4e92e32d7b
some toolchain provider remove const qualifier from global_impure_ptr (e.g. Espressif) but other provider keep it(e.g. ARM or Cadence), so let's define const to empty macro to pass the compile and more safety. Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/****************************************************************************
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* libs/libc/misc/lib_impure.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#if defined(__has_include)
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# if __has_include(<reent.h>)
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#define const
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#include <reent.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifndef __ATTRIBUTE_IMPURE_PTR__
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# define __ATTRIBUTE_IMPURE_PTR__
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#endif
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#ifndef __ATTRIBUTE_IMPURE_DATA__
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# define __ATTRIBUTE_IMPURE_DATA__
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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#ifdef _REENT_SMALL
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extern struct __sFILE_fake __sf_fake_stdin _ATTRIBUTE((weak));
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extern struct __sFILE_fake __sf_fake_stdout _ATTRIBUTE((weak));
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extern struct __sFILE_fake __sf_fake_stderr _ATTRIBUTE((weak));
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#endif
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static struct _reent __ATTRIBUTE_IMPURE_DATA__
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impure_data = _REENT_INIT(impure_data);
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#ifdef __CYGWIN__
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extern struct _reent reent_data __attribute__((alias("impure_data")));
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#endif
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struct _reent *__ATTRIBUTE_IMPURE_PTR__
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_impure_ptr = &impure_data;
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struct _reent *__ATTRIBUTE_IMPURE_PTR__
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_global_impure_ptr = &impure_data;
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# endif /* __has_include(<reent.h>) */
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#endif /* defined(__has_include) */
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