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Diffstat (limited to 'libio/oldstdfiles.c')
-rw-r--r-- | libio/oldstdfiles.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/libio/oldstdfiles.c b/libio/oldstdfiles.c deleted file mode 100644 index bed7bceca2..0000000000 --- a/libio/oldstdfiles.c +++ /dev/null @@ -1,95 +0,0 @@ -/* Copyright (C) 1993-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. - - As a special exception, if you link the code in this file with - files compiled with a GNU compiler to produce an executable, - that does not cause the resulting executable to be covered by - the GNU Lesser General Public License. This exception does not - however invalidate any other reasons why the executable file - might be covered by the GNU Lesser General Public License. - This exception applies to code released by its copyright holders - in files containing the exception. */ - -#include <shlib-compat.h> -#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) - -/* 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.) */ - -#define _IO_USE_OLD_IO_FILE -#include "libioP.h" - -#ifdef _IO_MTSAFE_IO -#define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \ - static _IO_lock_t _IO_stdfile_##FD##_lock = _IO_lock_initializer; \ - struct _IO_FILE_plus NAME \ - = {FILEBUF_LITERAL(CHAIN, FLAGS, FD, NULL), &_IO_old_file_jumps}; -#else -#define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \ - struct _IO_FILE_plus NAME \ - = {FILEBUF_LITERAL(CHAIN, FLAGS, FD, NULL), &_IO_old_file_jumps}; -#endif - -DEF_STDFILE(_IO_stdin_, 0, 0, _IO_NO_WRITES); -DEF_STDFILE(_IO_stdout_, 1, &_IO_stdin_, _IO_NO_READS); -DEF_STDFILE(_IO_stderr_, 2, &_IO_stdout_, _IO_NO_READS+_IO_UNBUFFERED); - -#if defined __GNUC__ && __GNUC__ >= 2 - -#include <stdio.h> - -extern const int _IO_stdin_used; -weak_extern (_IO_stdin_used); - -#undef stdin -#undef stdout -#undef stderr - -extern FILE *stdin; -extern FILE *stdout; -extern FILE *stderr; - -static void _IO_check_libio (void) __THROW __attribute__ ((constructor)); - -/* This function determines which shared C library the application - was linked against. We then set up the stdin/stdout/stderr and - _IO_list_all accordingly. */ - -static void -_IO_check_libio (void) -{ - if (&_IO_stdin_used == NULL) - { - /* We are using the old one. */ - _IO_stdin = stdin = (_IO_FILE *) &_IO_stdin_; - _IO_stdout = stdout = (_IO_FILE *) &_IO_stdout_; - _IO_stderr = stderr = (_IO_FILE *) &_IO_stderr_; - _IO_list_all = &_IO_stderr_; - _IO_stdin->_vtable_offset = _IO_stdout->_vtable_offset = - _IO_stderr->_vtable_offset = stdin->_vtable_offset = - stdout->_vtable_offset = stderr->_vtable_offset = - ((int) sizeof (struct _IO_FILE) - - (int) sizeof (struct _IO_FILE_complete)); - } -} - -#endif - -#endif |