| 1 | /* Copyright (C) 1993, 1994, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
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| 2 | This file is part of the GNU IO Library.
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| 3 |
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| 4 | This library is free software; you can redistribute it and/or
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| 5 | modify it under the terms of the GNU General Public License as
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| 6 | published by the Free Software Foundation; either version 2, or (at
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| 7 | your option) any later version.
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| 8 |
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| 9 | This library is distributed in the hope that it will be useful, but
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| 10 | WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 12 | General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this library; see the file COPYING. If not, write to
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| 16 | the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
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| 17 | MA 02111-1307, USA.
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| 18 |
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| 19 | As a special exception, if you link this library with files
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| 20 | compiled with a GNU compiler to produce an executable, this does
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| 21 | not cause the resulting executable to be covered by the GNU General
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| 22 | Public License. This exception does not however invalidate any
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| 23 | other reasons why the executable file might be covered by the GNU
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| 24 | General Public License. */
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| 25 |
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| 26 |
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| 27 | /* This file provides definitions of _IO_stdin, _IO_stdout, and _IO_stderr
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| 28 | for C code. Compare stdstreams.cc.
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| 29 | (The difference is that here the vtable field is set to 0,
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| 30 | so the objects defined are not valid C++ objects. On the other
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| 31 | hand, we don't need a C++ compiler to build this file.) */
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| 32 |
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| 33 | #include "libioP.h"
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| 34 |
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| 35 | #ifdef _IO_MTSAFE_IO
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| 36 | # if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
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| 37 | # define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \
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| 38 | static _IO_lock_t _IO_stdfile_##FD##_lock = _IO_lock_initializer; \
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| 39 | static struct _IO_wide_data _IO_wide_data_##FD \
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| 40 | = { ._wide_vtable = &_IO_wfile_jumps }; \
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| 41 | struct _IO_FILE_plus NAME \
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| 42 | = {FILEBUF_LITERAL(CHAIN, FLAGS, FD, &_IO_wide_data_##FD), \
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| 43 | &_IO_file_jumps};
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| 44 | # else
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| 45 | # define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \
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| 46 | static _IO_lock_t _IO_stdfile_##FD##_lock = _IO_lock_initializer; \
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| 47 | struct _IO_FILE_plus NAME \
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| 48 | = {FILEBUF_LITERAL(CHAIN, FLAGS, FD, NULL), \
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| 49 | &_IO_file_jumps};
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| 50 | # endif
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| 51 | #else
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| 52 | # if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
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| 53 | # define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \
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| 54 | static struct _IO_wide_data _IO_wide_data_##FD \
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| 55 | = { ._wide_vtable = &_IO_wfile_jumps }; \
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| 56 | struct _IO_FILE_plus NAME \
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| 57 | = {FILEBUF_LITERAL(CHAIN, FLAGS, FD, &_IO_wide_data_##FD), \
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| 58 | &_IO_file_jumps};
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| 59 | # else
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| 60 | # define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \
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| 61 | struct _IO_FILE_plus NAME \
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| 62 | = {FILEBUF_LITERAL(CHAIN, FLAGS, FD, NULL), \
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| 63 | &_IO_file_jumps};
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| 64 | # endif
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| 65 | #endif
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| 66 |
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| 67 | DEF_STDFILE(_IO_2_1_stdin_, 0, 0, _IO_NO_WRITES);
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| 68 | DEF_STDFILE(_IO_2_1_stdout_, 1, &_IO_2_1_stdin_, _IO_NO_READS);
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| 69 | DEF_STDFILE(_IO_2_1_stderr_, 2, &_IO_2_1_stdout_, _IO_NO_READS+_IO_UNBUFFERED);
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| 70 |
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| 71 | struct _IO_FILE_plus *_IO_list_all = &_IO_2_1_stderr_;
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