| Index: bison/src/bison/2.4.1/bison-2.4.1-src/lib/wcwidth.c
|
| ===================================================================
|
| --- bison/src/bison/2.4.1/bison-2.4.1-src/lib/wcwidth.c (revision 0)
|
| +++ bison/src/bison/2.4.1/bison-2.4.1-src/lib/wcwidth.c (revision 0)
|
| @@ -0,0 +1,51 @@
|
| +/* 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
|
| + }
|
| +}
|
|
|
| Property changes on: bison\src\bison\2.4.1\bison-2.4.1-src\lib\wcwidth.c
|
| ___________________________________________________________________
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| Added: svn:eol-style
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| + LF
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