+++ /dev/null
-/* Determine the number of screen columns needed for a character.
- Copyright (C) 2006, 2007 Free Software Foundation, Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-/* Specification. */
-#include <wchar.h>
-
-/* Get iswprint. */
-#include <wctype.h>
-
-#include "localcharset.h"
-#include "streq.h"
-#include "uniwidth.h"
-
-#undef wcwidth
-
-int
-rpl_wcwidth (wchar_t wc)
-{
- /* In UTF-8 locales, use a Unicode aware width function. */
- const char *encoding = locale_charset ();
- if (STREQ (encoding, "UTF-8", 'U', 'T', 'F', '-', '8', 0, 0, 0 ,0))
- {
- /* We assume that in a UTF-8 locale, a wide character is the same as a
- Unicode character. */
- return uc_width (wc, encoding);
- }
- else
- {
- /* Otherwise, fall back to the system's wcwidth function. */
-#if HAVE_WCWIDTH
- return wcwidth (wc);
-#else
- return wc == 0 ? 0 : iswprint (wc) ? 1 : -1;
-#endif
- }
-}