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Diffstat (limited to 'libstdc++-v3/config/locale/dragonfly/c_locale.cc')
-rw-r--r--libstdc++-v3/config/locale/dragonfly/c_locale.cc299
1 files changed, 299 insertions, 0 deletions
diff --git a/libstdc++-v3/config/locale/dragonfly/c_locale.cc b/libstdc++-v3/config/locale/dragonfly/c_locale.cc
new file mode 100644
index 00000000000..b698f821ad8
--- /dev/null
+++ b/libstdc++-v3/config/locale/dragonfly/c_locale.cc
@@ -0,0 +1,299 @@
+// Wrapper for underlying C-language localization -*- C++ -*-
+
+// Copyright (C) 2014 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 3, 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.
+
+// 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.
+
+// 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.
+//
+
+// 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 <cstdio>
+#include <locale>
+#include <limits>
+
+#ifdef _GLIBCXX_HAVE_IEEEFP_H
+#include <ieeefp.h>
+#endif
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ template<>
+ void
+ __convert_to_v(const char* __s, float& __v, ios_base::iostate& __err,
+ const __c_locale&) throw()
+ {
+ // Assumes __s formatted for "C" locale.
+ 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;
+ bool __overflow = false;
+
+#if !__FLT_HAS_INFINITY__
+ errno = 0;
+#endif
+
+#ifdef _GLIBCXX_HAVE_STRTOF
+ __v = strtof(__s, &__sanity);
+#else
+ double __d = strtod(__s, &__sanity);
+ __v = static_cast<float>(__d);
+#ifdef _GLIBCXX_HAVE_FINITEF
+ if (!finitef (__v))
+ __overflow = true;
+#elif defined (_GLIBCXX_HAVE_FINITE)
+ if (!finite (static_cast<double> (__v)))
+ __overflow = true;
+#elif defined (_GLIBCXX_HAVE_ISINF)
+ if (isinf (static_cast<double> (__v)))
+ __overflow = true;
+#else
+ if (fabs(__d) > numeric_limits<float>::max())
+ __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 (__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&) throw()
+ {
+ // Assumes __s formatted for "C" locale.
+ 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 !__DBL_HAS_INFINITY__
+ errno = 0;
+#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&) throw()
+ {
+ // Assumes __s formatted for "C" locale.
+ 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 !__LDBL_HAS_INFINITY__
+ errno = 0;
+#endif
+
+#if defined(_GLIBCXX_HAVE_STRTOLD) && !defined(_GLIBCXX_HAVE_BROKEN_STRTOLD)
+ char* __sanity;
+ __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;
+ 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
+ {
+ 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;
+ }
+
+
+ /* DragonFly's implementation of setlocale won't accept something like
+ "de_DE". According to nls manpage, the expected format is:
+ language[_territory][.codeset][@modifier], but it seems that both
+ the _territory and .codeset components are required.
+
+ As an attempt to correct for this, we'll tack on ".UTF-8" if
+ a period is not detected in the locale string.
+
+ There are no locales with modifiers on DragonFly so if found, they
+ will just be stripped off silently. e.g "de_DE@euro" will be reduced
+ to "de_DE". The UTF-8 default would be added after that.
+ */
+
+ void
+ locale::facet::_S_create_c_locale(__c_locale& __cloc, const char* __s,
+ __c_locale)
+ {
+ const size_t size__s = (__s == NULL) ? 1 : strlen (__s);
+ const char UTF8[] = ".UTF-8";
+ char localspec[size__s + 6 + 1];
+
+ if (__s == NULL) {
+ localspec[0] = '\0';
+ } else {
+ strcpy (localspec, __s);
+ char * pch = strchr (localspec, '@');
+ if (pch != NULL)
+ *pch = 0;
+
+ if ( (strchr (__s, '.') == NULL)
+ && (strcmp (__s, "C") != 0)
+ && (strcmp (__s, "POSIX") != 0))
+ strncat (localspec, UTF8, 6);
+ }
+
+ const char * result = std::setlocale(LC_ALL, localspec);
+
+ if ((strcmp(result, "C") != 0) && (strcmp (result, localspec) != 0))
+ __throw_runtime_error(__N("locale::facet::_S_create_c_locale "
+ "name not valid"));
+ __cloc = 0;
+ }
+
+ void
+ locale::facet::_S_destroy_c_locale(__c_locale& __cloc)
+ { __cloc = 0; }
+
+ __c_locale
+ locale::facet::_S_clone_c_locale(__c_locale&) throw()
+ { return __c_locale(); }
+
+ __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_NUMERIC",
+ "LC_TIME",
+ "LC_COLLATE",
+ "LC_MONETARY",
+ "LC_MESSAGES"
+ };
+
+_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;
+
+_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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