/* A substitute for ISO C99 <wchar.h>, for platforms that have issues.
- Copyright (C) 2007-2008 Free Software Foundation, Inc.
+ 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
@PRAGMA_SYSTEM_HEADER@
#endif
-#ifdef __need_mbstate_t
-/* Special invocation convention inside uClibc header files. */
+#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@
#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 definition of _GL_ARG_NONNULL 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@)
+#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 !@HAVE_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
/* Convert a wide character to a single-byte character. */
#if @GNULIB_WCTOB@
-# if !@HAVE_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
/* Test whether *PS is in the initial state. */
#if @GNULIB_MBSINIT@
-# if !@HAVE_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
/* Convert a multibyte character to a wide character. */
#if @GNULIB_MBRTOWC@
-# if !@HAVE_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
/* Recognize a multibyte character. */
#if @GNULIB_MBRLEN@
-# if !@HAVE_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
#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)
+ _GL_ARG_NONNULL ((2));
+# 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)
+ _GL_ARG_NONNULL ((2));
+# 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)
+ _GL_ARG_NONNULL ((2));
+# 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)
+ _GL_ARG_NONNULL ((2));
+# 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@
projects / gnulib.git / blobdiff