Merge GDB 7.5.1

gdb/gnulib/wchar.in.h

-/* A substitute for ISO C99 <wchar.h>, for platforms that have issues.
-
-   Copyright (C) 2007-2011 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 __need_wint_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 glibc and 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>.
-   But avoid namespace pollution on glibc systems.  */
-#ifndef __GLIBC__
-# include <stddef.h>
-# include <stdio.h>
-# include <time.h>
-#endif
-
-/* 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 definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
-
-/* The definition of _GL_ARG_NONNULL is copied here.  */
-
-/* The definition of _GL_WARN_ON_USE is copied here.  */
-
-
-/* Define wint_t and WEOF.  (Also done in wctype.in.h.)  */
-#if !@HAVE_WINT_T@ && !defined wint_t
-# define wint_t int
-# ifndef WEOF
-#  define WEOF -1
-# endif
-#else
-# ifndef WEOF
-#  define WEOF ((wint_t) -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@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef btowc
-#   define btowc rpl_btowc
-#  endif
-_GL_FUNCDECL_RPL (btowc, wint_t, (int c));
-_GL_CXXALIAS_RPL (btowc, wint_t, (int c));
-# else
-#  if !@HAVE_BTOWC@
-_GL_FUNCDECL_SYS (btowc, wint_t, (int c));
-#  endif
-_GL_CXXALIAS_SYS (btowc, wint_t, (int c));
-# endif
-_GL_CXXALIASWARN (btowc);
-#elif defined GNULIB_POSIXCHECK
-# undef btowc
-# if HAVE_RAW_DECL_BTOWC
-_GL_WARN_ON_USE (btowc, "btowc is unportable - "
-                 "use gnulib module btowc for portability");
-# endif
-#endif
-
-
-/* Convert a wide character to a single-byte character.  */
-#if @GNULIB_WCTOB@
-# if @REPLACE_WCTOB@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef wctob
-#   define wctob rpl_wctob
-#  endif
-_GL_FUNCDECL_RPL (wctob, int, (wint_t wc));
-_GL_CXXALIAS_RPL (wctob, int, (wint_t wc));
-# else
-#  if !defined wctob && !@HAVE_DECL_WCTOB@
-/* wctob is provided by gnulib, or wctob exists but is not declared.  */
-_GL_FUNCDECL_SYS (wctob, int, (wint_t wc));
-#  endif
-_GL_CXXALIAS_SYS (wctob, int, (wint_t wc));
-# endif
-_GL_CXXALIASWARN (wctob);
-#elif defined GNULIB_POSIXCHECK
-# undef wctob
-# if HAVE_RAW_DECL_WCTOB
-_GL_WARN_ON_USE (wctob, "wctob is unportable - "
-                 "use gnulib module wctob for portability");
-# endif
-#endif
-
-
-/* Test whether *PS is in the initial state.  */
-#if @GNULIB_MBSINIT@
-# if @REPLACE_MBSINIT@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef mbsinit
-#   define mbsinit rpl_mbsinit
-#  endif
-_GL_FUNCDECL_RPL (mbsinit, int, (const mbstate_t *ps));
-_GL_CXXALIAS_RPL (mbsinit, int, (const mbstate_t *ps));
-# else
-#  if !@HAVE_MBSINIT@
-_GL_FUNCDECL_SYS (mbsinit, int, (const mbstate_t *ps));
-#  endif
-_GL_CXXALIAS_SYS (mbsinit, int, (const mbstate_t *ps));
-# endif
-_GL_CXXALIASWARN (mbsinit);
-#elif defined GNULIB_POSIXCHECK
-# undef mbsinit
-# if HAVE_RAW_DECL_MBSINIT
-_GL_WARN_ON_USE (mbsinit, "mbsinit is unportable - "
-                 "use gnulib module mbsinit for portability");
-# endif
-#endif
-
-
-/* Convert a multibyte character to a wide character.  */
-#if @GNULIB_MBRTOWC@
-# if @REPLACE_MBRTOWC@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef mbrtowc
-#   define mbrtowc rpl_mbrtowc
-#  endif
-_GL_FUNCDECL_RPL (mbrtowc, size_t,
-                  (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps));
-_GL_CXXALIAS_RPL (mbrtowc, size_t,
-                  (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps));
-# else
-#  if !@HAVE_MBRTOWC@
-_GL_FUNCDECL_SYS (mbrtowc, size_t,
-                  (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps));
-#  endif
-_GL_CXXALIAS_SYS (mbrtowc, size_t,
-                  (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps));
