mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-24 11:29:31 +08:00
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
/* 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 _STDIOSTREAM_H
|
|
#define _STDIOSTREAM_H
|
|
|
|
#ifdef __GNUG__
|
|
#pragma interface
|
|
#endif
|
|
|
|
#include <iostream.h>
|
|
#include <stdio.h>
|
|
|
|
extern "C++" {
|
|
class stdiobuf : public filebuf {
|
|
protected:
|
|
FILE *_file;
|
|
public:
|
|
FILE* stdiofile() const { return _file; }
|
|
stdiobuf(FILE *);
|
|
~stdiobuf();
|
|
int buffered () const { return _flags & _IO_UNBUFFERED ? 0 : 1; }
|
|
void buffered (int);
|
|
virtual streamsize sys_read(char*, streamsize);
|
|
virtual streampos sys_seek(streamoff, _seek_dir);
|
|
virtual streamsize sys_write(const char*, streamsize);
|
|
virtual int sys_close();
|
|
virtual int sync();
|
|
virtual int overflow(int c = EOF);
|
|
streamsize xsputn(const char* s, streamsize n);
|
|
};
|
|
|
|
class istdiostream : public istream
|
|
{
|
|
private:
|
|
stdiobuf _file;
|
|
public:
|
|
istdiostream (FILE* __f) : istream(), _file(__f) { init(&_file); }
|
|
stdiobuf* rdbuf()/* const */ { return &_file; }
|
|
int buffered () const { return _file.buffered (); }
|
|
void buffered (int _i) { _file.buffered (_i); }
|
|
};
|
|
|
|
class ostdiostream : public ostream
|
|
{
|
|
private:
|
|
stdiobuf _file;
|
|
public:
|
|
ostdiostream (FILE* __f) : ostream(), _file(__f) { init(&_file); }
|
|
stdiobuf* rdbuf() /* const */ { return &_file; }
|
|
int buffered () const { return _file.buffered (); }
|
|
void buffered (int _i) { _file.buffered (_i); }
|
|
};
|
|
} // extern "C++"
|
|
|
|
#endif /* !_STDIOSTREAM_H */
|