// Wrapper for underlying C-language localization -*- C++ -*-
-// Copyright (C) 2001, 2002, 2003, 2004, 2005
-// Free Software Foundation, Inc.
+// Copyright (C) 2001-2020 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
+// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
-// USA.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
//
// ISO C++ 14882: 22.8 Standard locale categories.
#include <cerrno> // For errno
#include <cmath> // For isinf, finite, finitef, fabs
#include <cstdlib> // For strof, strtold
+#include <cstring>
+#include <cstdio>
#include <locale>
+#include <limits>
#ifdef _GLIBCXX_HAVE_IEEEFP_H
#include <ieeefp.h>
#endif
-namespace std
+namespace std _GLIBCXX_VISIBILITY(default)
{
- // Specializations for all types used in num_get.
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ namespace
+ {
+ struct _Save_errno
+ {
+ _Save_errno() : _M_errno(errno) { errno = 0; }
+ ~_Save_errno() { if (errno == 0) errno = _M_errno; }
+ int _M_errno;
+ };
+ }
+
template<>
void
- __convert_to_v(const char* __s, float& __v, ios_base::iostate& __err,
- const __c_locale&)
+ __convert_to_v(const char* __s, float& __v, ios_base::iostate& __err,
+ const __c_locale&) throw()
{
// Assumes __s formatted for "C" locale.
- errno = 0;
- char* __old = strdup(setlocale(LC_ALL, NULL));
+ char* __old = setlocale(LC_ALL, 0);
+ const size_t __len = strlen(__old) + 1;
+ char* __sav = new char[__len];
+ memcpy(__sav, __old, __len);
setlocale(LC_ALL, "C");
char* __sanity;
-#if defined(_GLIBCXX_HAVE_STRTOF)
- float __f = strtof(__s, &__sanity);
+ bool __overflow = false;
+
+#if !__FLT_HAS_INFINITY__
+ const _Save_errno __save_errno;
+#endif
+
+#ifdef _GLIBCXX_HAVE_STRTOF
+ __v = strtof(__s, &__sanity);
#else
double __d = strtod(__s, &__sanity);
- float __f = static_cast<float>(__d);
+ __v = static_cast<float>(__d);
#ifdef _GLIBCXX_HAVE_FINITEF
- if (!finitef (__f))
- errno = ERANGE;
+ if (!finitef (__v))
+ __overflow = true;
#elif defined (_GLIBCXX_HAVE_FINITE)
- if (!finite (static_cast<double> (__f)))
- errno = ERANGE;
+ if (!finite (static_cast<double> (__v)))
+ __overflow = true;
#elif defined (_GLIBCXX_HAVE_ISINF)
- if (isinf (static_cast<double> (__f)))
- errno = ERANGE;
+ if (isinf (static_cast<double> (__v)))
+ __overflow = true;
#else
if (fabs(__d) > numeric_limits<float>::max())
- errno = ERANGE;
+ __overflow = true;
#endif
+#endif // _GLIBCXX_HAVE_STRTOF
+
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 23. Num_get overflow result.
+ if (__sanity == __s || *__sanity != '\0')
+ {
+ __v = 0.0f;
+ __err = ios_base::failbit;
+ }
+ else if (__overflow
+#if __FLT_HAS_INFINITY__
+ || __v == numeric_limits<float>::infinity()
+ || __v == -numeric_limits<float>::infinity()
+#else
+ || ((__v > 1.0f || __v < -1.0f) && errno == ERANGE)
#endif
- if (__sanity != __s && errno != ERANGE)
- __v = __f;
- else
- __err |= ios_base::failbit;
- setlocale(LC_ALL, __old);
- free(__old);
+ )
+ {
+ if (__v > 0.0f)
+ __v = numeric_limits<float>::max();
+ else
+ __v = -numeric_limits<float>::max();
+ __err = ios_base::failbit;
+ }
+
+ setlocale(LC_ALL, __sav);
+ delete [] __sav;
}
template<>
void
- __convert_to_v(const char* __s, double& __v, ios_base::iostate& __err,
- const __c_locale&)
+ __convert_to_v(const char* __s, double& __v, ios_base::iostate& __err,
+ const __c_locale&) throw()
{
// Assumes __s formatted for "C" locale.
- errno = 0;
- char* __old = strdup(setlocale(LC_ALL, NULL));
+ char* __old = setlocale(LC_ALL, 0);
+ const size_t __len = strlen(__old) + 1;
+ char* __sav = new char[__len];
+ memcpy(__sav, __old, __len);
setlocale(LC_ALL, "C");
char* __sanity;
- double __d = strtod(__s, &__sanity);
- if (__sanity != __s && errno != ERANGE)
- __v = __d;
- else
- __err |= ios_base::failbit;
- setlocale(LC_ALL, __old);
- free(__old);
+
+#if !__DBL_HAS_INFINITY__
+ const _Save_errno __save_errno;
+#endif
+
+ __v = strtod(__s, &__sanity);
+
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 23. Num_get overflow result.
