libc: Implement N2630.

This adds formatted input/output of binary integer numbers to the printf(), scanf(), and strtol() families, including their wide-character counterparts.

Reviewed by: imp, ema

libc: Implement N2630.

This adds formatted input/output of binary integer numbers to the printf(), scanf(), and strtol() families, including their wide-character counterparts.

Reviewed by: imp, emaste
Differential Revision: https://reviews.freebsd.org/D41511

(cherry picked from commit d9dc1603d6e48cca84cad3ebe859129131b8387c)

libc: Add unit tests for N2630 and possible collateral damage.

Reviewed by: imp, emaste
Differential Revision: https://reviews.freebsd.org/D41512

(cherry picked from commit b9385720f34b536ef2568a642e8b1fad0450056f)

libc: Document support for binary integers.

Reviewed by: debdrup, emaste
Differential Revision: https://reviews.freebsd.org/D41522

(cherry picked from commit 76edfabbecdec686a570b8e009d5ea4112f943e0)

libc: Fix fixed-width case in the new integer parser.

Fixes: d9dc1603d6e4
Differential Revision: https://reviews.freebsd.org/D41622

(cherry picked from commit aca3bd1602577591e5cd237c4bb0bb71b3be0c75)

libc: Add a wide version of snprintf_test.

Reviewed by: imp, emaste
Differential Revision: https://reviews.freebsd.org/D41726

(cherry picked from commit 4ec9ee9912765ac4ca57353999caa92a23283d8e)

libc: Suppress format checks on printf() / scanf() tests.

Reviewed by: jrtc27, markj, emaste
Differential Revision: https://reviews.freebsd.org/D41727

(cherry picked from commit 294bd2827e61a78041f6613f4b82235fcc454157)

Approved by: re (gjb)

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Remove $FreeBSD$: one-line nroff pattern

Remove /^\.\\"\s*\$FreeBSD\$$\n/

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.

Swap "underflow"/"overflow" in the table header.

Submitted by: Ricardo Nabinger Sanchez
MFC after: 3 days

Per Regents of the University of Calfornia letter, remove advertising
clause.

# If I've done so improperly on a file, please let me know.

o .Xr strtonum(3).

MFC after: 1 week

Especially mention that setting errno to EINVAL in "no conversion" case
is not portable.

Asked by: joerg

Add cross-references to wide character versions of these functions.

Style: One space between "restrict" qualifier and "*".

- Add the 'restrict' qualifier to the function prototypes and
definitions of the functions that convert strings to numbers
and are defined by IEEE Std 1003-1.2001.
- Use ANSI-C function defini

- Add the 'restrict' qualifier to the function prototypes and
definitions of the functions that convert strings to numbers
and are defined by IEEE Std 1003-1.2001.
- Use ANSI-C function definitions for all of the functions
mentioned above plus strtouq and strtoq.
- Update the prototypes in the manual pages.

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mdoc(7) police: fix markup, bump document date.

Implement strtoimax() and strtoumax()

mdoc(7) police: changed pure POSIX text; added missing markup bits.

Move to using .In instead of .Fd #include <> for include mark-up.

Inspired by comment from: dd

Locale *is* used in strto*l*(), at least for isspace(), so remove
'locale not used' statement from comments and BUGS section of manpage.

strtol(): fix non-portable 'cutoff' calculation using the sam

Locale *is* used in strto*l*(), at least for isspace(), so remove
'locale not used' statement from comments and BUGS section of manpage.

strtol(): fix non-portable 'cutoff' calculation using the same method as
in strtoll().

Cleanup 'cutoff' calculation, remove unneded casts. Misc. cleanup to
make all functions looks the same.

Implement EINVAL reaction per POSIX, document it in manpage, corresponding
POSIX example quotes here:

------------------------------------------------
If the subject sequence is empty or does not have the expected form, no
conversion is performed; the value of str is stored in the object pointed
to by endptr, provided that endptr is not a null pointer.

If no conversion could be performed, 0 shall be returned and errno may be
set to [EINVAL].

[EINVAL] The value of base is not supported.

Since 0, {LONG_MIN} or {LLONG_MIN}, and {LONG_MAX} or {LLONG_MAX} are
returned on error and are also valid returns on success, an application
wishing to check for error situations should set errno to 0, then call
strtol( ) or strtoll ( ), then check errno.
-----------------------------------------------------

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Merge in strtoul.3 rev 1.11 mdoc(7) police changes:
.Nd line broken in rev 1.10
use .Bx for ``BSD''

Impliment the ISO-C99 strto[u]ll()
and rewrite strto[u]q() in terms of it.

.St -ansiC -> .St -isoC

mdoc(7) police: split punctuation characters + misc fixes.

Prepare for mdoc(7)NG.

Use `Er' variable to define first column width in ERRORS section.

Introduce ".Lb" macro to libc manpages.

More libraries manpages updates following.

$Id$ -> $FreeBSD$

Add $Id$, to make it simpler for members of the translation teams to
track.

The $Id$ line is normally at the bottom of the main comment block in the
man page, separated from the rest of the manpage

Add $Id$, to make it simpler for members of the translation teams to
track.

The $Id$ line is normally at the bottom of the main comment block in the
man page, separated from the rest of the manpage by an empty comment,
like so;

.\" $Id$
.\"

If the immediately preceding comment is a @(#) format ID marker than the
the $Id$ will line up underneath it with no intervening blank lines.
Otherwise, an additional blank line is inserted.

Approved by: bde

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Fixed missing consts in synopsis.