18efbe5176
PR libstdc++/31836 * config/locale/generic/c_locale.cc (__convert_to_v): Don't use strtold if _GLIBCXX_HAVE_BROKEN_STRTOLD is defined. * config/os/hpux/os_defines.h (_GLIBCXX_HAVE_BROKEN_STRTOLD): Define if __hppa__ is defined. From-SVN: r126914
233 lines
6.3 KiB
C++
233 lines
6.3 KiB
C++
// Wrapper for underlying C-language localization -*- C++ -*-
|
|
|
|
// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
|
|
// 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)
|
|
// any later version.
|
|
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// 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.
|
|
|
|
// 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.
|
|
|
|
//
|
|
// ISO C++ 14882: 22.8 Standard locale categories.
|
|
//
|
|
|
|
// Written by Benjamin Kosnik <bkoz@redhat.com>
|
|
|
|
#include <cerrno> // For errno
|
|
#include <cmath> // For isinf, finite, finitef, fabs
|
|
#include <cstdlib> // For strof, strtold
|
|
#include <cstring>
|
|
#include <locale>
|
|
#include <limits>
|
|
#include <cstddef>
|
|
|
|
#ifdef _GLIBCXX_HAVE_IEEEFP_H
|
|
#include <ieeefp.h>
|
|
#endif
|
|
|
|
_GLIBCXX_BEGIN_NAMESPACE(std)
|
|
|
|
// Specializations for all types used in num_get.
|
|
template<>
|
|
void
|
|
__convert_to_v(const char* __s, float& __v, ios_base::iostate& __err,
|
|
const __c_locale&)
|
|
{
|
|
// Assumes __s formatted for "C" locale.
|
|
char* __old = setlocale(LC_ALL, NULL);
|
|
const size_t __len = strlen(__old) + 1;
|
|
char* __sav = new char[__len];
|
|
memcpy(__sav, __old, __len);
|
|
setlocale(LC_ALL, "C");
|
|
char* __sanity;
|
|
|
|
#if !__FLT_HAS_INFINITY__
|
|
errno = 0;
|
|
#endif
|
|
|
|
#if defined(_GLIBCXX_HAVE_STRTOF)
|
|
float __f = strtof(__s, &__sanity);
|
|
#else
|
|
double __d = strtod(__s, &__sanity);
|
|
float __f = static_cast<float>(__d);
|
|
#ifdef _GLIBCXX_HAVE_FINITEF
|
|
if (!finitef (__f))
|
|
__s = __sanity;
|
|
#elif defined (_GLIBCXX_HAVE_FINITE)
|
|
if (!finite (static_cast<double> (__f)))
|
|
__s = __sanity;
|
|
#elif defined (_GLIBCXX_HAVE_ISINF)
|
|
if (isinf (static_cast<double> (__f)))
|
|
__s = __sanity;
|
|
#else
|
|
if (fabs(__d) > numeric_limits<float>::max())
|
|
__s = __sanity;
|
|
#endif
|
|
#endif
|
|
|
|
if (__sanity != __s
|
|
#if !__FLT_HAS_INFINITY__
|
|
&& errno != ERANGE)
|
|
#else
|
|
&& __f != __builtin_huge_valf() && __f != -__builtin_huge_valf())
|
|
#endif
|
|
__v = __f;
|
|
else
|
|
__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&)
|
|
{
|
|
// Assumes __s formatted for "C" locale.
|
|
char* __old = setlocale(LC_ALL, NULL);
|
|
const size_t __len = strlen(__old) + 1;
|
|
char* __sav = new char[__len];
|
|
memcpy(__sav, __old, __len);
|
|
setlocale(LC_ALL, "C");
|
|
char* __sanity;
|
|
|
|
#if !__DBL_HAS_INFINITY__
|
|
errno = 0;
|
|
#endif
|
|
|
|
double __d = strtod(__s, &__sanity);
|
|
|
|
if (__sanity != __s
|
|
#if !__DBL_HAS_INFINITY__
|
|
&& errno != ERANGE)
|
|
#else
|
|
&& __d != __builtin_huge_val() && __d != -__builtin_huge_val())
|
|
#endif
|
|
__v = __d;
|
|
else
|
|
__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&)
|
|
{
|
|
// Assumes __s formatted for "C" locale.
|
|
char* __old = setlocale(LC_ALL, NULL);
|
|
const size_t __len = strlen(__old) + 1;
|
|
char* __sav = new char[__len];
|
|
memcpy(__sav, __old, __len);
|
|
setlocale(LC_ALL, "C");
|
|
|
|
#if !__LDBL_HAS_INFINITY__
|
|
errno = 0;
|
|
#endif
|
|
|
|
#if defined(_GLIBCXX_HAVE_STRTOLD) && !defined(_GLIBCXX_HAVE_BROKEN_STRTOLD)
|
|
char* __sanity;
|
|
long double __ld = strtold(__s, &__sanity);
|
|
|
|
if (__sanity != __s
|
|
#if !__LDBL_HAS_INFINITY__
|
|
&& errno != ERANGE)
|
|
#else
|
|
&& __ld != __builtin_huge_vall() && __ld != -__builtin_huge_vall())
|
|
#endif
|
|
__v = __ld;
|
|
|
|
#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()
|
|
#if !__LDBL_HAS_INFINITY__
|
|
&& errno != ERANGE)
|
|
#else
|
|
&& __ld != __builtin_huge_vall() && __ld != -__builtin_huge_vall())
|
|
#endif
|
|
__v = __ld;
|
|
|
|
#endif
|
|
else
|
|
__err |= ios_base::failbit;
|
|
|
|
setlocale(LC_ALL, __sav);
|
|
delete [] __sav;
|
|
}
|
|
|
|
void
|
|
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;
|
|
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; }
|
|
|
|
__c_locale
|
|
locale::facet::_S_clone_c_locale(__c_locale&)
|
|
{ return __c_locale(); }
|
|
|
|
_GLIBCXX_END_NAMESPACE
|
|
|
|
_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
|
|
|
|
const char* const category_names[6 + _GLIBCXX_NUM_CATEGORIES] =
|
|
{
|
|
"LC_CTYPE",
|
|
"LC_NUMERIC",
|
|
"LC_TIME",
|
|
"LC_COLLATE",
|
|
"LC_MONETARY",
|
|
"LC_MESSAGES"
|
|
};
|
|
|
|
_GLIBCXX_END_NAMESPACE
|
|
|
|
_GLIBCXX_BEGIN_NAMESPACE(std)
|
|
|
|
const char* const* const locale::_S_categories = __gnu_cxx::category_names;
|
|
|
|
_GLIBCXX_END_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
|