gcc/libstdc++-v3/config/locale/c_locale_gnu.cc
Benjamin Kosnik 2a4e640755 c_locale_gnu.cc: Same errno fixes as generic.
2002-01-30  Benjamin Kosnik  <bkoz@redhat.com>

	* config/locale/c_locale_gnu.cc: Same errno fixes as generic.

From-SVN: r49354
2002-01-31 01:21:08 +00:00

189 lines
5.2 KiB
C++

// Wrapper for underlying C-language localization -*- C++ -*-
// Copyright (C) 2001, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// 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 <locale>
#include <stdexcept>
#include <langinfo.h>
namespace std
{
template<>
void
__convert_to_v(const char* __s, long& __v, ios_base::iostate& __err,
const __c_locale& __cloc, int __base)
{
if (!(__err & ios_base::failbit))
{
char* __sanity;
errno = 0;
long __l = __strtol_l(__s, &__sanity, __base, __cloc);
if (__sanity != __s && *__sanity == '\0' && errno != ERANGE)
__v = __l;
else
__err |= ios_base::failbit;
}
}
template<>
void
__convert_to_v(const char* __s, unsigned long& __v,
ios_base::iostate& __err, const __c_locale& __cloc,
int __base)
{
if (!(__err & ios_base::failbit))
{
char* __sanity;
errno = 0;
unsigned long __ul = __strtoul_l(__s, &__sanity, __base, __cloc);
if (__sanity != __s && *__sanity == '\0' && errno != ERANGE)
__v = __ul;
else
__err |= ios_base::failbit;
}
}
#ifdef _GLIBCPP_USE_LONG_LONG
template<>
void
__convert_to_v(const char* __s, long long& __v, ios_base::iostate& __err,
const __c_locale& __cloc, int __base)
{
if (!(__err & ios_base::failbit))
{
char* __sanity;
errno = 0;
long long __ll = __strtoll_l(__s, &__sanity, __base, __cloc);
if (__sanity != __s && *__sanity == '\0' && errno != ERANGE)
__v = __ll;
else
__err |= ios_base::failbit;
}
}
template<>
void
__convert_to_v(const char* __s, unsigned long long& __v,
ios_base::iostate& __err, const __c_locale& __cloc,
int __base)
{
if (!(__err & ios_base::failbit))
{
char* __sanity;
errno = 0;
unsigned long long __ull = __strtoull_l(__s, &__sanity, __base,
__cloc);
if (__sanity != __s && *__sanity == '\0' && errno != ERANGE)
__v = __ull;
else
__err |= ios_base::failbit;
}
}
#endif
template<>
void
__convert_to_v(const char* __s, float& __v, ios_base::iostate& __err,
const __c_locale& __cloc, int)
{
if (!(__err & ios_base::failbit))
{
char* __sanity;
errno = 0;
float __f = __strtof_l(__s, &__sanity, __cloc);
if (__sanity != __s && *__sanity == '\0' && errno != ERANGE)
__v = __f;
else
__err |= ios_base::failbit;
}
}
template<>
void
__convert_to_v(const char* __s, double& __v, ios_base::iostate& __err,
const __c_locale& __cloc, int)
{
if (!(__err & ios_base::failbit))
{
char* __sanity;
errno = 0;
double __d = __strtod_l(__s, &__sanity, __cloc);
if (__sanity != __s && *__sanity == '\0' && errno != ERANGE)
__v = __d;
else
__err |= ios_base::failbit;
}
}
template<>
void
__convert_to_v(const char* __s, long double& __v, ios_base::iostate& __err,
const __c_locale& __cloc, int)
{
if (!(__err & ios_base::failbit))
{
char* __sanity;
errno = 0;
long double __ld = __strtold_l(__s, &__sanity, __cloc);
if (__sanity != __s && *__sanity == '\0' && errno != ERANGE)
__v = __ld;
else
__err |= ios_base::failbit;
}
}
void
locale::facet::_S_create_c_locale(__c_locale& __cloc, const char* __s)
{
// XXX
// Perhaps locale::categories could be made equivalent to LC_*_MASK ?
// _M_c_locale = __newlocale(1 << LC_ALL, __s, 0);
// _M_c_locale = __newlocale(locale::all, __s, 0);
__cloc = __newlocale(1 << LC_ALL, __s, 0);
if (!__cloc)
{
// This named locale is not supported by the underlying OS.
__throw_runtime_error("attempt to create locale from unknown name");
}
}
void
locale::facet::_S_destroy_c_locale(__c_locale& __cloc)
{ __freelocale(__cloc); }
__c_locale
locale::facet::_S_clone_c_locale(__c_locale& __cloc)
{ return __duplocale(__cloc); }
} // namespace std