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56 lines
2.3 KiB
C
56 lines
2.3 KiB
C
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/* Copyright (C) 1993, 1994, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU IO Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2, or (at
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your option) any later version.
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This library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this library; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA.
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As a special exception, if you link this library with files
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compiled with a GNU compiler to produce an executable, this does
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not cause the resulting executable to be covered by the GNU General
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Public License. This exception does not however invalidate any
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other reasons why the executable file might be covered by the GNU
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General Public License. */
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/* This file provides definitions of _IO_stdin, _IO_stdout, and _IO_stderr
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for C code. Compare stdstreams.cc.
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(The difference is that here the vtable field is set to 0,
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so the objects defined are not valid C++ objects. On the other
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hand, we don't need a C++ compiler to build this file.) */
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#include "libioP.h"
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#ifdef _IO_MTSAFE_IO
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#define DEF_STDFILE(INAME, NAME, FD, CHAIN, FLAGS) \
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static _IO_lock_t _IO_stdfile_##FD##_lock = _IO_lock_initializer; \
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struct _IO_FILE_plus INAME \
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= {FILEBUF_LITERAL(CHAIN, FLAGS, FD), &_IO_old_file_jumps}; \
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symbol_version (INAME, NAME,)
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#else
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#define DEF_STDFILE(INAME, NAME, FD, CHAIN, FLAGS) \
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struct _IO_FILE_plus INAME \
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= {FILEBUF_LITERAL(CHAIN, FLAGS, FD), &_IO_old_file_jumps}; \
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symbol_version (INAME, NAME,)
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#endif
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DEF_STDFILE(_IO_old_stdin_, _IO_stdin_, 0, 0, _IO_NO_WRITES);
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DEF_STDFILE(_IO_old_stdout_, _IO_stdout_, 1, &_IO_old_stdin_.file,
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_IO_NO_READS);
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DEF_STDFILE(_IO_old_stderr_, _IO_stderr_, 2, &_IO_old_stdout_.file,
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_IO_NO_READS+_IO_UNBUFFERED);
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_IO_FILE *_IO_old_list_all = &_IO_old_stderr_.file;
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symbol_version (_IO_old_list_all, _IO_list_all,);
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