/* 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
/* 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
# 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);
+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 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);
+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
/* Convert a wide character to a multibyte character. */
#if @GNULIB_WCRTOMB@
-# if !@HAVE_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
#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