Update copyright years.

[thirdparty/gcc.git] / libstdc++-v3 / include / bits / basic_ios.tcc

diff --git a/libstdc++-v3/include/bits/basic_ios.tcc b/libstdc++-v3/include/bits/basic_ios.tcc
index 399e93ae7371ae572a8e339798069f5966e9d5cf..a9313736e327cd6ff523e29b20763e5866ccc9ca 100644 (file)
--- a/libstdc++-v3/include/bits/basic_ios.tcc
+++ b/libstdc++-v3/include/bits/basic_ios.tcc
@@ -1,12 +1,11 @@
 // basic_ios member functions -*- C++ -*-
 
-// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
-// Free Software Foundation, Inc.
+// Copyright (C) 1999-2024 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,
@@ -14,23 +13,18 @@
 // 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.
-
-/** @file basic_ios.tcc
+// 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/>.
+
+/** @file bits/basic_ios.tcc
  *  This is an internal header file, included by other library headers.
- *  You should not attempt to use it directly.
+ *  Do not attempt to use it directly. @headername{ios}
  */
 
 #ifndef _BASIC_IOS_TCC
@@ -38,7 +32,9 @@
 
 #pragma GCC system_header
 
-_GLIBCXX_BEGIN_NAMESPACE(std)
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
 
   template<typename _CharT, typename _Traits>
     void
@@ -47,7 +43,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
       if (this->rdbuf())
        _M_streambuf_state = __state;
       else
-         _M_streambuf_state = __state | badbit;
+       _M_streambuf_state = __state | badbit;
       if (this->exceptions() & this->rdstate())
        __throw_ios_failure(__N("basic_ios::clear"));
     }
@@ -68,7 +64,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
     {
       // _GLIBCXX_RESOLVE_LIB_DEFECTS
       // 292. effects of a.copyfmt (a)
-      if (this != &__rhs)
+      if (this != std::__addressof(__rhs))
        {
          // Per 27.1.1, do not call imbue, yet must trash all caches
          // associated with imbue()
@@ -160,25 +156,13 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
     void
     basic_ios<_CharT, _Traits>::_M_cache_locale(const locale& __loc)
     {
-      if (__builtin_expect(has_facet<__ctype_type>(__loc), true))
-       _M_ctype = &use_facet<__ctype_type>(__loc);
-      else
-       _M_ctype = 0;
-
-      if (__builtin_expect(has_facet<__num_put_type>(__loc), true))
-       _M_num_put = &use_facet<__num_put_type>(__loc);
-      else
-       _M_num_put = 0;
-
-      if (__builtin_expect(has_facet<__num_get_type>(__loc), true))
-       _M_num_get = &use_facet<__num_get_type>(__loc);
-      else
-       _M_num_get = 0;
+      _M_ctype = std::__try_use_facet<__ctype_type>(__loc);
+      _M_num_put = std::__try_use_facet<__num_put_type>(__loc);
+      _M_num_get = std::__try_use_facet<__num_get_type>(__loc);
     }
 
   // Inhibit implicit instantiations for required instantiations,
   // which are defined via explicit instantiations elsewhere.
-  // NB:  This syntax is a GNU extension.
 #if _GLIBCXX_EXTERN_TEMPLATE
   extern template class basic_ios<char>;
 
@@ -187,6 +171,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
 #endif
 #endif
 
-_GLIBCXX_END_NAMESPACE
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace std
 
 #endif