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83ffe9cd | 1 | // Copyright (C) 1997-2023 Free Software Foundation, Inc. |
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2 | // |
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 | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
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7 | // any later version. |
8 | ||
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. | |
13 | ||
748086b7 JJ |
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. | |
38cca750 | 17 | |
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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/>. | |
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22 | |
23 | #include <locale> | |
4ba851b5 | 24 | #include <cstdlib> |
538075fe | 25 | #include <cstring> |
38cca750 | 26 | |
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27 | namespace std _GLIBCXX_VISIBILITY(default) |
28 | { | |
29 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
3cbc7af0 | 30 | |
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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; | |
a3e4cd81 | 43 | const ctype_base::mask ctype_base::blank; |
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44 | |
45 | // Definitions for locale::id of standard facets that are specialized. | |
46 | locale::id ctype<char>::id; | |
47 | ||
f92ab29f | 48 | #ifdef _GLIBCXX_USE_WCHAR_T |
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49 | locale::id ctype<wchar_t>::id; |
50 | #endif | |
51 | ||
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52 | const size_t ctype<char>::table_size; |
53 | ||
54 | ctype<char>::~ctype() | |
f92ab29f | 55 | { |
aa53f832 | 56 | _S_destroy_c_locale(_M_c_locale_ctype); |
f92ab29f CG |
57 | if (_M_del) |
58 | delete[] this->table(); | |
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59 | } |
60 | ||
1834f167 PC |
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 | |
63 | // be used. | |
64 | void | |
65 | ctype<char>:: | |
66 | _M_narrow_init() const | |
67 | { | |
68 | char __tmp[sizeof(_M_narrow)]; | |
69 | for (size_t __i = 0; __i < sizeof(_M_narrow); ++__i) | |
70 | __tmp[__i] = __i; | |
71 | do_narrow(__tmp, __tmp + sizeof(__tmp), 0, _M_narrow); | |
f92ab29f | 72 | |
1834f167 PC |
73 | _M_narrow_ok = 1; |
74 | if (__builtin_memcmp(__tmp, _M_narrow, sizeof(_M_narrow))) | |
75 | _M_narrow_ok = 2; | |
76 | else | |
77 | { | |
78 | // Deal with the special case of zero: renarrow with a | |
79 | // different default and compare. | |
80 | char __c; | |
81 | do_narrow(__tmp, __tmp + 1, 1, &__c); | |
82 | if (__c == 1) | |
83 | _M_narrow_ok = 2; | |
84 | } | |
85 | } | |
86 | ||
87 | void | |
88 | ctype<char>:: | |
89 | _M_widen_init() const | |
90 | { | |
91 | char __tmp[sizeof(_M_widen)]; | |
92 | for (size_t __i = 0; __i < sizeof(_M_widen); ++__i) | |
93 | __tmp[__i] = __i; | |
94 | do_widen(__tmp, __tmp + sizeof(__tmp), _M_widen); | |
f92ab29f | 95 | |
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96 | _M_widen_ok = 1; |
97 | // Set _M_widen_ok to 2 if memcpy can't be used. | |
98 | if (__builtin_memcmp(__tmp, _M_widen, sizeof(_M_widen))) | |
99 | _M_widen_ok = 2; | |
100 | } | |
101 | ||
3d7c150e | 102 | #ifdef _GLIBCXX_USE_WCHAR_T |
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103 | ctype<wchar_t>::ctype(size_t __refs) |
104 | : __ctype_abstract_base<wchar_t>(__refs), | |
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105 | _M_c_locale_ctype(_S_get_c_locale()), _M_narrow_ok(false) |
106 | { _M_initialize_ctype(); } | |
38cca750 | 107 | |
f92ab29f | 108 | ctype<wchar_t>::ctype(__c_locale __cloc, size_t __refs) |
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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(); } | |
38cca750 | 112 | |
f92ab29f | 113 | ctype<wchar_t>::~ctype() |
aa53f832 | 114 | { _S_destroy_c_locale(_M_c_locale_ctype); } |
38cca750 | 115 | |
681a6919 | 116 | ctype_byname<wchar_t>::ctype_byname(const char* __s, size_t __refs) |
f92ab29f CG |
117 | : ctype<wchar_t>(__refs) |
118 | { | |
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119 | if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0) |
120 | { | |
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(); | |
124 | } | |
125 | } | |
126 | ||
f92ab29f | 127 | ctype_byname<wchar_t>::~ctype_byname() |
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128 | { } |
129 | ||
38cca750 | 130 | #endif |
38cca750 | 131 | |
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132 | _GLIBCXX_END_NAMESPACE_VERSION |
133 | } // namespace |