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Diffstat (limited to 'libio/fstream.h')
-rw-r--r-- | libio/fstream.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/libio/fstream.h b/libio/fstream.h new file mode 100644 index 00000000000..ea98f5caed0 --- /dev/null +++ b/libio/fstream.h @@ -0,0 +1,92 @@ +/* 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. */ + +#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*/ |