1 // Copyright (C) 1997-2024 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // Under Section 7 of GPL version 3, you are granted additional
15 // permissions described in the GCC Runtime Library Exception, version
16 // 3.1, as published by the Free Software Foundation.
18 // You should have received a copy of the GNU General Public License and
19 // a copy of the GCC Runtime Library Exception along with this program;
20 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
21 // <http://www.gnu.org/licenses/>.
27 namespace std
_GLIBCXX_VISIBILITY(default)
29 _GLIBCXX_BEGIN_NAMESPACE_VERSION
31 // Definitions for static const data members of ctype_base.
32 const ctype_base::mask
ctype_base::space
;
33 const ctype_base::mask
ctype_base::print
;
34 const ctype_base::mask
ctype_base::cntrl
;
35 const ctype_base::mask
ctype_base::upper
;
36 const ctype_base::mask
ctype_base::lower
;
37 const ctype_base::mask
ctype_base::alpha
;
38 const ctype_base::mask
ctype_base::digit
;
39 const ctype_base::mask
ctype_base::punct
;
40 const ctype_base::mask
ctype_base::xdigit
;
41 const ctype_base::mask
ctype_base::alnum
;
42 const ctype_base::mask
ctype_base::graph
;
43 const ctype_base::mask
ctype_base::blank
;
45 // Definitions for locale::id of standard facets that are specialized.
46 locale::id ctype
<char>::id
;
48 #ifdef _GLIBCXX_USE_WCHAR_T
49 locale::id ctype
<wchar_t>::id
;
52 const size_t ctype
<char>::table_size
;
56 _S_destroy_c_locale(_M_c_locale_ctype
);
58 delete[] this->table();
61 // Fill in the narrowing cache and flag whether all values are
62 // valid or not. _M_narrow_ok is set to 2 if memcpy can't
66 _M_narrow_init() const
68 char __tmp
[sizeof(_M_narrow
)];
69 for (size_t __i
= 0; __i
< sizeof(_M_narrow
); ++__i
)
71 do_narrow(__tmp
, __tmp
+ sizeof(__tmp
), 0, _M_narrow
);
74 if (__builtin_memcmp(__tmp
, _M_narrow
, sizeof(_M_narrow
)))
78 // Deal with the special case of zero: renarrow with a
79 // different default and compare.
81 do_narrow(__tmp
, __tmp
+ 1, 1, &__c
);
91 char __tmp
[sizeof(_M_widen
)];
92 for (size_t __i
= 0; __i
< sizeof(_M_widen
); ++__i
)
94 do_widen(__tmp
, __tmp
+ sizeof(__tmp
), _M_widen
);
97 // Set _M_widen_ok to 2 if memcpy can't be used.
98 if (__builtin_memcmp(__tmp
, _M_widen
, sizeof(_M_widen
)))
102 #ifdef _GLIBCXX_USE_WCHAR_T
103 ctype
<wchar_t>::ctype(size_t __refs
)
104 : __ctype_abstract_base
<wchar_t>(__refs
),
105 _M_c_locale_ctype(_S_get_c_locale()), _M_narrow_ok(false)
106 { _M_initialize_ctype(); }
108 ctype
<wchar_t>::ctype(__c_locale __cloc
, size_t __refs
)
109 : __ctype_abstract_base
<wchar_t>(__refs
),
110 _M_c_locale_ctype(_S_clone_c_locale(__cloc
)), _M_narrow_ok(false)
111 { _M_initialize_ctype(); }
113 ctype
<wchar_t>::~ctype()
114 { _S_destroy_c_locale(_M_c_locale_ctype
); }
116 ctype_byname
<wchar_t>::ctype_byname(const char* __s
, size_t __refs
)
117 : ctype
<wchar_t>(__refs
)
119 if (std::strcmp(__s
, "C") != 0 && std::strcmp(__s
, "POSIX") != 0)
121 this->_S_destroy_c_locale(this->_M_c_locale_ctype
);
122 this->_S_create_c_locale(this->_M_c_locale_ctype
, __s
);
123 this->_M_initialize_ctype();
127 ctype_byname
<wchar_t>::~ctype_byname()
132 _GLIBCXX_END_NAMESPACE_VERSION