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-rw-r--r--contrib/libio/indstream.h77
1 files changed, 0 insertions, 77 deletions
diff --git a/contrib/libio/indstream.h b/contrib/libio/indstream.h
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index c4558623d079..000000000000
--- a/contrib/libio/indstream.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/* This is part of libio/iostream, providing -*- C++ -*- input/output.
-Copyright (C) 1993 Free Software Foundation
-
-This file is part of the GNU IO 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, if you link this library with files
-compiled with a GNU compiler to produce an executable, this does not 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.
-
-Written by Per Bothner (bothner@cygnus.com). */
-
-#ifndef _INDSTREAM_H
-#define _INDSTREAM_H
-
-#ifdef __GNUG__
-#pragma interface
-#endif
-
-#include <iostream.h>
-
-extern "C++" {
-// An indirectbuf is one that forwards all of its I/O requests
-// to another streambuf.
-// All get-related requests are sent to get_stream().
-// All put-related requests are sent to put_stream().
-
-// An indirectbuf can be used to implement Common Lisp
-// synonym-streams and two-way-streams.
-//
-// class synonymbuf : public indirectbuf {
-// Symbol *sym;
-// synonymbuf(Symbol *s) { sym = s; }
-// virtual streambuf *lookup_stream(int mode) {
-// return coerce_to_streambuf(lookup_value(sym)); }
-// };
-
-class indirectbuf : public streambuf {
- protected:
- streambuf *_get_stream; // Optional cache for get_stream().
- streambuf *_put_stream; // Optional cache for put_stream().
- int _delete_flags;
- public:
- streambuf *get_stream()
- { return _get_stream ? _get_stream : lookup_stream(ios::in); }
- streambuf *put_stream()
- { return _put_stream ? _put_stream : lookup_stream(ios::out); }
- virtual streambuf *lookup_stream(int/*mode*/) { return NULL; } // ERROR!
- indirectbuf(streambuf *get=NULL, streambuf *put=NULL, int delete_mode=0);
- virtual ~indirectbuf();
- virtual streamsize xsputn(const char* s, streamsize n);
- virtual streamsize xsgetn(char* s, streamsize n);
- virtual int underflow();
- virtual int uflow();
- virtual int overflow(int c = EOF);
- virtual streampos seekoff(streamoff, _seek_dir, int mode=ios::in|ios::out);
- virtual streampos seekpos(streampos pos, int mode = ios::in|ios::out);
- virtual int sync();
- virtual int pbackfail(int c);
-};
-} // extern "C++"
-
-#endif /* !_INDSTREAM_H */