| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1993-2015 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. |
| 17 | |
| 18 | As a special exception, if you link the code in this file with |
| 19 | files compiled with a GNU compiler to produce an executable, |
| 20 | that does not cause the resulting executable to be covered by |
| 21 | the GNU Lesser General Public License. This exception does not |
| 22 | however invalidate any other reasons why the executable file |
| 23 | might be covered by the GNU Lesser General Public License. |
| 24 | This exception applies to code released by its copyright holders |
| 25 | in files containing the exception. */ |
| 26 | |
| 27 | |
| 28 | /* This file provides definitions of _IO_stdin, _IO_stdout, and _IO_stderr |
| 29 | for C code. Compare stdstreams.cc. |
| 30 | (The difference is that here the vtable field is set to 0, |
| 31 | so the objects defined are not valid C++ objects. On the other |
| 32 | hand, we don't need a C++ compiler to build this file.) */ |
| 33 | |
| 34 | #include "libioP.h" |
| 35 | |
| 36 | #ifdef _IO_MTSAFE_IO |
| 37 | # if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T |
| 38 | # define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \ |
| 39 | static _IO_lock_t _IO_stdfile_##FD##_lock = _IO_lock_initializer; \ |
| 40 | static struct _IO_wide_data _IO_wide_data_##FD \ |
| 41 | = { ._wide_vtable = &_IO_wfile_jumps }; \ |
| 42 | struct _IO_FILE_plus NAME \ |
| 43 | = {FILEBUF_LITERAL(CHAIN, FLAGS, FD, &_IO_wide_data_##FD), \ |
| 44 | &_IO_file_jumps}; |
| 45 | # else |
| 46 | # define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \ |
| 47 | static _IO_lock_t _IO_stdfile_##FD##_lock = _IO_lock_initializer; \ |
| 48 | struct _IO_FILE_plus NAME \ |
| 49 | = {FILEBUF_LITERAL(CHAIN, FLAGS, FD, NULL), \ |
| 50 | &_IO_file_jumps}; |
| 51 | # endif |
| 52 | #else |
| 53 | # if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T |
| 54 | # define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \ |
| 55 | static struct _IO_wide_data _IO_wide_data_##FD \ |
| 56 | = { ._wide_vtable = &_IO_wfile_jumps }; \ |
| 57 | struct _IO_FILE_plus NAME \ |
| 58 | = {FILEBUF_LITERAL(CHAIN, FLAGS, FD, &_IO_wide_data_##FD), \ |
| 59 | &_IO_file_jumps}; |
| 60 | # else |
| 61 | # define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \ |
| 62 | struct _IO_FILE_plus NAME \ |
| 63 | = {FILEBUF_LITERAL(CHAIN, FLAGS, FD, NULL), \ |
| 64 | &_IO_file_jumps}; |
| 65 | # endif |
| 66 | #endif |
| 67 | |
| 68 | DEF_STDFILE(_IO_2_1_stdin_, 0, 0, _IO_NO_WRITES); |
| 69 | DEF_STDFILE(_IO_2_1_stdout_, 1, &_IO_2_1_stdin_, _IO_NO_READS); |
| 70 | DEF_STDFILE(_IO_2_1_stderr_, 2, &_IO_2_1_stdout_, _IO_NO_READS+_IO_UNBUFFERED); |
| 71 | |
| 72 | struct _IO_FILE_plus *_IO_list_all = &_IO_2_1_stderr_; |
| 73 | libc_hidden_data_def (_IO_list_all) |