1 // Locale support -*- C++ -*-
3 // Copyright (C) 2014-2019 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()
45 ctype
<char>::ctype(__c_locale
, const mask
* __table
, bool __del
,
47 : facet(__refs
), _M_c_locale_ctype(_S_get_c_locale()),
48 _M_del(__table
!= 0 && __del
), _M_widen_ok(0), _M_narrow_ok(0)
50 char* __old
= setlocale(LC_CTYPE
, NULL
);
52 if (strcmp(__old
, "C"))
54 const size_t __len
= strlen(__old
) + 1;
55 __sav
= new char[__len
];
56 memcpy(__sav
, __old
, __len
);
57 setlocale(LC_CTYPE
, "C");
61 _M_table
= __table
? __table
: classic_table();
64 setlocale(LC_CTYPE
, __sav
);
67 memset(_M_widen
, 0, sizeof(_M_widen
));
68 memset(_M_narrow
, 0, sizeof(_M_narrow
));
71 ctype
<char>::ctype(const mask
* __table
, bool __del
, size_t __refs
)
72 : facet(__refs
), _M_c_locale_ctype(_S_get_c_locale()),
73 _M_del(__table
!= 0 && __del
), _M_widen_ok(0), _M_narrow_ok(0)
75 char* __old
= setlocale(LC_CTYPE
, NULL
);
77 if (strcmp(__old
, "C"))
79 const size_t __len
= strlen(__old
) + 1;
80 __sav
= new char[__len
];
81 memcpy(__sav
, __old
, __len
);
82 setlocale(LC_CTYPE
, "C");
86 _M_table
= __table
? __table
: classic_table();
89 setlocale(LC_CTYPE
, __sav
);
92 memset(_M_widen
, 0, sizeof(_M_widen
));
93 memset(_M_narrow
, 0, sizeof(_M_narrow
));
97 ctype
<char>::do_toupper(char __c
) const
98 { return ::toupper((int) __c
); }
101 ctype
<char>::do_toupper(char* __low
, const char* __high
) const
103 while (__low
< __high
)
105 *__low
= ::toupper((int) *__low
);
112 ctype
<char>::do_tolower(char __c
) const
113 { return ::tolower((int) __c
); }
116 ctype
<char>::do_tolower(char* __low
, const char* __high
) const
118 while (__low
< __high
)
120 *__low
= ::tolower((int) *__low
);
126 _GLIBCXX_END_NAMESPACE_VERSION