1/* This is part of libio/iostream, providing -*- C++ -*- input/output. 2Copyright (C) 1993, 2000 Free Software Foundation 3 4This file is part of the GNU IO Library. This library is free 5software; you can redistribute it and/or modify it under the 6terms of the GNU General Public License as published by the 7Free Software Foundation; either version 2, or (at your option) 8any later version. 9 10This library is distributed in the hope that it will be useful, 11but WITHOUT ANY WARRANTY; without even the implied warranty of 12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13GNU General Public License for more details. 14 15You should have received a copy of the GNU General Public License 16along with this library; see the file COPYING. If not, write to the Free 17Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 19As a special exception, if you link this library with files 20compiled with a GNU compiler to produce an executable, this does not cause 21the resulting executable to be covered by the GNU General Public License. 22This exception does not however invalidate any other reasons why 23the executable file might be covered by the GNU General Public License. */ 24 25#ifndef _FSTREAM_H 26#define _FSTREAM_H 27#ifdef __GNUG__ 28#pragma interface 29#endif 30#include <iostream.h> 31 32extern "C++" { 33class fstreambase : virtual public ios { 34#ifdef _IO_NEW_STREAMS 35 mutable filebuf __my_fb; // mutable so rdbuf() can be const 36#endif 37 void __fb_init (); 38 public: 39 fstreambase(); 40 fstreambase(int fd); 41 fstreambase(int fd, char *p, int l); /* Deprecated */ 42 fstreambase(const char *name, int mode, int prot=0664); 43 void close(); 44#ifdef _IO_NEW_STREAMS 45 filebuf* rdbuf() const { return &__my_fb; } 46#else 47 filebuf* rdbuf() const { return (filebuf*) ios::rdbuf(); } 48#endif 49 void open(const char *name, int mode, int prot=0664); 50 int is_open() const { return rdbuf()->is_open(); } 51 void setbuf(char *ptr, int len) { rdbuf()->setbuf(ptr, len); } 52 void attach(int fd); 53#ifdef _STREAM_COMPAT 54 int filedesc() { return rdbuf()->fd(); } 55 fstreambase& raw() { rdbuf()->setbuf(NULL, 0); return *this; } 56#endif 57}; 58 59class ifstream : public fstreambase, public istream { 60 public: 61 ifstream() : fstreambase() { } 62 ifstream(int fd) : fstreambase(fd) { } 63 ifstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/ 64 ifstream(const char *name, int mode=ios::in, int prot=0664) 65 : fstreambase(name, mode | ios::in, prot) { } 66 void open(const char *name, int mode=ios::in, int prot=0664) 67 { fstreambase::open(name, mode | ios::in, prot); } 68}; 69 70class ofstream : public fstreambase, public ostream { 71 public: 72 ofstream() : fstreambase() { } 73 ofstream(int fd) : fstreambase(fd) { } 74 ofstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/ 75 ofstream(const char *name, int mode=ios::out, int prot=0664) 76 : fstreambase(name, mode | ios::out, prot) { } 77 void open(const char *name, int mode=ios::out, int prot=0664) 78 { fstreambase::open(name, mode | ios::out, prot); } 79}; 80 81class fstream : public fstreambase, public iostream { 82 public: 83 fstream() : fstreambase() { } 84 fstream(int fd) : fstreambase(fd) { } 85 fstream(const char *name, int mode, int prot=0664) 86 : fstreambase(name, mode, prot) { } 87 fstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/ 88 void open(const char *name, int mode, int prot=0664) 89 { fstreambase::open(name, mode, prot); } 90}; 91} // extern "C++" 92#endif /*!_FSTREAM_H*/ 93