mirror of git://sourceware.org/git/glibc.git
74 lines
3.0 KiB
C
74 lines
3.0 KiB
C
/* Copyright (C) 1993-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>.
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As a special exception, if you link the code in this file with
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files compiled with a GNU compiler to produce an executable,
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that does not cause the resulting executable to be covered by
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the GNU Lesser General Public License. This exception does not
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however invalidate any other reasons why the executable file
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might be covered by the GNU Lesser General Public License.
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This exception applies to code released by its copyright holders
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in files containing the exception. */
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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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# if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
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# define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \
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static _IO_lock_t _IO_stdfile_##FD##_lock = _IO_lock_initializer; \
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static struct _IO_wide_data _IO_wide_data_##FD \
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= { ._wide_vtable = &_IO_wfile_jumps }; \
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struct _IO_FILE_plus NAME \
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= {FILEBUF_LITERAL(CHAIN, FLAGS, FD, &_IO_wide_data_##FD), \
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&_IO_file_jumps};
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# else
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# define DEF_STDFILE(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 NAME \
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= {FILEBUF_LITERAL(CHAIN, FLAGS, FD, NULL), \
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&_IO_file_jumps};
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# endif
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#else
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# if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
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# define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \
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static struct _IO_wide_data _IO_wide_data_##FD \
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= { ._wide_vtable = &_IO_wfile_jumps }; \
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struct _IO_FILE_plus NAME \
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= {FILEBUF_LITERAL(CHAIN, FLAGS, FD, &_IO_wide_data_##FD), \
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&_IO_file_jumps};
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# else
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# define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \
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struct _IO_FILE_plus NAME \
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= {FILEBUF_LITERAL(CHAIN, FLAGS, FD, NULL), \
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&_IO_file_jumps};
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# endif
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#endif
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DEF_STDFILE(_IO_2_1_stdin_, 0, 0, _IO_NO_WRITES);
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DEF_STDFILE(_IO_2_1_stdout_, 1, &_IO_2_1_stdin_, _IO_NO_READS);
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DEF_STDFILE(_IO_2_1_stderr_, 2, &_IO_2_1_stdout_, _IO_NO_READS+_IO_UNBUFFERED);
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struct _IO_FILE_plus *_IO_list_all = &_IO_2_1_stderr_;
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libc_hidden_data_def (_IO_list_all)
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