallo@ and ray@

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fork our code we shared between openrcs/cvs into the openrcs dir.

this was starting to become inhuman to maintain without
ugly ugly hacks in the shared code, and it will be easier
to make specific c

fork our code we shared between openrcs/cvs into the openrcs dir.

this was starting to become inhuman to maintain without
ugly ugly hacks in the shared code, and it will be easier
to make specific changes for openrcs without touching the
soon-to-be-replaced opencvs code.

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