2072f5c34e
glibc headers include some code (not particularly consistent or systematic) to put various declarations in C++ namespaces std and __c99, if _GLIBCPP_USE_NAMESPACES is defined. As noted in <https://gcc.gnu.org/ml/libstdc++/2017-03/msg00025.html>, this macro was removed from libstdc++ in 2000. I don't expect compilation with such old versions of libstdc++ to work with current glibc headers anyway (whereas old *binaries* are expected to stay working with current glibc); this patch (which should be a no-op with any libstdc++ version postdating that removal) removes all this code from the glibc headers. The begin-end-check.pl test, whose comments say it is about checking these namespace macro calls, is also removed. The code in that test would have covered __BEGIN_DECLS / __END_DECLS as well, but if those weren't properly matched it would show up with the check-installed-headers-cxx tests, so I don't think there is an actual use for keeping begin-end-check.pl with the namespace code removed. Tested for x86_64 and x86 (testsuite, and that installed stripped shared libraries are unchanged by the patch). * misc/sys/cdefs.h (__BEGIN_NAMESPACE_STD): Remove macro. (__END_NAMESPACE_STD): Likewise. (__USING_NAMESPACE_STD): Likewise. (__BEGIN_NAMESPACE_C99): Likewise. (__END_NAMESPACE_C99): Likewise. (__USING_NAMESPACE_C99): Likewise. * math/math.h (_Mdouble_BEGIN_NAMESPACE): Do not define and undefine macro. (_Mdouble_END_NAMESPACE): Likewise. * ctype/ctype.h: Do not handle C++ namespaces. * libio/bits/stdio-ldbl.h: Likewise. * libio/stdio.h: Likewise. * locale/locale.h: Likewise. * math/bits/mathcalls.h: Likewise. * setjmp/setjmp.h: Likewise. * signal/signal.h: Likewise. * stdlib/bits/stdlib-float.h: Likewise. * stdlib/bits/stdlib-ldbl.h: Likewise. * stdlib/stdlib.h: Likewise. * string/string.h: Likewise. * sysdeps/x86/fpu/bits/mathinline.h: Likewise. * time/bits/types/clock_t.h: Likewise. * time/bits/types/struct_tm.h: Likewise. * time/bits/types/time_t.h: Likewise. * time/time.h: Likewise. * wcsmbs/bits/wchar-ldbl.h: Likewise. * wcsmbs/uchar.h: Likewise. * wcsmbs/wchar.h: Likewise. [_GLIBCPP_USE_NAMESPACES] (wint_t): Remove conditional definition. * wctype/wctype.h: Do not handle C++ namespaces. * scripts/begin-end-check.pl: Remove. * Makefile (installed-headers): Likewise. (tests-special): Do not add $(objpfx)begin-end-check.out. ($(objpfx)begin-end-check.out): Remove.
82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/* Copyright (C) 2011-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/*
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* ISO C11 Standard: 7.28
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* Unicode utilities <uchar.h>
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*/
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#ifndef _UCHAR_H
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#define _UCHAR_H 1
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#include <features.h>
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#define __need_size_t
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#include <stddef.h>
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#define __need_mbstate_t
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#include <wchar.h>
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#ifndef __mbstate_t_defined
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/* Public type. */
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typedef __mbstate_t mbstate_t;
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# define __mbstate_t_defined 1
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#endif
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#if defined __GNUC__ && !defined __USE_ISOCXX11
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/* Define the 16-bit and 32-bit character types. Use the information
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provided by the compiler. */
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# if !defined __CHAR16_TYPE__ || !defined __CHAR32_TYPE__
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# if defined __STDC_VERSION__ && __STDC_VERSION__ < 201000L
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# error "<uchar.h> requires ISO C11 mode"
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# else
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# error "definitions of __CHAR16_TYPE__ and/or __CHAR32_TYPE__ missing"
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# endif
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# endif
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typedef __CHAR16_TYPE__ char16_t;
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typedef __CHAR32_TYPE__ char32_t;
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#endif
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__BEGIN_DECLS
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/* Write char16_t representation of multibyte character pointed
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to by S to PC16. */
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extern size_t mbrtoc16 (char16_t *__restrict __pc16,
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const char *__restrict __s, size_t __n,
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mbstate_t *__restrict __p) __THROW;
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/* Write multibyte representation of char16_t C16 to S. */
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extern size_t c16rtomb (char *__restrict __s, char16_t __c16,
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mbstate_t *__restrict __ps) __THROW;
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/* Write char32_t representation of multibyte character pointed
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to by S to PC32. */
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extern size_t mbrtoc32 (char32_t *__restrict __pc32,
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const char *__restrict __s, size_t __n,
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mbstate_t *__restrict __p) __THROW;
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/* Write multibyte representation of char32_t C32 to S. */
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extern size_t c32rtomb (char *__restrict __s, char32_t __c32,
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mbstate_t *__restrict __ps) __THROW;
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__END_DECLS
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#endif /* uchar.h */
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