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c81a475f BK |
1 | // Locale support -*- C++ -*- |
2 | ||
a5544970 | 3 | // Copyright (C) 2011-2019 Free Software Foundation, Inc. |
c81a475f BK |
4 | // |
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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
c81a475f BK |
9 | // any later version. |
10 | ||
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. | |
15 | ||
748086b7 JJ |
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. | |
c81a475f | 19 | |
748086b7 JJ |
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/>. | |
c81a475f | 24 | |
246428c2 | 25 | /** @file ctype_configure_char.cc */ |
143c27b0 | 26 | |
c81a475f BK |
27 | // |
28 | // ISO C++ 14882: 22.1 Locales | |
29 | // | |
f910786b | 30 | |
246428c2 PC |
31 | #include <locale> |
32 | #include <cstdlib> | |
33 | #include <cstring> | |
34 | ||
35 | namespace std _GLIBCXX_VISIBILITY(default) | |
36 | { | |
37 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
38 | ||
c81a475f BK |
39 | // Information as gleaned from /usr/include/ctype.h |
40 | ||
3d7c150e | 41 | #if _GLIBCXX_C_LOCALE_GNU |
93dbe8d7 BK |
42 | const ctype_base::mask* |
43 | ctype<char>::classic_table() throw() | |
8ae81136 | 44 | { return _S_get_c_locale()->__ctype_b; } |
1c28b935 JJ |
45 | #else |
46 | const ctype_base::mask* | |
47 | ctype<char>::classic_table() throw() | |
48 | { | |
49 | const ctype_base::mask* __ret; | |
538075fe | 50 | char* __old = setlocale(LC_CTYPE, NULL); |
f697c80d PC |
51 | char* __sav = NULL; |
52 | if (__builtin_strcmp(__old, "C")) | |
53 | { | |
54 | const size_t __len = __builtin_strlen(__old) + 1; | |
55 | __sav = new char[__len]; | |
56 | __builtin_memcpy(__sav, __old, __len); | |
57 | setlocale(LC_CTYPE, "C"); | |
58 | } | |
1c28b935 JJ |
59 | #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) |
60 | __ret = *__ctype_b_loc(); | |
61 | #else | |
62 | __ret = __ctype_b; | |
63 | #endif | |
f697c80d PC |
64 | if (__sav) |
65 | { | |
66 | setlocale(LC_CTYPE, __sav); | |
67 | delete [] __sav; | |
68 | } | |
1c28b935 JJ |
69 | return __ret; |
70 | } | |
71 | #endif | |
72 | ||
3d7c150e | 73 | #if _GLIBCXX_C_LOCALE_GNU |
f910786b BK |
74 | ctype<char>::ctype(__c_locale __cloc, const mask* __table, bool __del, |
75 | size_t __refs) | |
76 | : facet(__refs), _M_c_locale_ctype(_S_clone_c_locale(__cloc)), | |
77 | _M_del(__table != 0 && __del), | |
78 | _M_toupper(_M_c_locale_ctype->__ctype_toupper), | |
79 | _M_tolower(_M_c_locale_ctype->__ctype_tolower), | |
80 | _M_table(__table ? __table : _M_c_locale_ctype->__ctype_b), | |
81 | _M_widen_ok(0), _M_narrow_ok(0) | |
def9790d | 82 | { |
538075fe PC |
83 | __builtin_memset(_M_widen, 0, sizeof(_M_widen)); |
84 | __builtin_memset(_M_narrow, 0, sizeof(_M_narrow)); | |
def9790d | 85 | } |
9e5c7dba | 86 | #else |
f910786b BK |
87 | ctype<char>::ctype(__c_locale, const mask* __table, bool __del, |
88 | size_t __refs) | |
89 | : facet(__refs), _M_c_locale_ctype(_S_get_c_locale()), | |
26c691a8 | 90 | _M_del(__table != 0 && __del), _M_widen_ok(0), _M_narrow_ok(0) |
1c28b935 | 91 | { |
538075fe | 92 | char* __old = setlocale(LC_CTYPE, NULL); |
f697c80d PC |
93 | char* __sav = NULL; |
94 | if (__builtin_strcmp(__old, "C")) | |
f910786b | 95 | { |
f697c80d PC |
96 | const size_t __len = __builtin_strlen(__old) + 1; |
97 | __sav = new char[__len]; | |
f910786b | 98 | __builtin_memcpy(__sav, __old, __len); |
f697c80d PC |
99 | setlocale(LC_CTYPE, "C"); |
100 | } | |
1c28b935 JJ |
101 | #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) |
102 | _M_toupper = *__ctype_toupper_loc(); | |
