octave-lojdl/gnulib-hg: lib/wcwidth.c annotate

annotate lib/wcwidth.c @ 16229:daac1ca4c436

inttypes: Modernize. * lib/inttypes.in.h (strtoimax, strtoumax): Use the C++ safe idioms. * modules/inttypes-incomplete (Depends-on): Add snippet/c++defs. (Makefile.am): Update inttypes.h rule.

author	Bruno Haible <bruno@clisp.org>
date	Thu, 05 Jan 2012 18:42:08 +0100
parents	8250f2777afc
children	a9e289a3a38d

rev	line source
9071 ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	1 /* Determine the number of screen columns needed for a character.
16201 8250f2777afc maint: update all copyright year number ranges Jim Meyering <meyering@redhat.com> parents: 14079 diff changeset	2 Copyright (C) 2006-2007, 2010-2012 Free Software Foundation, Inc.
9071 ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	3
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 9075 diff changeset	4 This program is free software: you can redistribute it and/or modify
9071 ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	5 it under the terms of the GNU General Public License as published by
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 9075 diff changeset	6 the Free Software Foundation; either version 3 of the License, or
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 9075 diff changeset	7 (at your option) any later version.
9071 ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	8
ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	9 This program is distributed in the hope that it will be useful,
ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	10 but WITHOUT ANY WARRANTY; without even the implied warranty of
ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	12 GNU General Public License for more details.
ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	13
ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	14 You should have received a copy of the GNU General Public License
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 9075 diff changeset	15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
9071 ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	16
ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	17 #include <config.h>
ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	18
ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	19 /* Specification. */
9073 eff03f4ce262 Remove the wcwidth.h file. Move wcwidth's declaration to wchar_.h. Bruno Haible <bruno@clisp.org> parents: 9071 diff changeset	20 #include <wchar.h>
9071 ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	21
ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	22 /* Get iswprint. */
ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	23 #include <wctype.h>
ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	24
9075 4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	25 #include "localcharset.h"
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	26 #include "streq.h"
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	27 #include "uniwidth.h"
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	28
13135 3500e68d2a04 wcwidth: Fix C++ test error on mingw. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	29 int
3500e68d2a04 wcwidth: Fix C++ test error on mingw. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	30 wcwidth (wchar_t wc)
9075 4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	31 #undef wcwidth
9071 ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	32 {
9075 4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	33 /* In UTF-8 locales, use a Unicode aware width function. */
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	34 const char *encoding = locale_charset ();
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	35 if (STREQ (encoding, "UTF-8", 'U', 'T', 'F', '-', '8', 0, 0, 0 ,0))
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	36 {
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	37 /* We assume that in a UTF-8 locale, a wide character is the same as a
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	38 Unicode character. */
9075 4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	39 return uc_width (wc, encoding);
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	40 }
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	41 else
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	42 {
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	43 /* Otherwise, fall back to the system's wcwidth function. */
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	44 #if HAVE_WCWIDTH
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	45 return wcwidth (wc);
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	46 #else
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	47 return wc == 0 ? 0 : iswprint (wc) ? 1 : -1;
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	48 #endif
4d262fc1845c Work around MacOS X wcwidth(0x0301) bug. Bruno Haible <bruno@clisp.org> parents: 9073 diff changeset	49 }
9071 ee2dc6c88b11 Provide wcwidth replacement in separate file wcwidth.c. Bruno Haible <bruno@clisp.org> parents: diff changeset	50 }

Mercurial > hg > octave-lojdl > gnulib-hg

annotate lib/wcwidth.c @ 16229:daac1ca4c436