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93 lines
3.4 KiB
C++
93 lines
3.4 KiB
C++
/* This is part of libio/iostream, providing -*- C++ -*- input/output.
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Copyright (C) 1993, 2000 Free Software Foundation
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This file is part of the GNU IO Library. This library is free
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software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option)
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any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this library; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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As a special exception, if you link this library with files
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compiled with a GNU compiler to produce an executable, this does not cause
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the resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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#ifndef _FSTREAM_H
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#define _FSTREAM_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include <iostream.h>
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extern "C++" {
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class fstreambase : virtual public ios {
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#ifdef _IO_NEW_STREAMS
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mutable filebuf __my_fb; // mutable so rdbuf() can be const
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#endif
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void __fb_init ();
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public:
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fstreambase();
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fstreambase(int fd);
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fstreambase(int fd, char *p, int l); /* Deprecated */
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fstreambase(const char *name, int mode, int prot=0664);
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void close();
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#ifdef _IO_NEW_STREAMS
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filebuf* rdbuf() const { return &__my_fb; }
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#else
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filebuf* rdbuf() const { return (filebuf*) ios::rdbuf(); }
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#endif
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void open(const char *name, int mode, int prot=0664);
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int is_open() const { return rdbuf()->is_open(); }
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void setbuf(char *ptr, int len) { rdbuf()->setbuf(ptr, len); }
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void attach(int fd);
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#ifdef _STREAM_COMPAT
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int filedesc() { return rdbuf()->fd(); }
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fstreambase& raw() { rdbuf()->setbuf(NULL, 0); return *this; }
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#endif
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};
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class ifstream : public fstreambase, public istream {
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public:
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ifstream() : fstreambase() { }
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ifstream(int fd) : fstreambase(fd) { }
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ifstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/
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ifstream(const char *name, int mode=ios::in, int prot=0664)
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: fstreambase(name, mode | ios::in, prot) { }
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void open(const char *name, int mode=ios::in, int prot=0664)
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{ fstreambase::open(name, mode | ios::in, prot); }
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};
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class ofstream : public fstreambase, public ostream {
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public:
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ofstream() : fstreambase() { }
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ofstream(int fd) : fstreambase(fd) { }
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ofstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/
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ofstream(const char *name, int mode=ios::out, int prot=0664)
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: fstreambase(name, mode | ios::out, prot) { }
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void open(const char *name, int mode=ios::out, int prot=0664)
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{ fstreambase::open(name, mode | ios::out, prot); }
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};
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class fstream : public fstreambase, public iostream {
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public:
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fstream() : fstreambase() { }
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fstream(int fd) : fstreambase(fd) { }
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fstream(const char *name, int mode, int prot=0664)
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: fstreambase(name, mode, prot) { }
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fstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/
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void open(const char *name, int mode, int prot=0664)
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{ fstreambase::open(name, mode, prot); }
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};
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} // extern "C++"
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#endif /*!_FSTREAM_H*/
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