103 | _M_tolower = *__ctype_tolower_loc(); | |
104 | _M_table = __table ? __table : *__ctype_b_loc(); | |
105 | #else | |
106 | _M_toupper = __ctype_toupper; | |
107 | _M_tolower = __ctype_tolower; | |
108 | _M_table = __table ? __table : __ctype_b; | |
109 | #endif | |
f697c80d PC |
110 | if (__sav) |
111 | { | |
112 | setlocale(LC_CTYPE, __sav); | |
113 | delete [] __sav; | |
114 | } | |
538075fe PC |
115 | __builtin_memset(_M_widen, 0, sizeof(_M_widen)); |
116 | __builtin_memset(_M_narrow, 0, sizeof(_M_narrow)); | |
1c28b935 | 117 | } |
9e5c7dba BK |
118 | #endif |
119 | ||
3d7c150e | 120 | #if _GLIBCXX_C_LOCALE_GNU |
f910786b BK |
121 | ctype<char>::ctype(const mask* __table, bool __del, size_t __refs) |
122 | : facet(__refs), _M_c_locale_ctype(_S_get_c_locale()), | |
26c691a8 | 123 | _M_del(__table != 0 && __del), |
f910786b BK |
124 | _M_toupper(_M_c_locale_ctype->__ctype_toupper), |
125 | _M_tolower(_M_c_locale_ctype->__ctype_tolower), | |
126 | _M_table(__table ? __table : _M_c_locale_ctype->__ctype_b), | |
127 | _M_widen_ok(0), _M_narrow_ok(0) | |
1c28b935 | 128 | { |
538075fe PC |
129 | __builtin_memset(_M_widen, 0, sizeof(_M_widen)); |
130 | __builtin_memset(_M_narrow, 0, sizeof(_M_narrow)); | |
1c28b935 JJ |
131 | } |
132 | #else | |
82c2e3d4 | 133 | ctype<char>::ctype(const mask* __table, bool __del, size_t __refs) |
f910786b | 134 | : facet(__refs), _M_c_locale_ctype(_S_get_c_locale()), |
26c691a8 | 135 | _M_del(__table != 0 && __del), _M_widen_ok(0), _M_narrow_ok(0) |
1c28b935 | 136 | { |
538075fe | 137 | char* __old = setlocale(LC_CTYPE, NULL); |
f697c80d PC |
138 | char* __sav = NULL; |
139 | if (__builtin_strcmp(__old, "C")) | |
140 | { | |
141 | const size_t __len = __builtin_strlen(__old) + 1; | |
142 | __sav = new char[__len]; | |
143 | __builtin_memcpy(__sav, __old, __len); | |
144 | setlocale(LC_CTYPE, "C"); | |
145 | } | |
1c28b935 JJ |
146 | #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) |
147 | _M_toupper = *__ctype_toupper_loc(); | |
148 | _M_tolower = *__ctype_tolower_loc(); | |
149 | _M_table = __table ? __table : *__ctype_b_loc(); | |
150 | #else | |
151 | _M_toupper = __ctype_toupper; | |
152 | _M_tolower = __ctype_tolower; | |
153 | _M_table = __table ? __table : __ctype_b; | |
154 | #endif | |
f697c80d PC |
155 | if (__sav) |
156 | { | |
157 | setlocale(LC_CTYPE, __sav); | |
158 | delete [] __sav; | |
159 | } | |
538075fe PC |
160 | __builtin_memset(_M_widen, 0, sizeof(_M_widen)); |
161 | __builtin_memset(_M_narrow, 0, sizeof(_M_narrow)); | |
1c28b935 JJ |
162 | } |
163 | #endif | |
c81a475f BK |
164 | |
165 | char | |
166 | ctype<char>::do_toupper(char __c) const | |
f7145757 | 167 | { return _M_toupper[static_cast<unsigned char>(__c)]; } |
c81a475f BK |
168 | |
169 | const char* | |
170 | ctype<char>::do_toupper(char* __low, const char* __high) const | |
171 | { | |
172 | while (__low < __high) | |
173 | { | |
f7145757 | 174 | *__low = _M_toupper[static_cast<unsigned char>(*__low)]; |
c81a475f BK |
175 | ++__low; |
176 | } | |
177 | return __high; | |
178 | } | |
179 | ||
180 | char | |
181 | ctype<char>::do_tolower(char __c) const | |
f7145757 | 182 | { return _M_tolower[static_cast<unsigned char>(__c)]; } |
c81a475f | 183 | |
f910786b | 184 | const char* |
c81a475f BK |
185 | ctype<char>::do_tolower(char* __low, const char* __high) const |
186 | { | |
187 | while (__low < __high) | |
188 | { | |
f7145757 | 189 | *__low = _M_tolower[static_cast<unsigned char>(*__low)]; |
c81a475f BK |
190 | ++__low; |
191 | } | |
192 | return __high; | |
193 | } | |
246428c2 PC |
194 | |
195 | _GLIBCXX_END_NAMESPACE_VERSION | |
196 | } // namespace |