-# endif
-_GL_CXXALIASWARN (mbrtowc);
-#elif defined GNULIB_POSIXCHECK
-# undef mbrtowc
-# if HAVE_RAW_DECL_MBRTOWC
-_GL_WARN_ON_USE (mbrtowc, "mbrtowc is unportable - "
-                 "use gnulib module mbrtowc for portability");
-# endif
-#endif
-
-
-/* Recognize a multibyte character.  */
-#if @GNULIB_MBRLEN@
-# if @REPLACE_MBRLEN@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef mbrlen
-#   define mbrlen rpl_mbrlen
-#  endif
-_GL_FUNCDECL_RPL (mbrlen, size_t, (const char *s, size_t n, mbstate_t *ps));
-_GL_CXXALIAS_RPL (mbrlen, size_t, (const char *s, size_t n, mbstate_t *ps));
-# else
-#  if !@HAVE_MBRLEN@
-_GL_FUNCDECL_SYS (mbrlen, size_t, (const char *s, size_t n, mbstate_t *ps));
-#  endif
-_GL_CXXALIAS_SYS (mbrlen, size_t, (const char *s, size_t n, mbstate_t *ps));
-# endif
-_GL_CXXALIASWARN (mbrlen);
-#elif defined GNULIB_POSIXCHECK
-# undef mbrlen
-# if HAVE_RAW_DECL_MBRLEN
-_GL_WARN_ON_USE (mbrlen, "mbrlen is unportable - "
-                 "use gnulib module mbrlen for portability");
-# endif
-#endif
-
-
-/* Convert a string to a wide string.  */
-#if @GNULIB_MBSRTOWCS@
-# if @REPLACE_MBSRTOWCS@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef mbsrtowcs
-#   define mbsrtowcs rpl_mbsrtowcs
-#  endif
-_GL_FUNCDECL_RPL (mbsrtowcs, size_t,
-                  (wchar_t *dest, const char **srcp, size_t len, mbstate_t *ps)
-                  _GL_ARG_NONNULL ((2)));
-_GL_CXXALIAS_RPL (mbsrtowcs, size_t,
-                  (wchar_t *dest, const char **srcp, size_t len,
-                   mbstate_t *ps));
-# else
-#  if !@HAVE_MBSRTOWCS@
-_GL_FUNCDECL_SYS (mbsrtowcs, size_t,
-                  (wchar_t *dest, const char **srcp, size_t len, mbstate_t *ps)
-                  _GL_ARG_NONNULL ((2)));
-#  endif
-_GL_CXXALIAS_SYS (mbsrtowcs, size_t,
-                  (wchar_t *dest, const char **srcp, size_t len,
-                   mbstate_t *ps));
-# endif
-_GL_CXXALIASWARN (mbsrtowcs);
-#elif defined GNULIB_POSIXCHECK
-# undef mbsrtowcs
-# if HAVE_RAW_DECL_MBSRTOWCS
-_GL_WARN_ON_USE (mbsrtowcs, "mbsrtowcs is unportable - "
-                 "use gnulib module mbsrtowcs for portability");
-# endif
-#endif
-
-
-/* Convert a string to a wide string.  */
-#if @GNULIB_MBSNRTOWCS@
-# if @REPLACE_MBSNRTOWCS@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef mbsnrtowcs
-#   define mbsnrtowcs rpl_mbsnrtowcs
-#  endif
-_GL_FUNCDECL_RPL (mbsnrtowcs, size_t,
-                  (wchar_t *dest, const char **srcp, size_t srclen, size_t len,
-                   mbstate_t *ps)
-                  _GL_ARG_NONNULL ((2)));
-_GL_CXXALIAS_RPL (mbsnrtowcs, size_t,
-                  (wchar_t *dest, const char **srcp, size_t srclen, size_t len,
-                   mbstate_t *ps));
-# else
-#  if !@HAVE_MBSNRTOWCS@
-_GL_FUNCDECL_SYS (mbsnrtowcs, size_t,
-                  (wchar_t *dest, const char **srcp, size_t srclen, size_t len,
-                   mbstate_t *ps)
-                  _GL_ARG_NONNULL ((2)));
-#  endif
-_GL_CXXALIAS_SYS (mbsnrtowcs, size_t,
-                  (wchar_t *dest, const char **srcp, size_t srclen, size_t len,
-                   mbstate_t *ps));
-# endif
-_GL_CXXALIASWARN (mbsnrtowcs);
-#elif defined GNULIB_POSIXCHECK
-# undef mbsnrtowcs
-# if HAVE_RAW_DECL_MBSNRTOWCS
-_GL_WARN_ON_USE (mbsnrtowcs, "mbsnrtowcs is unportable - "
-                 "use gnulib module mbsnrtowcs for portability");
-# endif
-#endif
-
-
-/* Convert a wide character to a multibyte character.  */
-#if @GNULIB_WCRTOMB@
-# if @REPLACE_WCRTOMB@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef wcrtomb
-#   define wcrtomb rpl_wcrtomb
-#  endif
-_GL_FUNCDECL_RPL (wcrtomb, size_t, (char *s, wchar_t wc, mbstate_t *ps));
