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diff --git a/gl/wchar.in.h b/gl/wchar.in.h
index e069cfaa01d63464805feef36a86efd7683f3462..88d47dbc09c1404bb582b1acf8ddc79a2b59f922 100644 (file)
--- a/gl/wchar.in.h
+++ b/gl/wchar.in.h
/* A substitute for ISO C99 <wchar.h>, for platforms that have issues.
- Copyright (C) 2007-2009 Free Software Foundation, Inc.
+ 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
@PRAGMA_SYSTEM_HEADER@
#endif
-#if defined __need_mbstate_t || (defined __hpux && ((defined _INTTYPES_INCLUDED && !defined strtoimax) || defined _GL_JUST_INCLUDE_SYSTEM_WCHAR_H))
+#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 uClibc header files.
+ - 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>. */
+ 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@
#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>
+ 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. */
# @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. */
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
-#ifdef __cplusplus
-extern "C" {
-#endif
+/* The definition of _GL_ARG_NONNULL is copied here. */
+/* The definition of _GL_WARN_ON_USE is copied here. */
-/* Define wint_t. (Also done in wctype.in.h.) */
+
+/* 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
/* 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);
+# 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
-# define btowc(c) \
- (GL_LINK_WARNING ("btowc is unportable - " \
- "use gnulib module btowc for portability"), \
- btowc (c))
+# 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@
-# undef wctob
-# define wctob rpl_wctob
-# endif
-# if (!defined wctob && !@HAVE_DECL_WCTOB@) || @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. */
-extern int wctob (wint_t wc);
+_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
-# define wctob(w) \
- (GL_LINK_WARNING ("wctob is unportable - " \
- "use gnulib module wctob for portability"), \
- wctob (w))
+# 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@
-# undef mbsinit
-# define mbsinit rpl_mbsinit
-# endif
-# if !@HAVE_MBSINIT@ || @REPLACE_MBSINIT@
-extern int mbsinit (const mbstate_t *ps);
+# 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
-# define mbsinit(p) \
- (GL_LINK_WARNING ("mbsinit is unportable - " \
- "use gnulib module mbsinit for portability"), \
- mbsinit (p))
+# 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@
-# 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);
+# 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
-# define mbrtowc(w,s,n,p) \
- (GL_LINK_WARNING ("mbrtowc is unportable - " \
- "use gnulib module mbrtowc for portability"), \
- mbrtowc (w, s, n, p))
+# 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@
-# 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);
+# 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
-# define mbrlen(s,n,p) \
- (GL_LINK_WARNING ("mbrlen is unportable - " \
- "use gnulib module mbrlen for portability"), \
- mbrlen (s, n, p))
+# 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@
-# 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);
+# 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
-# define mbsrtowcs(d,s,l,p) \
- (GL_LINK_WARNING ("mbsrtowcs is unportable - " \
- "use gnulib module mbsrtowcs for portability"), \
- mbsrtowcs (d, s, l, p))
+# 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@
-# 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);
+# 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
-# 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))
+# 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@
-# undef wcrtomb
-# define wcrtomb rpl_wcrtomb
-# endif
-# if !@HAVE_WCRTOMB@ || @REPLACE_WCRTOMB@
-extern size_t wcrtomb (char *s, wchar_t wc, mbstate_t *ps);
+# 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
-# define wcrtomb(s,w,p) \
- (GL_LINK_WARNING ("wcrtomb is unportable - " \
- "use gnulib module wcrtomb for portability"), \
- wcrtomb (s, w, p))
+# 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@
-# 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);
+# 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
-# define wcsrtombs(d,s,l,p) \
- (GL_LINK_WARNING ("wcsrtombs is unportable - " \
- "use gnulib module wcsrtombs for portability"), \
- wcsrtombs (d, s, l, p))
+# 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 !@HAVE_WCSNRTOMBS@
-extern size_t wcsnrtombs (char *dest, const wchar_t **srcp, size_t srclen, size_t len, mbstate_t *ps);
+# 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
-# 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))
+# 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@
-# undef wcwidth
-# define wcwidth rpl_wcwidth
-extern int wcwidth (wchar_t);
+# 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 !defined wcwidth && !@HAVE_DECL_WCWIDTH@
+# if !@HAVE_DECL_WCWIDTH@
/* wcwidth exists but is not declared. */
-extern int wcwidth (int /* actually wchar_t */);
+_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
-# define wcwidth(w) \
- (GL_LINK_WARNING ("wcwidth is unportable - " \
- "use gnulib module wcwidth for portability"), \
- wcwidth (w))
+# if HAVE_RAW_DECL_WCWIDTH
+_GL_WARN_ON_USE (wcwidth, "wcwidth is unportable - "
+ "use gnulib module wcwidth for portability");
+# endif
#endif
-#ifdef __cplusplus
-}
-#endif
-
#endif /* _GL_WCHAR_H */
#endif /* _GL_WCHAR_H */
#endif