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/* A substitute for ISO C99 <wchar.h>, for platforms that have issues.
Copyright (C) 2007-2009 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, 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. */
/* Written by Eric Blake. */
/*
* ISO C 99 <wchar.h> for platforms that have issues.
* <http://www.opengroup.org/susv3xbd/wchar.h.html>
*
* For now, this just ensures proper prerequisite inclusion order and
* the declaration of wcwidth().
*/
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
#if defined __need_mbstate_t || (defined __hpux && ((defined _INTTYPES_INCLUDED && !defined strtoimax) || defined _GL_JUST_INCLUDE_SYSTEM_WCHAR_H)) || defined _GL_ALREADY_INCLUDING_WCHAR_H
/* Special invocation convention:
- Inside uClibc header files.
- On HP-UX 11.00 we have a sequence of nested includes
<wchar.h> -> <stdlib.h> -> <stdint.h>, and the latter includes <wchar.h>,
once indirectly <stdint.h> -> <sys/types.h> -> <inttypes.h> -> <wchar.h>
and once directly. In both situations 'wint_t' is not yet defined,
therefore we cannot provide the function overrides; instead include only
the system's <wchar.h>.
- On IRIX 6.5, similarly, we have an include <wchar.h> -> <wctype.h>, and
the latter includes <wchar.h>. But here, we have no way to detect whether
<wctype.h> is completely included or is still being included. */
#@INCLUDE_NEXT@ @NEXT_WCHAR_H@
#else
/* Normal invocation convention. */
#ifndef _GL_WCHAR_H
#define _GL_ALREADY_INCLUDING_WCHAR_H
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
<wchar.h>.
BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
included before <wchar.h>. */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
/* Include the original <wchar.h> if it exists.
Some builds of uClibc lack it. */
/* The include_next requires a split double-inclusion guard. */
#if @HAVE_WCHAR_H@
# @INCLUDE_NEXT@ @NEXT_WCHAR_H@
#endif
#undef _GL_ALREADY_INCLUDING_WCHAR_H
#ifndef _GL_WCHAR_H
#define _GL_WCHAR_H
/* The definition of GL_LINK_WARNING is copied here. */
#ifdef __cplusplus
extern "C" {
#endif
/* Define wint_t. (Also done in wctype.in.h.) */
#if !@HAVE_WINT_T@ && !defined wint_t
# define wint_t int
# ifndef WEOF
# define WEOF -1
# endif
#endif
/* Override mbstate_t if it is too small.
On IRIX 6.5, sizeof (mbstate_t) == 1, which is not sufficient for
implementing mbrtowc for encodings like UTF-8. */
#if !(@HAVE_MBSINIT@ && @HAVE_MBRTOWC@) || @REPLACE_MBSTATE_T@
typedef int rpl_mbstate_t;
# undef mbstate_t
# define mbstate_t rpl_mbstate_t
# define GNULIB_defined_mbstate_t 1
#endif
/* Convert a single-byte character to a wide character. */
#if @GNULIB_BTOWC@
# if @REPLACE_BTOWC@
# undef btowc
# define btowc rpl_btowc
# endif
# if !@HAVE_BTOWC@ || @REPLACE_BTOWC@
extern wint_t btowc (int c);
# endif
#elif defined GNULIB_POSIXCHECK
# undef btowc
# define btowc(c) \
(GL_LINK_WARNING ("btowc is unportable - " \
"use gnulib module btowc for portability"), \
btowc (c))
#endif
/* Convert a wide character to a single-byte character. */
#if @GNULIB_WCTOB@
# if @REPLACE_WCTOB@
# undef wctob
# define wctob rpl_wctob
# endif
# if (!defined wctob && !@HAVE_DECL_WCTOB@) || @REPLACE_WCTOB@
/* wctob is provided by gnulib, or wctob exists but is not declared. */
extern int wctob (wint_t wc);
# endif
#elif defined GNULIB_POSIXCHECK
# undef wctob
# define wctob(w) \
(GL_LINK_WARNING ("wctob is unportable - " \
"use gnulib module wctob for portability"), \
wctob (w))
#endif
/* Test whether *PS is in the initial state. */
#if @GNULIB_MBSINIT@
# if @REPLACE_MBSINIT@
# undef mbsinit
# define mbsinit rpl_mbsinit
# endif
# if !@HAVE_MBSINIT@ || @REPLACE_MBSINIT@
extern int mbsinit (const mbstate_t *ps);
# endif
#elif defined GNULIB_POSIXCHECK
# undef mbsinit
# define mbsinit(p) \
(GL_LINK_WARNING ("mbsinit is unportable - " \
"use gnulib module mbsinit for portability"), \
mbsinit (p))
#endif
/* Convert a multibyte character to a wide character. */
#if @GNULIB_MBRTOWC@
