Commit Graph

328 Commits

Author SHA1 Message Date
wblock
f86fec2e86 Add a standards compliance note for strtok_r as suggested by cpercival.
Reviewed by:	cpercival
MFC after:	1 week
2016-01-22 20:36:03 +00:00
brooks
e7eafcf596 Avoid reading pass the end of the source buffer when it is not NUL
terminated.

If this buffer is adjacent to an unmapped page or a version of C with
bounds checked is used this may result in a crash.

PR:		206178
Submitted by:	Alexander Cherepanov <cherepan@mccme.ru>
MFC after:	1 week
2016-01-13 21:50:08 +00:00
brooks
50e4d892f3 Avoid reading pass the end of the source buffer when it is not NUL
terminated.

If this buffer is adjacent to an unmapped page or a version of C with
bounds checked is used this may result in a crash.

PR:		206177
Submitted by:	Alexander Cherepanov <cherepan@mccme.ru>
MFC after:	1 week
2016-01-13 21:49:01 +00:00
bapt
ffec40a708 collate: Fix expansion substitions (broken upstream too)
Through testing, the user noted that some Cyrillic characters were not
sorting correctly, and this was confirmed.

After extensive testing and review, the localedef tool was eliminated
as the culprit.  The sustitutions were encoded correctly in LC_COLLATE.

The error was mainly in wcscoll where character expansions were
mishandled.  The main directive pass routines had to be written to
go back for a new collation value when the "state" variable was set.
Before pointers were being advanced, the second lookup was gettting
applied to the wrong character, etc.

The "eat expansion codes" section on collate.c also had a bug.  Later
own, the "state" variable logic was changed to only set if next
code was greater than zero (rather than >= 0).

Some additional cleanups got captured from previous work:
1) The previous commit moved the binary search comment from the
   correct location to a wrong location because it's wrong upstream
   in Illumos.  The comment has little value so I just removed it.
2) Don't check if pointers are null before freeing, this is
   redundant as free() handles null pointers.
3) The two binary search trees were standardized wrt initialization
4) On the binary search trees, a negative "high" exits rather than
   checking the table count again.

Submitted by:	marino
Obtained from:	DragonflyBSD
2015-10-23 23:24:03 +00:00
bapt
d93a511528 Merge from head 2015-10-19 11:51:10 +00:00
cem
bb2ba2b058 Document bitset(9) 2015-10-17 19:55:58 +00:00
bapt
c8d6d4a785 Merge from head 2015-10-13 19:44:36 +00:00
rodrigc
0046fafdb2 Add declaration to eliminate -Wmissing-prototypes warning. 2015-09-20 03:51:15 +00:00
delphij
ccb05b74c8 Replace strndup with OpenBSD's implementation.
MFC after:	2 weeks
2015-08-26 23:28:10 +00:00
bapt
2a77c3b71d Merge from HEAD 2015-08-25 20:14:50 +00:00
araujo
8ff00506cb Fix spelling.
Reviewed by:		wblock, pfg
Approved by:		bapt (mentor)
Differential Revision:	D3380
2015-08-24 01:53:18 +00:00
araujo
d3a80abb42 Update bzero(3) manpage to following the Posix Standard.
Reviewed by:		wblock, pfg
Approved by:		bapt (mentor)
Differential Revision:	D3380
2015-08-24 01:51:10 +00:00
araujo
0488e0470d Make clear the bcopy(3) manpage regards when it was marked as LEGACY
as well as when it was removed from POSIX specification.

Reviewed by:		theraven, wblock, bapt, rodrigc
Approved by:		bapt, rodrigc (mentor)
Differential Revision:	D3374
2015-08-14 01:27:30 +00:00
araujo
2115d98b6b Remove the mention of memcpy(3) that is build on top of bcopy(3).
Fix some phrases to make it more clear.

Differential Revision:	D3378
Reported by:		bde@
Reviewed by:		wblock
Approved by:		bapt, rodrigc (mentor)
Sponsored by:		gandi.net
2015-08-13 02:31:23 +00:00
araujo
b9e6da17b9 Describe that bcopy(3) is deprecated and marked as LEGACY in
POSIX.1-2001 and removed from the specification in POSIX.1-2008.
New softwares shall use memcpy(3) or memmove(3).

