mirror of
https://gcc.gnu.org/git/gcc.git
synced 2024-11-26 21:33:59 +08:00
111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
/* 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.
|
|
|
|
Written by Per Bothner (bothner@cygnus.com). */
|
|
|
|
#ifdef __GNUG__
|
|
#pragma implementation
|
|
#endif
|
|
#define _STREAM_COMPAT
|
|
extern "C" {
|
|
#include "libioP.h"
|
|
}
|
|
#include <fstream.h>
|
|
|
|
inline void
|
|
fstreambase::__fb_init()
|
|
{
|
|
#ifdef _IO_NEW_STREAMS
|
|
#if !_IO_UNIFIED_JUMPTABLES
|
|
/* Uses the _IO_file_jump jumptable, for eficiency. */
|
|
__my_fb._jumps = &_IO_file_jumps;
|
|
__my_fb._vtable() = builtinbuf_vtable;
|
|
#endif
|
|
init (&__my_fb);
|
|
#else
|
|
init(filebuf::__new());
|
|
_flags &= ~ios::dont_close;
|
|
#endif
|
|
}
|
|
|
|
fstreambase::fstreambase()
|
|
{
|
|
__fb_init ();
|
|
}
|
|
|
|
fstreambase::fstreambase(int fd)
|
|
{
|
|
__fb_init ();
|
|
_IO_file_attach(rdbuf(), fd);
|
|
}
|
|
|
|
fstreambase::fstreambase(const char *name, int mode, int prot)
|
|
{
|
|
__fb_init ();
|
|
if (!rdbuf()->open(name, mode, prot))
|
|
set(ios::badbit);
|
|
}
|
|
|
|
fstreambase::fstreambase(int fd, char *p, int l)
|
|
{
|
|
#ifdef _IO_NEW_STREAMS
|
|
__fb_init ();
|
|
#else
|
|
init(filebuf::__new());
|
|
#endif
|
|
_IO_file_attach(rdbuf(), fd);
|
|
_IO_file_setbuf(rdbuf(), p, l);
|
|
}
|
|
|
|
void fstreambase::open(const char *name, int mode, int prot)
|
|
{
|
|
clear();
|
|
if (!rdbuf()->open(name, mode, prot))
|
|
set(ios::badbit);
|
|
}
|
|
|
|
void fstreambase::close()
|
|
{
|
|
if (!rdbuf()->close())
|
|
set(ios::failbit);
|
|
}
|
|
|
|
void fstreambase::attach(int fd)
|
|
{
|
|
if (!rdbuf()->attach(fd))
|
|
set(ios::failbit);
|
|
}
|
|
|
|
#if 0
|
|
static int mode_to_sys(enum open_mode mode)
|
|
{
|
|
return O_WRONLY;
|
|
}
|
|
|
|
static char* fopen_cmd_arg(io_mode i)
|
|
{
|
|
return "w";
|
|
}
|
|
#endif
|