Commit Graph

28 Commits

Author SHA1 Message Date
Mateusz Piotrowski
dd74471e49 ctime.3: Add a cross-reference to clock_gettime(2)
MFC after:	1 week
2022-03-04 17:49:34 +01:00
Kyle Evans
a2c51da658 tzcode: fix tz change detection logic
clock_gettime() returns 0 if it succeeds, so don't capture that into the
fail logic.  With this, WITH_DETECT_TZ_CHANGES successfully detects a
change after 61 seconds.

Reviewed by:	imp, trasz
Differential Revision:	https://reviews.freebsd.org/D33494
2021-12-21 12:01:24 -06:00
Edward Tomasz Napierala
6f43f86bf3 tzcode: Fix operation without WITH_DETECT_TZ_CHANGES
Reviewed By:	bdrewery, kevans, cy
Reported By:	lwhsu, bdrewery
Fixes:		ddedf2a11e
Sponsored by:	NetApp, Inc.
Sponsored by:	Klara, Inc.
Differential Revision:	https://reviews.freebsd.org/D31961
2021-09-14 20:17:50 +00:00
Edward Tomasz Napierala
ddedf2a11e tzcode: Implement timezone change detection
Implement optional timezone change detection for local time libc
functions.  This is disabled by default; set WITH_DETECT_TZ_CHANGES
to build it.

Reviewed By:	imp
Sponsored by:	NetApp, Inc.
Sponsored by:	Klara, Inc.
X-NetApp-PR:	#47
Differential Revision:	https://reviews.freebsd.org/D30183
2021-09-12 03:07:58 +00:00
Tim McNamara
d912068ad8 Remove duplicated lines in contrib/tzcode/stdtime/private.h
Note by imp: this is clearly a mis-merge from the vendor branch which
doesn't have this stutter in it.

Reviewed by:		imp@,ngie@
Pull Request:		https://github.com/freebsd/freebsd-src/pull/154
2021-05-31 16:03:37 -06:00
Gordon Bergling
1adf1a2e4c ctime(3): Bump .Dd after r362165
Reported by:	bcr (mentor)
Reviewed by:	bcr (mentor)
Approved by:	bcr (mentor)
X-MFC-With:	r362165
2020-06-17 11:57:48 +00:00
Gordon Bergling
5e3ca52e78 Add a HISTORY section to ctime(3)
Reviewed by:	bcr (mentor)
Approved by:	bcr (mentor)
Obtained from:	OpenBSD
MFC after:	7 days
Differential Revision:	https://reviews.freebsd.org/D24635
2020-06-14 05:08:15 +00:00
Conrad Meyer
33af263230 ctime.3: Use ASCII asterisks for C, not special unicode math glyphs
PR:		246656
Reported by:	danfe
2020-05-22 15:30:14 +00:00
Edward Tomasz Napierala
9436aa0e66 Remove no longer relevant comment, as suggested by imp@.
MFC after:	2 weeks
Sponsored by:	DARPA, AFRL
2018-10-30 15:44:16 +00:00
Edward Tomasz Napierala
02ba1d993f Remove useless call to access(2) from tzcode. Quoting OpenBSD:
> Remove doaccess variable and access(2) call since this interfers with
> applications like zdump(8) because pledge(2) doesn't allow access(2) to
> /usr/share/zoneinfo.
>
> millert@ better described why this call can go away:
>
> "This looks like an attempt to do access checks based on the real uid instead
> of the effective uid.  Basically for setuid programs we don't want to allow a
> user to set TZ to a path they should not be able to otherwise access.
>
> However, we already have a check for issetugid() above so I think the doaccess
> bits can just be removed and we can rely on open()."
>
> After discussion with tb@, deraadt@ and millert@, this was also OK'ed by them

Reviewed by:	imp
Obtained from:	OpenBSD
MFC after:	2 weeks
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D17701
2018-10-30 15:43:06 +00:00
Warner Losh
fbbd9655e5 Renumber copyright clause 4
Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by:	Jan Schaumann <jschauma@stevens.edu>
Pull Request:	https://github.com/freebsd/freebsd/pull/96
2017-02-28 23:42:47 +00:00
Ed Maste
26ab9a178c localtime: return NULL if time_t out of range of struct tm
Previously we would truncate tm.tm_year for any time_t corresponding to
a year that does not fit in int.  This issue was discovered because it
caused the bash-static build to fail when linking with LLD.

As reported by Rafael Espíndola:

    Configure has

    AC_FUNC_MKTIME

    which expands to a test of mktime that fails with the freebsd
    implementation. Given that, bash compiles a mktime.o file that
    defines just mktime and uses localtime. That goes in a .a file
    that is before libc.

    The freebsd libc defines mktime in localtime.o, which also defines
    localtime among other functions.

    When lld sees an undefined reference to mktime from libc, it uses
    the bash provided one and then tries to find a definition of
    localtime. It is found on libc's localtime.o, but now we have a
    duplicated error.

    The reason it works with bfd is that bash doesn't use mktime
    directly and the undefined reference from libc is resolved to the
    libc implementation. It would also fail to link if bash itself
    directly used mktime.

The bash-static configure test verifies that, for many values of t, either
localtime(t) returns NULL or mktime(localtime(t)) == t.  This test failed
when localtime returned a truncated tm_year.

This was fixed in tzcode in 2004 but has persisted in our tree since
rS2708.

