1 // Wrapper for underlying C-language localization -*- C++ -*-
3 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
4 // Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 2, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING. If not, write to the Free
19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22 // As a special exception, you may use this file as part of a free software
23 // library without restriction. Specifically, if other files instantiate
24 // templates or use macros or inline functions from this file, or you compile
25 // this file and link it with other files to produce an executable, this
26 // file does not by itself cause the resulting executable to be covered by
27 // the GNU General Public License. This exception does not however
28 // invalidate any other reasons why the executable file might be covered by
29 // the GNU General Public License.
32 // ISO C++ 14882: 22.8 Standard locale categories.
35 // Written by Benjamin Kosnik <bkoz@redhat.com>
40 #include <bits/c++locale_internal.h>
42 _GLIBCXX_BEGIN_NAMESPACE(std)
46 __convert_to_v(const char* __s, float& __v, ios_base::iostate& __err,
47 const __c_locale& __cloc)
50 float __f = __strtof_l(__s, &__sanity, __cloc);
51 if (__sanity != __s && __f != __builtin_huge_valf()
52 && __f != -__builtin_huge_valf())
55 __err |= ios_base::failbit;
60 __convert_to_v(const char* __s, double& __v, ios_base::iostate& __err,
61 const __c_locale& __cloc)
64 double __d = __strtod_l(__s, &__sanity, __cloc);
65 if (__sanity != __s && __d != __builtin_huge_val()
66 && __d != -__builtin_huge_val())
69 __err |= ios_base::failbit;
74 __convert_to_v(const char* __s, long double& __v, ios_base::iostate& __err,
75 const __c_locale& __cloc)
78 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
79 // Prefer strtold_l, as __strtold_l isn't prototyped in more recent
81 long double __ld = strtold_l(__s, &__sanity, __cloc);
83 long double __ld = __strtold_l(__s, &__sanity, __cloc);
85 if (__sanity != __s && __ld != __builtin_huge_vall()
86 && __ld != -__builtin_huge_vall())
89 __err |= ios_base::failbit;
93 locale::facet::_S_create_c_locale(__c_locale& __cloc, const char* __s,
96 __cloc = __newlocale(1 << LC_ALL, __s, __old);
99 // This named locale is not supported by the underlying OS.
100 __throw_runtime_error(__N("locale::facet::_S_create_c_locale "
106 locale::facet::_S_destroy_c_locale(__c_locale& __cloc)
108 if (__cloc && _S_get_c_locale() != __cloc)
109 __freelocale(__cloc);
113 locale::facet::_S_clone_c_locale(__c_locale& __cloc)
114 { return __duplocale(__cloc); }
116 _GLIBCXX_END_NAMESPACE
118 _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
120 const char* const category_names[6 + _GLIBCXX_NUM_CATEGORIES] =
136 _GLIBCXX_END_NAMESPACE
138 _GLIBCXX_BEGIN_NAMESPACE(std)
140 const char* const* const locale::_S_categories = __gnu_cxx::category_names;
142 _GLIBCXX_END_NAMESPACE
144 // XXX GLIBCXX_ABI Deprecated
145 #ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
146 #define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
147 extern "C" void ldbl (void) __attribute__ ((alias (#dbl)))
148 _GLIBCXX_LDBL_COMPAT(_ZSt14__convert_to_vIdEvPKcRT_RSt12_Ios_IostateRKP15__locale_struct, _ZSt14__convert_to_vIeEvPKcRT_RSt12_Ios_IostateRKP15__locale_struct);
149 #endif // _GLIBCXX_LONG_DOUBLE_COMPAT