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1ea89a40 UD |
1 | /* Copyright (C) 1993, 1994, 1996, 1997 Free Software Foundation, Inc. |
2 | This file is part of the GNU IO Library. | |
3 | ||
4 | This library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU General Public License as | |
6 | published by the Free Software Foundation; either version 2, or (at | |
7 | your option) any later version. | |
8 | ||
9 | This library is distributed in the hope that it will be useful, but | |
10 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with this library; see the file COPYING. If not, write to | |
16 | the Free Software Foundation, 59 Temple Place - Suite 330, Boston, | |
17 | MA 02111-1307, USA. | |
18 | ||
19 | As a special exception, if you link this library with files | |
20 | compiled with a GNU compiler to produce an executable, this does | |
21 | not cause the resulting executable to be covered by the GNU General | |
22 | Public License. This exception does not however invalidate any | |
23 | other reasons why the executable file might be covered by the GNU | |
24 | General Public License. */ | |
25 | ||
26 | ||
27 | /* This file provides definitions of _IO_stdin, _IO_stdout, and _IO_stderr | |
28 | for C code. Compare stdstreams.cc. | |
29 | (The difference is that here the vtable field is set to 0, | |
30 | so the objects defined are not valid C++ objects. On the other | |
31 | hand, we don't need a C++ compiler to build this file.) */ | |
32 | ||
33 | #include "libioP.h" | |
34 | ||
35 | #ifdef _IO_MTSAFE_IO | |
36 | #define DEF_STDFILE(INAME, NAME, FD, CHAIN, FLAGS) \ | |
37 | static _IO_lock_t _IO_stdfile_##FD##_lock = _IO_lock_initializer; \ | |
38 | struct _IO_FILE_plus INAME \ | |
39 | = {FILEBUF_LITERAL(CHAIN, FLAGS, FD), &_IO_old_file_jumps}; \ | |
40 | symbol_version (INAME, NAME,) | |
41 | #else | |
42 | #define DEF_STDFILE(INAME, NAME, FD, CHAIN, FLAGS) \ | |
43 | struct _IO_FILE_plus INAME \ | |
44 | = {FILEBUF_LITERAL(CHAIN, FLAGS, FD), &_IO_old_file_jumps}; \ | |
45 | symbol_version (INAME, NAME,) | |
46 | #endif | |
47 | ||
48 | DEF_STDFILE(_IO_old_stdin_, _IO_stdin_, 0, 0, _IO_NO_WRITES); | |
f2ea0f5b | 49 | DEF_STDFILE(_IO_old_stdout_, _IO_stdout_, 1, &_IO_stdin_.plus.file, |
1ea89a40 | 50 | _IO_NO_READS); |
f2ea0f5b | 51 | DEF_STDFILE(_IO_old_stderr_, _IO_stderr_, 2, &_IO_stdout_.plus.file, |
1ea89a40 UD |
52 | _IO_NO_READS+_IO_UNBUFFERED); |
53 | ||
f2ea0f5b UD |
54 | #if 0 |
55 | _IO_FILE *_IO_old_list_all = &_IO_stderr_.plus.file; | |
1ea89a40 | 56 | symbol_version (_IO_old_list_all, _IO_list_all,); |
f2ea0f5b | 57 | #endif |