aix: make ctype_inline.h thread-safe and avoid _OBJ_DATA char subscript.
[gcc.git] / libstdc++-v3 / config / os / aix / ctype_inline.h
1 // Locale support -*- C++ -*-
2
3 // Copyright (C) 2000-2021 Free Software Foundation, Inc.
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
8 // Free Software Foundation; either version 3, or (at your option)
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
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.
19
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/>.
24
25 /** @file bits/ctype_inline.h
26 * This is an internal header file, included by other library headers.
27 * Do not attempt to use it directly. @headername{locale}
28 */
29
30 //
31 // ISO C++ 14882: 22.1 Locales
32 //
33
34 // ctype bits to be inlined go here. Non-inlinable (ie virtual do_*)
35 // functions go in ctype.cc
36
37 namespace std _GLIBCXX_VISIBILITY(default)
38 {
39 _GLIBCXX_BEGIN_NAMESPACE_VERSION
40
41 bool
42 ctype<char>::
43 is(mask __m, char __c) const
44 {
45 if(_M_table)
46 return _M_table[static_cast<unsigned char>(__c)] & __m;
47 else
48 #ifdef _THREAD_SAFE
49 return __OBJ_DATA((*__lc_ctype_ptr))->mask[static_cast<unsigned char>(__c)] & __m;
50 #else
51 return __OBJ_DATA(__lc_ctype)->mask[static_cast<unsigned char>(__c)] & __m;
52 #endif
53 }
54
55 const char*
56 ctype<char>::
57 is(const char* __low, const char* __high, mask* __vec) const
58 {
59 if(_M_table)
60 while (__low < __high)
61 *__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
62 else
63 while (__low < __high)
64 #ifdef _THREAD_SAFE
65 *__vec++ = __OBJ_DATA((*__lc_ctype_ptr))->mask[static_cast<unsigned char>(*__low++)];
66 #else
67 *__vec++ = __OBJ_DATA(__lc_ctype)->mask[static_cast<unsigned char>(*__low++)];
68 #endif
69 return __high;
70 }
71
72 const char*
73 ctype<char>::
74 scan_is(mask __m, const char* __low, const char* __high) const
75 {
76 while (__low < __high && !this->is(__m, *__low))
77 ++__low;
78 return __low;
79 }
80
81 const char*
82 ctype<char>::
83 scan_not(mask __m, const char* __low, const char* __high) const
84 {
85 while (__low < __high && this->is(__m, *__low) != 0)
86 ++__low;
87 return __low;
88 }
89
90 _GLIBCXX_END_NAMESPACE_VERSION
91 } // namespace