1 // Locale support -*- C++ -*-
3 // Copyright (C) 2011-2023 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
25 /** @file ctype_configure_char.cc */
28 // ISO C++ 14882: 22.1 Locales
35 namespace std
_GLIBCXX_VISIBILITY(default)
37 _GLIBCXX_BEGIN_NAMESPACE_VERSION
39 // Information as gleaned from /usr/include/ctype.h
41 const ctype_base::mask
*
42 ctype
<char>::classic_table() throw()
44 const ctype_base::mask
* __ret
;
45 char* __old
= setlocale(LC_CTYPE
, NULL
);
46 const size_t __len
= __builtin_strlen(__old
) + 1;
47 char* __sav
= new char[__len
];
48 __builtin_memcpy(__sav
, __old
, __len
);
49 setlocale(LC_CTYPE
, "C");
50 __ret
= *__ctype_b_loc();
51 setlocale(LC_CTYPE
, __sav
);
56 ctype
<char>::ctype(__c_locale
, const mask
* __table
, bool __del
,
58 : facet(__refs
), _M_del(__table
!= 0 && __del
)
60 char* __old
= setlocale(LC_CTYPE
, NULL
);
61 const size_t __len
= __builtin_strlen(__old
) + 1;
62 char* __sav
= new char[__len
];
63 __builtin_memcpy(__sav
, __old
, __len
);
64 setlocale(LC_CTYPE
, "C");
65 _M_toupper
= *__ctype_toupper_loc();
66 _M_tolower
= *__ctype_tolower_loc();
67 _M_table
= __table
? __table
: *__ctype_b_loc();
68 setlocale(LC_CTYPE
, __sav
);
70 _M_c_locale_ctype
= _S_get_c_locale();
73 ctype
<char>::ctype(const mask
* __table
, bool __del
, size_t __refs
)
74 : facet(__refs
), _M_del(__table
!= 0 && __del
)
76 char* __old
= setlocale(LC_CTYPE
, NULL
);
77 const size_t __len
= __builtin_strlen(__old
) + 1;
78 char* __sav
= new char[__len
];
79 __builtin_memcpy(__sav
, __old
, __len
);
80 setlocale(LC_CTYPE
, "C");
81 _M_toupper
= *__ctype_toupper_loc();
82 _M_tolower
= *__ctype_tolower_loc();
83 _M_table
= __table
? __table
: *__ctype_b_loc();
84 setlocale(LC_CTYPE
, __sav
);
86 _M_c_locale_ctype
= _S_get_c_locale();
90 ctype
<char>::do_toupper(char __c
) const
91 { return _M_toupper
[static_cast<unsigned char>(__c
)]; }
94 ctype
<char>::do_toupper(char* __low
, const char* __high
) const
96 while (__low
< __high
)
98 *__low
= _M_toupper
[static_cast<unsigned char>(*__low
)];
105 ctype
<char>::do_tolower(char __c
) const
106 { return _M_tolower
[static_cast<unsigned char>(__c
)]; }
109 ctype
<char>::do_tolower(char* __low
, const char* __high
) const
111 while (__low
< __high
)
113 *__low
= _M_tolower
[static_cast<unsigned char>(*__low
)];
119 _GLIBCXX_END_NAMESPACE_VERSION