| /* A substitute for ISO C99 <wchar.h>, for platforms that have issues. |
| |
| Copyright (C) 2007-2010 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 |