wrap_langinfo.h: New file.

2000-11-12  Brent Verner  <brent@rcfile.org>

        * include/c_std/bits/wrap_langinfo.h: New file.
        * include/c_std/langinfo.h: New file.
        * include/bits/codecvt.h (__enc_trants::__enc_traits()): Bring in
	CODESET from _C_legacy::CODESET if using shadow headers.

From-SVN: r37436

libstdc++-v3/ChangeLog

+2000-11-12  Brent Verner  <brent@rcfile.org>
+
+        * include/c_std/bits/wrap_langinfo.h: New file.
+        * include/c_std/langinfo.h: New file.
+        * include/bits/codecvt.h (__enc_trants::__enc_traits()): Bring in
+	CODESET from _C_legacy::CODESET if using shadow headers.
+
 2000-11-12  Mark Mitchell  <mark@codesourcery.com>
 
 	* include/c/bits/std_cmath.h (abs): Change extern "C" declaration
@@ -7,7 +14,7 @@
 	* config/os/solaris/solaris2.7/bits/os_defines.h: Define
 	__EXTENSIONS__.
 
-Sat Nov 11 20:25:49 2000  Mark P Mitchell  <mark@codesourcery.com>
+2000-11-11  Mark P Mitchell  <mark@codesourcery.com>
 
 	* include/bits/basic_file.h (__basic_file): Don't use __c_wfile_type
 	when _GLIBCPP_USE_WCHAR_T is not defined.

libstdc++-v3/include/bits/codecvt.h

@@ -46,13 +46,20 @@
 
 namespace std
 {
-  // XXX __enc_traits may need to move up the locale header hierarchy,
+  // XXX 
+  // __enc_traits may need to move up the locale header hierarchy,
   // depending on if ctype ends up using it.
+
 #ifdef _GLIBCPP_USE_WCHAR_T
   // Extensions to use icov for dealing with character encodings,
   // including conversions and comparisons between various character
   // sets.  This object encapsulates data that may need to be shared between
   // char_traits, codecvt and ctype.
+
+#if _GLIBCPP_USE_SHADOW_HEADERS
+  using _C_legacy::CODESET;
+#endif
+
   class __enc_traits
   {
   public:

libstdc++-v3/include/c_std/bits/wrap_langinfo.h

+// -*- C++ -*- header wrapper.
+
+// Copyright (C) 2000 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: 20.5 Extensions
+//
+
+#ifndef _CPP_WRAP_LANGINFO_H
+#define _CPP_WRAP_LANGINFO_H 1
+
+namespace _C_legacy {
+  extern "C" {
+#     define _IN_C_LEGACY_
+#     pragma GCC system_header
+#     include_next <langinfo.h>
+  }
+} // namespace _C_legacy
+
+# undef _IN_C_LEGACY_
+
+#endif
+
+

libstdc++-v3/include/c_std/langinfo.h

+// -*- C++ -*- header wrapper.
+
+// Copyright (C) 2000 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.
+
+
+#ifndef  _INCLUDED_CPP_LANGINFO_H_
+# define _INCLUDED_CPP_LANGINFO_H_ 1
+
+# ifdef _IN_C_LEGACY_  /* sub-included by a C header */
+      // get out of the "legacy"
+    } // close extern "C"
+  }   // close namespace _C_legacy::
+#  undef _IN_C_LEGACY_
+#  define _LANGINFO_NEED_C_LEGACY_
+# endif
+
+# include <bits/wrap_langinfo.h>
+
+# ifdef _LANGINFO_NEED_C_LEGACY_
+  // dive back into the "swamp"
+  namespace _C_legacy {
+    extern "C" {
+#  define _IN_C_LEGACY_
+#  undef _LANGINFO_NEED_C_LEGACY_
+# endif /* _LANGINFO_NEED_C_LEGACY_ */
+#endif /* _INCLUDED_CPP_LANGINFO_H_ */
+
+
+
+