Differential Revision:	D3358
Reviewed by:		wblock
Approved by:		rodrigc
Sponsored by:		gandi.net
2015-08-12 00:49:20 +00:00
bapt
d3c45097d3 Update wcscoll forgotten in previous patch 2015-08-09 17:08:18 +00:00
bapt
d68017be3a Fix typo
Remove useless tests before free()

Suggested by:	jilles
2015-08-09 00:19:14 +00:00
bapt
11a5726cda The collate functions within libc have been using version 1 and 1.2 of the
packed LC_COLLATE binary formats. These were generated with the colldef
tool, but the new LC_COLLATE files are going to be generated by the new
localedef tool using CLDR POSIX files as input.  The BSD-flavored
version of localedef identifies the format as "BSD 1.0".  Any
LC_COLLATE file with a different version will simply not be loaded, and
all LC* categories will get set to "C" (aka "POSIX") locale.

This work is based off of Nexenta's contribution to Illumos.
The integration with xlocale is John Marino's work for Dragonfly.

The following commits will enable localedef tool, disable the colldef
tool, add generated colldef directory, and finally remove colldef from
base.

The only difference with Dragonfly are:
- a few fixes to build with clang
- And identification of the flavor as "BSD 1.0" instead of "Dragonfly 4.4"

Obtained from:	Dragonfly
2015-08-07 23:41:26 +00:00
jilles
bc19279e14 strchr(3): Mdoc fixes. 2015-06-04 21:54:46 +00:00
emaste
d45a21328b memmem(3): empty little string matches the beginning of the big string
This function originated in glibc, and this matches their behaviour
(and NetBSD, OpenBSD, and musl).

An empty big string (arg "l") is handled by the existing
l_len < s_len test.

Reviewed by:	bapt, ngie
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D2657
2015-05-26 21:16:07 +00:00
pfg
4574c7f3fb Make strlcpy/strlcat slightly easier to read.
Bring small upstream updates.

Obtained from:	OpenBSD
2015-04-06 03:21:22 +00:00
brueffer
9031d3b270 Various mdoc fixes and a few EOL whitespace removals.
Found with:	mandoc -Tlint
2014-12-21 12:36:36 +00:00
delphij
c27f7c8888 Remove duplicated code.
Suggested by:	jmg
2014-10-16 22:04:07 +00:00
delphij
7ec118515f Add MLINK for explicit_bzero(3) and bump .Dd date.
MFC after:	2 weeks
2014-10-07 04:59:11 +00:00
delphij
e23313b949 Add explicit_bzero(3) and its kernel counterpart.
Obtained from:	OpenBSD
MFC after:	2 weeks
2014-10-07 04:54:11 +00:00
bapt
2cd08a1172 use .Mt to mark up email addresses consistently (part4)
PR:		191174
Submitted by:	Franco Fichtner  <franco at lastsummer.de>
2014-06-23 08:25:03 +00:00
pfg
f14a9b1c1e Fix strcasecmp_l() and strncasecmp_l() POSIX 2008 compliance.
POSIX.1-2008 specifies that those two functions should be declared by
including <strings.h>, not <string.h> (the latter only has strcoll_l()
and strxfrm_l()):

http://pubs.opengroup.org/onlinepubs/9699919799/functions/strcasecmp.html

Obtained from:	DragonFlyBSD
Reviewed by:	theraven
MFC after:	2 weeks
2014-05-30 01:09:07 +00:00
allanjude
418c5c97b2 Emphasis on 'do not' and 'complement' in the strcspn(3)
Replace literal parentheses with .Po/.Pc

Approved by:	wblock (mentor)
2014-05-27 04:30:56 +00:00
allanjude
001dede6f0 Merge strcspn.3 into strspn.3 and clarify the explaination of what they do
Detach strcspn.3 from the build
Add strcspn.3 to MLINKS do it will be symlinked to strspn.3

Approved by:	eadler (mentor), bcr (mentor)
2014-05-25 18:40:32 +00:00
eadler
199b636254 libc man pages: Remove reference to non-existent FreeBSD Security
Architecture

MFC After:	3 days
2014-03-07 15:35:54 +00:00
marcel
99c9726a00 Replace use of ${.CURDIR} by ${LIBC_SRCTOP} and define ${LIBC_SRCTOP}
if not already defined. This allows building libc from outside of
lib/libc using a reach-over makefile.

A typical use-case is to build a standard ILP32 version and a COMPAT32
version in a single iteration by building the COMPAT32 version using a
reach-over makefile.

