/* This is part of libio/iostream, providing -*- C++ -*- input/output.Copyright (C) 1993 Free Software FoundationThis file is part of the GNU IO Library.  This library is freesoftware; you can redistribute it and/or modify it under theterms of the GNU General Public License as published by theFree 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 ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with this library; see the file COPYING.  If not, write to the FreeSoftware Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.As a special exception, if you link this library with filescompiled with a GNU compiler to produce an executable, this does not causethe resulting executable to be covered by the GNU General Public License.This exception does not however invalidate any other reasons whythe executable file might be covered by the GNU General Public License. */#ifndef _FSTREAM_H#define _FSTREAM_H#ifdef __GNUG__#pragma interface#endif#include <iostream.h>extern "C++" {class fstreambase : virtual public ios {#ifdef _IO_NEW_STREAMS    mutable filebuf __my_fb; // mutable so rdbuf() can be const#endif    void __fb_init ();  public:    fstreambase();    fstreambase(int fd);    fstreambase(int fd, char *p, int l); /* Deprecated */    fstreambase(const char *name, int mode, int prot=0664);    void close();#ifdef _IO_NEW_STREAMS    filebuf* rdbuf() const { return &__my_fb; }#else    filebuf* rdbuf() const { return (filebuf*) ios::rdbuf(); }#endif    void open(const char *name, int mode, int prot=0664);    int is_open() const { return rdbuf()->is_open(); }    void setbuf(char *ptr, int len) { rdbuf()->setbuf(ptr, len); }    void attach(int fd);#ifdef _STREAM_COMPAT    int filedesc() { return rdbuf()->fd(); }    fstreambase& raw() { rdbuf()->setbuf(NULL, 0); return *this; }#endif};class ifstream : public fstreambase, public istream {  public:    ifstream() : fstreambase() { }    ifstream(int fd) : fstreambase(fd) { }    ifstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/    ifstream(const char *name, int mode=ios::in, int prot=0664)	: fstreambase(name, mode, prot) { }    void open(const char *name, int mode=ios::in, int prot=0664)	{ fstreambase::open(name, mode, prot); }};class ofstream : public fstreambase, public ostream {  public:    ofstream() : fstreambase() { }    ofstream(int fd) : fstreambase(fd) { }    ofstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/    ofstream(const char *name, int mode=ios::out, int prot=0664)	: fstreambase(name, mode, prot) { }    void open(const char *name, int mode=ios::out, int prot=0664)	{ fstreambase::open(name, mode, prot); }};class fstream : public fstreambase, public iostream {  public:    fstream() : fstreambase() { }    fstream(int fd) : fstreambase(fd) { }    fstream(const char *name, int mode, int prot=0664)	: fstreambase(name, mode, prot) { }    fstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/    void open(const char *name, int mode, int prot=0664)	{ fstreambase::open(name, mode, prot); }};} // extern "C++"#endif /*!_FSTREAM_H*/