53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/*
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* Copyright (c) 2019 BayLibre SAS
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_TOOLCHAIN_STDINT_H_
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#define ZEPHYR_INCLUDE_TOOLCHAIN_STDINT_H_
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/*
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* Some gcc versions and/or configurations as found in the Zephyr SDK
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* (questionably) define __INT32_TYPE__ and derrivatives as a long int
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* which makes the printf format checker to complain about long vs int
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* mismatch when %u is given a uint32_t argument, and uint32_t pointers not
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* being compatible with int pointers. Let's redefine them to follow
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* common expectations and usage.
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*/
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#if __SIZEOF_INT__ != 4
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#error "unexpected int width"
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#endif
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#undef __INT32_TYPE__
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#undef __UINT32_TYPE__
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#undef __INT_LEAST32_TYPE__
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#undef __UINT_LEAST32_TYPE__
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#undef __INT64_TYPE__
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#undef __UINT64_TYPE__
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#define __INT32_TYPE__ int
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#define __UINT32_TYPE__ unsigned int
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#define __INT_LEAST32_TYPE__ __INT32_TYPE__
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#define __UINT_LEAST32_TYPE__ __UINT32_TYPE__
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#define __INT64_TYPE__ long long int
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#define __UINT64_TYPE__ unsigned long long int
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/*
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* The confusion also exists with __INTPTR_TYPE__ which is either an int
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* (even when __INT32_TYPE__ is a long int) or a long int. Let's redefine
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* it to a long int to get some uniformity. Doing so also makes it compatible
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* with LP64 (64-bit) targets where a long is always 64-bit wide.
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*/
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#if __SIZEOF_POINTER__ != __SIZEOF_LONG__
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#error "unexpected size difference between pointers and long ints"
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#endif
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#undef __INTPTR_TYPE__
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#undef __UINTPTR_TYPE__
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#define __INTPTR_TYPE__ long int
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#define __UINTPTR_TYPE__ long unsigned int
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#endif /* ZEPHYR_INCLUDE_TOOLCHAIN_STDINT_H_ */
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