Obtained from:	Juniper Networks, Inc.
2014-03-04 02:19:39 +00:00
eadler
9810ff6978 Fix typo: site_t -> size_t
Obtained From:	DragonflyBSD (1ac92c8c857a15dc010924c5f066da404e568640)
2013-11-10 04:06:46 +00:00
gjb
af4516470b Fix .Dd after r257646.
DST affects the day by one hour, but the number of days in the
week stay the same.
2013-11-05 21:47:00 +00:00
eadler
65182b9501 Use OpenBSD's revamped description of strlcpy and strlcat.
This explanation is supposed to be simpler and better.  In particular
"comparing it to the snprintf API provides lots of value, since it raises the
bar on understanding, so that programmers/auditors will a better job calling
all 3 of these functions."

Requested by:	deraadt@cvs.openbsd.org
Obtained From:	OpenBSD
Reviewed by:	cperciva
2013-11-04 19:05:31 +00:00
jilles
ee4b8e07a8 libc: Always use our own copy of sys_errlist and sys_nerr (.so only).
This ensures strerror() and friends continue to work correctly even if a
(non-PIE) executable linked against an older libc imports sys_errlist (which
causes sys_errlist to refer to the executable's copy with a size fixed when
that executable was linked).

The executable's use of sys_errlist remains broken because it uses the
current value of sys_nerr and may access past the bounds of the array.

Different from the message "Using sys_errlist from executables is not
ABI-stable" on freebsd-arch, this change does not affect the static library.
There seems no reason to prevent overriding the error messages in the static
library.
2013-08-31 22:32:42 +00:00
emaste
324e4c082c Renumber clauses to reduce diffs to other versions
NetBSD, OpenBSD, and Android's Bionic number the clauses 1 through 3,
so follow suit to make comparison easier.
2013-05-28 20:57:40 +00:00
zeising
128087cd6d Create a symlink from strchrnul.3 to strchr.3.
This was forgotten in the initial commit of strchrnul()

Approved by:	theraven
2013-03-06 19:59:42 +00:00
zeising
742b0cd5e4 Add strchrnul(), a GNU function similar to strchr(), except that it returns
a pointer to the end of the string, rather than NULL, if the character was
not found.

Approved by:	theraven
2013-02-13 15:46:33 +00:00
eadler
02d21d96e0 clarify the wording for 'first' and 'last'
Approved by:	wblock
MFC after:	3 days
2012-09-30 03:25:04 +00:00
jilles
398bf0a7ed strsignal(): Reindent. 2012-09-19 19:22:24 +00:00
jilles
766649e667 strsignal(): Do not append signal numbers to messages for known signals.
Messages for known signals looked like "Terminated: 15" instead of
"Terminated".
2012-09-19 19:21:22 +00:00
emaste
6856a42290 Correct BUGS description of static buffer use
Since r142667 strerror has unconditionally returned a pointer to a
static buffer.

MFC after:	1 week
2012-07-27 21:38:14 +00:00
issyl0
47822f6690 Add the functions documented in the man pages in commit 237393 to the
relevant Makefile.

Reminded by:	gavin
Approved by:	gabor (mentor)
MFC after:	5 days
2012-06-21 18:28:48 +00:00
issyl0
0482bcac1d Add more locale-specific functions to the relevant man pages:
- libc/string/strcoll.3
- libc/string/strstr.3
- libc/string/strxfrm.3
- libc/string/strcasecmp.3

Reviewed by:	theraven, gabor
Approved by:	gabor (mentor)
MFC after:	5 days
2012-06-21 12:52:15 +00:00
gjb
8670397617 General mdoc(7) and typo fixes.
PR:		167734
Submitted by:	Nobuyuki Koganemaru (kogane!jp.freebsd.org)
MFC after:	3 days
2012-05-11 20:06:46 +00:00
eadler
1ef5fe44d3 Remove trailing whitespace per mdoc lint warning
Disussed with:	gavin
No objection from:	doc
Approved by:	joel
MFC after:	3 days
2012-03-29 05:02:12 +00:00
kib
2d67979212 Fix indentation.
MFC after:	3 days
2012-03-14 15:30:59 +00:00
eadler
47d5c92c94 POSIX mandates that swab do nothing when len < 0
PR:		kern/140690
Submitted by:	Jeremy Huddleston <jeremyhu@apple.com>
Approved by:	cperciva
MFC after:	2 weeks
2012-03-04 16:39:08 +00:00
eadler
ffb285ee19 Add err(3) to strerror(3) SEE ALSO section
PR:		docs/164940
Submitted by:	Niclas Zeising <zeising@daemonic.se>
Approved by:	cperciva
MFC after:	3 days
2012-02-16 05:06:07 +00:00
ed
064404aac9 Change index() and rindex() to a weak alias.
This allows people to still write statically linked applications that
call strchr() or strrchr() and have a local variable or function called
index.

Discussed with:	bde@
2012-01-05 10:32:53 +00:00