-_GL_CXXALIAS_RPL (wcrtomb, size_t, (char *s, wchar_t wc, mbstate_t *ps));
-# else
-#  if !@HAVE_WCRTOMB@
-_GL_FUNCDECL_SYS (wcrtomb, size_t, (char *s, wchar_t wc, mbstate_t *ps));
-#  endif
-_GL_CXXALIAS_SYS (wcrtomb, size_t, (char *s, wchar_t wc, mbstate_t *ps));
-# endif
-_GL_CXXALIASWARN (wcrtomb);
-#elif defined GNULIB_POSIXCHECK
-# undef wcrtomb
-# if HAVE_RAW_DECL_WCRTOMB
-_GL_WARN_ON_USE (wcrtomb, "wcrtomb is unportable - "
-                 "use gnulib module wcrtomb for portability");
-# endif
-#endif
-
-
-/* Convert a wide string to a string.  */
-#if @GNULIB_WCSRTOMBS@
-# if @REPLACE_WCSRTOMBS@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef wcsrtombs
-#   define wcsrtombs rpl_wcsrtombs
-#  endif
-_GL_FUNCDECL_RPL (wcsrtombs, size_t,
-                  (char *dest, const wchar_t **srcp, size_t len, mbstate_t *ps)
-                  _GL_ARG_NONNULL ((2)));
-_GL_CXXALIAS_RPL (wcsrtombs, size_t,
-                  (char *dest, const wchar_t **srcp, size_t len,
-                   mbstate_t *ps));
-# else
-#  if !@HAVE_WCSRTOMBS@
-_GL_FUNCDECL_SYS (wcsrtombs, size_t,
-                  (char *dest, const wchar_t **srcp, size_t len, mbstate_t *ps)
-                  _GL_ARG_NONNULL ((2)));
-#  endif
-_GL_CXXALIAS_SYS (wcsrtombs, size_t,
-                  (char *dest, const wchar_t **srcp, size_t len,
-                   mbstate_t *ps));
-# endif
-_GL_CXXALIASWARN (wcsrtombs);
-#elif defined GNULIB_POSIXCHECK
-# undef wcsrtombs
-# if HAVE_RAW_DECL_WCSRTOMBS
-_GL_WARN_ON_USE (wcsrtombs, "wcsrtombs is unportable - "
-                 "use gnulib module wcsrtombs for portability");
-# endif
-#endif
-
-
-/* Convert a wide string to a string.  */
-#if @GNULIB_WCSNRTOMBS@
-# if @REPLACE_WCSNRTOMBS@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef wcsnrtombs
-#   define wcsnrtombs rpl_wcsnrtombs
-#  endif
-_GL_FUNCDECL_RPL (wcsnrtombs, size_t,
-                  (char *dest, const wchar_t **srcp, size_t srclen, size_t len,
-                   mbstate_t *ps)
-                  _GL_ARG_NONNULL ((2)));
-_GL_CXXALIAS_RPL (wcsnrtombs, size_t,
-                  (char *dest, const wchar_t **srcp, size_t srclen, size_t len,
-                   mbstate_t *ps));
-# else
-#  if !@HAVE_WCSNRTOMBS@
-_GL_FUNCDECL_SYS (wcsnrtombs, size_t,
-                  (char *dest, const wchar_t **srcp, size_t srclen, size_t len,
-                   mbstate_t *ps)
-                  _GL_ARG_NONNULL ((2)));
-#  endif
-_GL_CXXALIAS_SYS (wcsnrtombs, size_t,
-                  (char *dest, const wchar_t **srcp, size_t srclen, size_t len,
-                   mbstate_t *ps));
-# endif
-_GL_CXXALIASWARN (wcsnrtombs);
-#elif defined GNULIB_POSIXCHECK
-# undef wcsnrtombs
-# if HAVE_RAW_DECL_WCSNRTOMBS
-_GL_WARN_ON_USE (wcsnrtombs, "wcsnrtombs is unportable - "
-                 "use gnulib module wcsnrtombs for portability");
-# endif
-#endif
-
-
-/* Return the number of screen columns needed for WC.  */
-#if @GNULIB_WCWIDTH@
-# if @REPLACE_WCWIDTH@
-#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-#   undef wcwidth
-#   define wcwidth rpl_wcwidth
-#  endif
-_GL_FUNCDECL_RPL (wcwidth, int, (wchar_t));
-_GL_CXXALIAS_RPL (wcwidth, int, (wchar_t));
-# else
-#  if !@HAVE_DECL_WCWIDTH@
-/* wcwidth exists but is not declared.  */
-_GL_FUNCDECL_SYS (wcwidth, int, (wchar_t));
-#  endif
-_GL_CXXALIAS_SYS (wcwidth, int, (wchar_t));
-# endif
-_GL_CXXALIASWARN (wcwidth);
-#elif defined GNULIB_POSIXCHECK
-# undef wcwidth
-# if HAVE_RAW_DECL_WCWIDTH
-_GL_WARN_ON_USE (wcwidth, "wcwidth is unportable - "
-                 "use gnulib module wcwidth for portability");
-# endif
-#endif
-
-
-#endif /* _GL_WCHAR_H */
-#endif /* _GL_WCHAR_H */
-#endif