2 Copyright (C) 1993, 1994 Free Software Foundation
4 This file is part of the GNU IO Library. This library is free
5 software; you can redistribute it and/or modify it under the
6 terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 2, or (at your option)
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this library; see the file COPYING. If not, write to the Free
17 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 As a special exception, if you link this library with files
20 compiled with a GNU compiler to produce an executable, this does not cause
21 the resulting executable to be covered by the GNU General Public License.
22 This exception does not however invalidate any other reasons why
23 the executable file might be covered by the GNU General Public License. */
26 /* This file provides definitions of _IO_stdin, _IO_stdout, and _IO_stderr
27 for C code. Compare stdstreams.cc.
28 (The difference is that here the vtable field is set to 0,
29 so the objects defined are not valid C++ objects. On the other
30 hand, we don't need a C++ compiler to build this file.) */
35 #define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \
36 static _IO_lock_t _IO_stdfile_##FD##_lock = _IO_lock_init; \
37 struct _IO_FILE_plus NAME \
38 = {FILEBUF_LITERAL(CHAIN, FLAGS, FD), &_IO_file_jumps}
40 #define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \
41 struct _IO_FILE_plus NAME \
42 = {FILEBUF_LITERAL(CHAIN, FLAGS, FD), &_IO_file_jumps}
45 DEF_STDFILE(_IO_stdin_, 0, 0, _IO_NO_WRITES);
46 DEF_STDFILE(_IO_stdout_, 1, &_IO_stdin_.file, _IO_NO_READS);
47 DEF_STDFILE(_IO_stderr_, 2, &_IO_stdout_.file,
48 _IO_NO_READS+_IO_UNBUFFERED);
50 _IO_FILE *_IO_list_all = &_IO_stderr_.file;