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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [gnulib/] [wchar.in.h] - Blame information for rev 493

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1 227 jeremybenn
/* A substitute for ISO C99 <wchar.h>, for platforms that have issues.
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   Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3, or (at your option)
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   any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software Foundation,
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   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
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/* Written by Eric Blake.  */
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/*
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 * ISO C 99 <wchar.h> for platforms that have issues.
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 * <http://www.opengroup.org/susv3xbd/wchar.h.html>
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 *
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 * For now, this just ensures proper prerequisite inclusion order and
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 * the declaration of wcwidth().
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 */
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#ifndef _GL_WCHAR_H
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/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
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   <wchar.h>.
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   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
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   included before <wchar.h>.  */
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#include <stddef.h>
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#include <stdio.h>
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#include <time.h>
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/* Include the original <wchar.h> if it exists.
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   Some builds of uClibc lack it.  */
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/* The include_next requires a split double-inclusion guard.  */
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#if @HAVE_WCHAR_H@
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# @INCLUDE_NEXT@ @NEXT_WCHAR_H@
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#endif
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#ifndef _GL_WCHAR_H
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#define _GL_WCHAR_H
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/* The definition of GL_LINK_WARNING is copied here.  */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Return the number of screen columns needed for WC.  */
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#if @GNULIB_WCWIDTH@
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# if @REPLACE_WCWIDTH@
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#  undef wcwidth
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#  define wcwidth rpl_wcwidth
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extern int wcwidth (wchar_t);
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# else
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#  if !defined wcwidth && !@HAVE_DECL_WCWIDTH@
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/* wcwidth exists but is not declared.  */
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extern int wcwidth (int /* actually wchar_t */);
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#  endif
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef wcwidth
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# define wcwidth(w) \
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    (GL_LINK_WARNING ("wcwidth is unportable - " \
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                      "use gnulib module wcwidth for portability"), \
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     wcwidth (w))
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _GL_WCHAR_H */
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#endif /* _GL_WCHAR_H */

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