Reported by:	Rafael Espíndola
Reviewed by:	bapt
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D9534
2017-02-15 15:32:29 +00:00
Baptiste Daroussin
a35c698d87 Incorporate a change from OpenBSD by millert@OpenBSD.org
Don't warn about valid time zone abbreviations.  POSIX
through 2000 says that an abbreviation cannot start with ':', and
cannot contain ',', '-', '+', NUL, or a digit.  POSIX from 2001
on changes this rule to say that an abbreviation can contain only
'-', '+', and alphanumeric characters from the portable character
set in the current locale.  To be portable to both sets of rules,
an abbreviation must therefore use only ASCII letters."  Adapted
from tzcode2015f.

This is needed to be able to update tzdata to a newer version

MFC after:	3 days
2016-10-08 17:46:29 +00:00
Craig Rodrigues
49ebf9da54 Merge:
commit 400ecf36bb0b73f6390f9641e6cb8bbfb91a5cfd
   Author: Paul Eggert <eggert@cs.ucla.edu>
   Date:   Fri Oct 12 07:53:12 2012 -0700

   Assume C89.

400ecf36bb
2015-10-08 11:42:15 +00:00
Enji Cooper
0b837c87ce Revert WiP to contrib/tzcode accidentally committed with r274364 2014-11-11 04:07:41 +00:00
Enji Cooper
ad11def521 Add baud rate support to telnet(1)
This implements part of RFC-2217

It's based off a patch originally written by Sujal Patel at Isilon, and
contributions from other Isilon employees.

PR: 173728
Phabric: D995
Reviewed by: markj, markm
MFC after: 2 weeks
Sponsored by: EMC / Isilon Storage Division
2014-11-11 04:06:05 +00:00
Gavin Atkinson
60506f4770 Fix typo. Note that although this file is under contrib, it has diverged
sufficiently from upstream (including a full whitespace commit and large
portions rewritten) that this change does not move us further from the
upstream.

PR:		docs/186608
Submitted by:	Jamie Landeg-Jones <jamie@dyslexicfish.net>
MFC after:	3 days
2014-05-15 03:08:20 +00:00
Benjamin Kaduk
1871769f1f tzfile.5: catch up to r204333
The stdtime sources were moved from lib/libc to contrib/tzcode, and tzfile.h
is not an installed header, so the man page refers to its location in the
source tree.

The documentation could be more clear about the internal nature of the
header, but those changes should go through upstream tzcode.

PR:	docs/176864
Approved by:	hrs (mentor)
2013-12-16 01:58:12 +00:00
Eitan Adler
b5828c5723 - set progname for use in usage()
PR:		bin/162908
Submitted by:	Oleg Ginzburg <olevole@olevole.ru>
Approved by:	sbruno@
MFC after:	3 days
2011-12-08 02:40:46 +00:00
Mikolaj Golub
1ed9dc778b Fix a memory leak in tzload().
Reported by:	valgrind
Reviewed by:	kib
MFC after:	3 days
2011-10-27 08:44:07 +00:00
Konstantin Belousov
8046e2fda0 Do not overallocate on the stack. Threaded code might use custom stack
size.

Reported by:	many
Tested by:	Jeremie Le Hen <jeremie@le-hen.org> (previous version)
Reviewed by:	jilles
Approved by:	re (bz)
MFC after:	2 weeks
2011-09-19 22:35:54 +00:00
Edwin Groothuis
f8768d2a1a Sync code with tzcode2010m
asctime.c:
* Set errno to EINVAL and return "??? ??? ?? ??:??:?? ????\n" if
  asctime_r is called with a NULL struct tm pointer.  (Note that
  asctime_r is called by ctime_r and asctime; asctime is called by
  ctime.)

localtime.c:
* Set errno to EINVAL and return WRONG if time1 is called with a
  NULL struct tm pointer; avoid dereference if a NULL struct tm
  pointer is passed to timelocal, timegm, or timeoff.  (Note that
  time1 is called by mktime, timegm, and timeoff; mktime is called
  by timelocal.)
* more core-avoidance work
* Change to set timezone and altzone based on time types with
  greatest transition times (for the benefit of Asia/Seoul).

zic.8:
* Warning about case-sensitivity of names, but not of abbrevations

zic.c:
* Conditionally output extra types with most-recently-use offsets
  last (for use by systems with pre-2011 versions of localtime.c,
  helping to ensure that globals "altzone and "timezone" get set
  correctly).

The code has been running for nearly four weeks on my laptop running
FreeBSD 8.1 without a problem.

MFC after:	1 month
2010-10-27 07:14:46 +00:00
Edwin Groothuis
c9e4fb34cb Make mandoc/mdocml happy.
Submitted by:	Uli(?) via gmane.comp.time.tz
2010-06-15 11:37:33 +00:00
Ed Maste
7775701f3a Update GRANDPARENTED text to match the contents of tzdata/factory r19879.
This eliminates "warning: time zone abbreviation differs from POSIX" on
installworld to an empty filesystem.

Reviewed by:	edwin
MFC after:	1 week
2010-05-03 22:32:26 +00:00
Edwin Groothuis
baae883ec4 Remove non-contributed code. 2010-02-25 21:29:40 +00:00
Edwin Groothuis
522a35959a Copy lib/libc/stdtime to contrib/tzcode/stdtime for the proper split
of contributed code and FreeBSD specific code.
2010-02-25 21:21:34 +00:00
Edwin Groothuis
97dcdbd450 From contrib/tzcode:
The Makefiles are leftovers from the copies and should live in usr.sbin/zic/*

From usr.sbin/zic:
The sources are from a vendor contributed source, therefore should
live in contrib/tzcode/zic.
2010-02-25 21:10:27 +00:00
Edwin Groothuis
605cf4275d Copy usr.sbin/zic to contrib/tzcode/zic for the proper split of
contributed code and FreeBSD specific code.
2010-02-25 06:53:46 +00:00