+ if (__sanity == __s || *__sanity != '\0')
+ {
+ __v = 0.0;
+ __err = ios_base::failbit;
+ }
+ else if (
+#if __DBL_HAS_INFINITY__
+ __v == numeric_limits<double>::infinity()
+ || __v == -numeric_limits<double>::infinity())
+#else
+ (__v > 1.0 || __v < -1.0) && errno == ERANGE)
+#endif
+ {
+ if (__v > 0.0)
+ __v = numeric_limits<double>::max();
+ else
+ __v = -numeric_limits<double>::max();
+ __err = ios_base::failbit;
+ }
+
+ setlocale(LC_ALL, __sav);
+ delete [] __sav;
}
template<>
void
- __convert_to_v(const char* __s, long double& __v,
- ios_base::iostate& __err, const __c_locale&)
+ __convert_to_v(const char* __s, long double& __v,
+ ios_base::iostate& __err, const __c_locale&) throw()
{
// Assumes __s formatted for "C" locale.
- errno = 0;
- char* __old = strdup(setlocale(LC_ALL, NULL));
+ char* __old = setlocale(LC_ALL, 0);
+ const size_t __len = strlen(__old) + 1;
+ char* __sav = new char[__len];
+ memcpy(__sav, __old, __len);
setlocale(LC_ALL, "C");
-#if defined(_GLIBCXX_HAVE_STRTOLD)
+
+#if !__LDBL_HAS_INFINITY__
+ const _Save_errno __save_errno;
+#endif
+
+#if defined(_GLIBCXX_HAVE_STRTOLD) && !defined(_GLIBCXX_HAVE_BROKEN_STRTOLD)
char* __sanity;
- long double __ld = strtold(__s, &__sanity);
- if (__sanity != __s && errno != ERANGE)
- __v = __ld;
+ __v = strtold(__s, &__sanity);
+
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 23. Num_get overflow result.
+ if (__sanity == __s || *__sanity != '\0')
#else
typedef char_traits<char>::int_type int_type;
- long double __ld;
- int __p = sscanf(__s, "%Lf", &__ld);
- if (__p && static_cast<int_type>(__p) != char_traits<char>::eof()
- && errno != ERANGE)
- __v = __ld;
+ int __p = sscanf(__s, "%Lf", &__v);
+
+ if (!__p || static_cast<int_type>(__p) == char_traits<char>::eof())
+#endif
+ {
+ __v = 0.0l;
+ __err = ios_base::failbit;
+ }
+ else if (
+#if __LDBL_HAS_INFINITY__
+ __v == numeric_limits<long double>::infinity()
+ || __v == -numeric_limits<long double>::infinity())
+#else
+ (__v > 1.0l || __v < -1.0l) && errno == ERANGE)
#endif
- else
- __err |= ios_base::failbit;
- setlocale(LC_ALL, __old);
- free(__old);
+ {
+ if (__v > 0.0l)
+ __v = numeric_limits<long double>::max();
+ else
+ __v = -numeric_limits<long double>::max();
+ __err = ios_base::failbit;
+ }
+
+ setlocale(LC_ALL, __sav);
+ delete [] __sav;
}
void
- locale::facet::_S_create_c_locale(__c_locale& __cloc, const char* __s,
+ locale::facet::_S_create_c_locale(__c_locale& __cloc, const char* __s,
__c_locale)
{
// Currently, the generic model only supports the "C" locale.
// See http://gcc.gnu.org/ml/libstdc++/2003-02/msg00345.html
- __cloc = NULL;
+ __cloc = 0;
if (strcmp(__s, "C"))
__throw_runtime_error(__N("locale::facet::_S_create_c_locale "
"name not valid"));
void
locale::facet::_S_destroy_c_locale(__c_locale& __cloc)
- { __cloc = NULL; }
+ { __cloc = 0; }
__c_locale
- locale::facet::_S_clone_c_locale(__c_locale&)
+ locale::facet::_S_clone_c_locale(__c_locale&) throw()
{ return __c_locale(); }
-} // namespace std
-namespace __gnu_cxx
+ __c_locale
+ locale::facet::_S_lc_ctype_c_locale(__c_locale, const char*)
+ { return __c_locale(); }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
const char* const category_names[6 + _GLIBCXX_NUM_CATEGORIES] =
{
- "LC_CTYPE",
+ "LC_CTYPE",
"LC_NUMERIC",
- "LC_TIME",
- "LC_COLLATE",
+ "LC_TIME",
+ "LC_COLLATE",
"LC_MONETARY",
"LC_MESSAGES"
};
-}
-namespace std
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+namespace std _GLIBCXX_VISIBILITY(default)
{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
const char* const* const locale::_S_categories = __gnu_cxx::category_names;
-} // namespace std
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+// XXX GLIBCXX_ABI Deprecated
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
+ extern "C" void ldbl (void) __attribute__ ((alias (#dbl)))
+_GLIBCXX_LDBL_COMPAT(_ZSt14__convert_to_vIdEvPKcRT_RSt12_Ios_IostateRKPi, _ZSt14__convert_to_vIeEvPKcRT_RSt12_Ios_IostateRKPi);
+#endif // _GLIBCXX_LONG_DOUBLE_COMPAT
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