# if @REPLACE_MBRTOWC@
# undef mbrtowc
# define mbrtowc rpl_mbrtowc
# endif
# if !@HAVE_MBRTOWC@ || @REPLACE_MBRTOWC@
extern size_t mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps);
# endif
#elif defined GNULIB_POSIXCHECK
# undef mbrtowc
# define mbrtowc(w,s,n,p) \
(GL_LINK_WARNING ("mbrtowc is unportable - " \
"use gnulib module mbrtowc for portability"), \
mbrtowc (w, s, n, p))
#endif
/* Recognize a multibyte character. */
#if @GNULIB_MBRLEN@
# if @REPLACE_MBRLEN@
# undef mbrlen
# define mbrlen rpl_mbrlen
# endif
# if !@HAVE_MBRLEN@ || @REPLACE_MBRLEN@
extern size_t mbrlen (const char *s, size_t n, mbstate_t *ps);
# endif
#elif defined GNULIB_POSIXCHECK
# undef mbrlen
# define mbrlen(s,n,p) \
(GL_LINK_WARNING ("mbrlen is unportable - " \
"use gnulib module mbrlen for portability"), \
mbrlen (s, n, p))
#endif
/* Convert a string to a wide string. */
#if @GNULIB_MBSRTOWCS@
# if @REPLACE_MBSRTOWCS@
# undef mbsrtowcs
# define mbsrtowcs rpl_mbsrtowcs
# endif
# if !@HAVE_MBSRTOWCS@ || @REPLACE_MBSRTOWCS@
extern size_t mbsrtowcs (wchar_t *dest, const char **srcp, size_t len, mbstate_t *ps);
# endif
#elif defined GNULIB_POSIXCHECK
# undef mbsrtowcs
# define mbsrtowcs(d,s,l,p) \
(GL_LINK_WARNING ("mbsrtowcs is unportable - " \
"use gnulib module mbsrtowcs for portability"), \
mbsrtowcs (d, s, l, p))
#endif
/* Convert a string to a wide string. */
#if @GNULIB_MBSNRTOWCS@
# if @REPLACE_MBSNRTOWCS@
# undef mbsnrtowcs
# define mbsnrtowcs rpl_mbsnrtowcs
# endif
# if !@HAVE_MBSNRTOWCS@ || @REPLACE_MBSNRTOWCS@
extern size_t mbsnrtowcs (wchar_t *dest, const char **srcp, size_t srclen, size_t len, mbstate_t *ps);
# endif
#elif defined GNULIB_POSIXCHECK
# undef mbsnrtowcs
# define mbsnrtowcs(d,s,n,l,p) \
(GL_LINK_WARNING ("mbsnrtowcs is unportable - " \
"use gnulib module mbsnrtowcs for portability"), \
mbsnrtowcs (d, s, n, l, p))
#endif
/* Convert a wide character to a multibyte character. */
#if @GNULIB_WCRTOMB@
# if @REPLACE_WCRTOMB@
# undef wcrtomb
# define wcrtomb rpl_wcrtomb
# endif
# if !@HAVE_WCRTOMB@ || @REPLACE_WCRTOMB@
extern size_t wcrtomb (char *s, wchar_t wc, mbstate_t *ps);
# endif
#elif defined GNULIB_POSIXCHECK
# undef wcrtomb
# define wcrtomb(s,w,p) \
(GL_LINK_WARNING ("wcrtomb is unportable - " \
"use gnulib module wcrtomb for portability"), \
wcrtomb (s, w, p))
#endif
/* Convert a wide string to a string. */
#if @GNULIB_WCSRTOMBS@
# if @REPLACE_WCSRTOMBS@
# undef wcsrtombs
# define wcsrtombs rpl_wcsrtombs
# endif
# if !@HAVE_WCSRTOMBS@ || @REPLACE_WCSRTOMBS@
extern size_t wcsrtombs (char *dest, const wchar_t **srcp, size_t len, mbstate_t *ps);
# endif
#elif defined GNULIB_POSIXCHECK
# undef wcsrtombs
# define wcsrtombs(d,s,l,p) \
(GL_LINK_WARNING ("wcsrtombs is unportable - " \
"use gnulib module wcsrtombs for portability"), \
wcsrtombs (d, s, l, p))
#endif
/* Convert a wide string to a string. */
#if @GNULIB_WCSNRTOMBS@
# if @REPLACE_WCSNRTOMBS@
# undef wcsnrtombs
# define wcsnrtombs rpl_wcsnrtombs
# endif
# if !@HAVE_WCSNRTOMBS@ || @REPLACE_WCSNRTOMBS@
extern size_t wcsnrtombs (char *dest, const wchar_t **srcp, size_t srclen, size_t len, mbstate_t *ps);
# endif
#elif defined GNULIB_POSIXCHECK
# undef wcsnrtombs
# define wcsnrtombs(d,s,n,l,p) \
(GL_LINK_WARNING ("wcsnrtombs is unportable - " \
"use gnulib module wcsnrtombs for portability"), \
wcsnrtombs (d, s, n, l, p))
#endif
/* Return the number of screen columns needed for WC. */
#if @GNULIB_WCWIDTH@
# if @REPLACE_WCWIDTH@
# undef wcwidth
# define wcwidth rpl_wcwidth
extern int wcwidth (wchar_t);
# else
# if !defined wcwidth && !@HAVE_DECL_WCWIDTH@
/* wcwidth exists but is not declared. */
extern int wcwidth (int /* actually wchar_t */);
# endif
# endif
#elif defined GNULIB_POSIXCHECK
# undef wcwidth
# define wcwidth(w) \
(GL_LINK_WARNING ("wcwidth is unportable - " \
"use gnulib module wcwidth for portability"), \
wcwidth (w))
#endif
#ifdef __cplusplus
}
#endif
#endif /* _GL_WCHAR_H */
#endif /* _GL_WCHAR_H */
#endif
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