fix various typos in comments.

PR/57313: Timo Buhrmester: Don't bail if "." cannot be opened. From FreeBSD

find: use POSIX strtoll(3) instead of legacy strtoq(3)

find: use POSIX type uint32_t instead of u_int32_t

Inspired by PR pkg/53543

When calculating the length of the args that can be
appended in a "find .... -exec something {} +"
usage, remember to allow for the arg pointers, which
form part of what is

Inspired by PR pkg/53543

When calculating the length of the args that can be
appended in a "find .... -exec something {} +"
usage, remember to allow for the arg pointers, which
form part of what is allowed in ARG_MAX.

From a fairly empty installation of HEAD on amd64
and with a "/tmp/args" command that simply prints
its arg count, and the length of the arg strings,
with this mod I see ..

netbsd# find / -exec /tmp/args {} +
Argc 5000 Arglen 107645
Argc 5000 Arglen 151324
Argc 5000 Arglen 187725
Argc 5000 Arglen 206591
Argc 5000 Arglen 172909
Argc 5000 Arglen 186264
Argc 5000 Arglen 167906
Argc 2881 Arglen 98260

The upper limit of 5000 args is in the code.

Using the biggest of those, 5000
args, plus 206591 bytes of strings
uses 246591 bytes total (this excludes
the command name, so add a few more).
That's fairly close to the ARG_MAX
of 262144.

On another system (with longer paths) I see:
(this is just a small part of the output, using a
different version of the dummy command, and a
slightly different invocation)

Args: 4546 Len 218030
Args: 4878 Len 217991
Args: 4813 Len 218028
Args: 4803 Len 218029

There, 4878*8 + 217991 == 257015 which is about
as close as we'd want to come to the arg limit.

XXX pullup -8

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PR/52295: Anthony Mallet: find -delete: "relative path not safe" with absolute
paths ... Fix from OpenBSD

Fix missing quote. Resolve automated test failure.

Add new primaries -asince, -csince, and -since to compare file's
attributes against a user-specified timestamp (rather than the
attributes of a reference file).

Update the parse routines so they hav

Add new primaries -asince, -csince, and -since to compare file's
attributes against a user-specified timestamp (rather than the
attributes of a reference file).

Update the parse routines so they have access to the name of the
option being parsed. This enables accurate error reporting for
"aliases" of primaries.

Now that aliases work, introduce some aliases for consistency with
Gnu findutils.

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Extend the numeric handling for uids with -user to gids with -group, and
document it. Leftover bit of PR 46158.

find(1): Compare timestamp in nsec scale in -anewer/-cnewer/-newer.

Make order of words in comment consistent with that within other
comments (helps with search actions).

Patch from Bug Hunting.

rest of previous.
BQS: 1. dholland: 0.

typo in comment

Use C89 function definitions

Fix unchecked malloc, check for overflow (Maksymilian Arciemowicz)
While here, remove unused casts, fix types.

Don't error out while searching for empty directories, from FreeBSD:

http://lists.freebsd.org/pipermail/svn-src-head/2010-December/022913.html

Fix "-exec blah blah {} +" so it only matches when the {} is last, as
per the standard. Per (brief) discussion on tech-userlevel.

There should really be a form where you can do the equivalent of
"-e

Fix "-exec blah blah {} +" so it only matches when the {} is last, as
per the standard. Per (brief) discussion on tech-userlevel.

There should really be a form where you can do the equivalent of
"-exec blah {} blah +", but I think we're going to need to call it
something other than -exec. As it is it's sort of surprising that the
standards people didn't add a different name -- note what happens if
you try to do something like "find ... -exec expr {} + 2 \;".

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Add the '-E' option to interpret regexes as extended regexes. While we
are here, fix ordering in usage information by putting '-X' in the proper
place.

Addition of '-E' was discussed on tech-userlev

Add the '-E' option to interpret regexes as extended regexes. While we
are here, fix ordering in usage information by putting '-X' in the proper
place.

Addition of '-E' was discussed on tech-userlevel.

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eliminate MFSNAMELEN

Add -delete from FreeBSD.

fix spello (from Anon Ymous)

Adapt find to the move of string_to_flags() and flags_to_string() to
libutil.

eliminate alloca use.

All members of PLAN should be initialized.

De-__P(), remove trailing spaces, sprinkle a few const, WARNS=4.