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111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
/* This is part of libio/iostream, providing -*- C++ -*- input/output.
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Copyright (C) 1993 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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Written by Per Bothner (bothner@cygnus.com). */
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#define _STREAM_COMPAT
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extern "C" {
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#include "libioP.h"
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}
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#include <fstream.h>
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inline void
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fstreambase::__fb_init()
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{
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#ifdef _IO_NEW_STREAMS
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#if !_IO_UNIFIED_JUMPTABLES
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/* Uses the _IO_file_jump jumptable, for eficiency. */
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__my_fb._jumps = &_IO_file_jumps;
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__my_fb._vtable() = builtinbuf_vtable;
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#endif
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init (&__my_fb);
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#else
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init(filebuf::__new());
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_flags &= ~ios::dont_close;
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#endif
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}
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fstreambase::fstreambase()
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{
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__fb_init ();
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}
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fstreambase::fstreambase(int fd)
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{
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__fb_init ();
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_IO_file_attach(rdbuf(), fd);
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}
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fstreambase::fstreambase(const char *name, int mode, int prot)
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{
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__fb_init ();
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if (!rdbuf()->open(name, mode, prot))
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set(ios::badbit);
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}
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fstreambase::fstreambase(int fd, char *p, int l)
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{
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#ifdef _IO_NEW_STREAMS
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__fb_init ();
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#else
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init(filebuf::__new());
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#endif
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_IO_file_attach(rdbuf(), fd);
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_IO_file_setbuf(rdbuf(), p, l);
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}
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void fstreambase::open(const char *name, int mode, int prot)
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{
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clear();
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if (!rdbuf()->open(name, mode, prot))
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set(ios::badbit);
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}
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void fstreambase::close()
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{
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if (!rdbuf()->close())
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set(ios::failbit);
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}
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void fstreambase::attach(int fd)
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{
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if (!rdbuf()->attach(fd))
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set(ios::failbit);
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}
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#if 0
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static int mode_to_sys(enum open_mode mode)
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{
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return O_WRONLY;
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}
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static char* fopen_cmd_arg(io_mode i)
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{
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return "w";
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}
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#endif
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