74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
/****************************************************************************
|
|
* libs/libc/misc/lib_impure.c
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#if defined(__has_include)
|
|
# if __has_include(<reent.h>)
|
|
|
|
#define const
|
|
#include <reent.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
#ifndef __ATTRIBUTE_IMPURE_PTR__
|
|
# define __ATTRIBUTE_IMPURE_PTR__
|
|
#endif
|
|
|
|
#ifndef __ATTRIBUTE_IMPURE_DATA__
|
|
# define __ATTRIBUTE_IMPURE_DATA__
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
#ifdef __NEWLIB__
|
|
# if (__NEWLIB__ < 4 || __NEWLIB__ == 4 && __NEWLIB_MINOR__ < 2)
|
|
# ifdef _REENT_SMALL
|
|
extern struct __sFILE_fake __sf_fake_stdin _ATTRIBUTE((weak));
|
|
extern struct __sFILE_fake __sf_fake_stdout _ATTRIBUTE((weak));
|
|
extern struct __sFILE_fake __sf_fake_stderr _ATTRIBUTE((weak));
|
|
# endif
|
|
# else
|
|
extern __FILE __sf[3] _ATTRIBUTE((weak));
|
|
# endif
|
|
#endif
|
|
|
|
static struct _reent __ATTRIBUTE_IMPURE_DATA__
|
|
impure_data = _REENT_INIT(impure_data);
|
|
|
|
#ifdef __CYGWIN__
|
|
extern struct _reent reent_data __attribute__((alias("impure_data")));
|
|
#endif
|
|
|
|
struct _reent *__ATTRIBUTE_IMPURE_PTR__
|
|
_impure_ptr = &impure_data;
|
|
|
|
struct _reent *__ATTRIBUTE_IMPURE_PTR__
|
|
_global_impure_ptr = &impure_data;
|
|
|
|
# endif /* __has_include(<reent.h>) */
|
|
#endif /* defined(__has_include) */
|