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Diffstat (limited to 'libio/oldstdfiles.c')
-rw-r--r-- | libio/oldstdfiles.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libio/oldstdfiles.c b/libio/oldstdfiles.c new file mode 100644 index 0000000000..d34a8680c3 --- /dev/null +++ b/libio/oldstdfiles.c @@ -0,0 +1,55 @@ +/* Copyright (C) 1993, 1994, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + + +/* This file provides definitions of _IO_stdin, _IO_stdout, and _IO_stderr + for C code. Compare stdstreams.cc. + (The difference is that here the vtable field is set to 0, + so the objects defined are not valid C++ objects. On the other + hand, we don't need a C++ compiler to build this file.) */ + +#include "libioP.h" + +#ifdef _IO_MTSAFE_IO +#define DEF_STDFILE(INAME, NAME, FD, CHAIN, FLAGS) \ + static _IO_lock_t _IO_stdfile_##FD##_lock = _IO_lock_initializer; \ + struct _IO_FILE_plus INAME \ + = {FILEBUF_LITERAL(CHAIN, FLAGS, FD), &_IO_old_file_jumps}; \ + symbol_version (INAME, NAME,) +#else +#define DEF_STDFILE(INAME, NAME, FD, CHAIN, FLAGS) \ + struct _IO_FILE_plus INAME \ + = {FILEBUF_LITERAL(CHAIN, FLAGS, FD), &_IO_old_file_jumps}; \ + symbol_version (INAME, NAME,) +#endif + +DEF_STDFILE(_IO_old_stdin_, _IO_stdin_, 0, 0, _IO_NO_WRITES); +DEF_STDFILE(_IO_old_stdout_, _IO_stdout_, 1, &_IO_old_stdin_.file, + _IO_NO_READS); +DEF_STDFILE(_IO_old_stderr_, _IO_stderr_, 2, &_IO_old_stdout_.file, + _IO_NO_READS+_IO_UNBUFFERED); + +_IO_FILE *_IO_old_list_all = &_IO_old_stderr_.file; +symbol_version (_IO_old_list_all, _IO_list_all,); |