From fe856aa957978504137c1d425815d4ed8a22be40 Mon Sep 17 00:00:00 2001 From: Ton Voon Date: Wed, 24 Jan 2007 22:47:25 +0000 Subject: Sync with gnulib - lots of extraneous code removed in preference to GNU code git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1580 f882894a-f735-0410-b71e-b25c423dba1c --- gl/wcwidth.h | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 gl/wcwidth.h (limited to 'gl/wcwidth.h') diff --git a/gl/wcwidth.h b/gl/wcwidth.h new file mode 100644 index 00000000..8ed5ff8c --- /dev/null +++ b/gl/wcwidth.h @@ -0,0 +1,57 @@ +/* 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 2, 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#ifndef _gl_WCWIDTH_H +#define _gl_WCWIDTH_H + +#if HAVE_WCHAR_T + +/* Get wcwidth if available, along with wchar_t. */ +# include + +/* Get iswprint. */ +# include + +# ifndef HAVE_DECL_WCWIDTH +"this configure-time declaration test was not run" +# endif +# ifndef wcwidth +# if !HAVE_WCWIDTH + +/* wcwidth doesn't exist, so assume all printable characters have + width 1. */ +static inline int +wcwidth (wchar_t wc) +{ + return wc == 0 ? 0 : iswprint (wc) ? 1 : -1; +} + +# elif !HAVE_DECL_WCWIDTH + +/* wcwidth exists but is not declared. */ +extern +# ifdef __cplusplus +"C" +# endif +int wcwidth (int /* actually wchar_t */); + +# endif +# endif + +#endif /* HAVE_WCHAR_T */ + +#endif /* _gl_WCWIDTH_H */ -- cgit v1.2.3-74-g34f1