56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
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/**
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* \file common.h
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*
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* \brief Utility macros for internal use in the library
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*/
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/*
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* Copyright (C) 2019, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* 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.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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#ifndef MBEDTLS_LIBRARY_COMMON_H
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#define MBEDTLS_LIBRARY_COMMON_H
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#if defined(MBEDTLS_CONFIG_FILE)
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#include MBEDTLS_CONFIG_FILE
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#else
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#include "mbedtls/config.h"
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#endif
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/** Helper to define a function as static except when building invasive tests.
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*
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* If a function is only used inside its own source file and should be
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* declared `static` to allow the compiler to optimize for code size,
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* but that function has unit tests, define it with
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* ```
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* MBEDTLS_STATIC_TESTABLE int mbedtls_foo(...) { ... }
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* ```
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* and declare it in a header in the `library/` directory with
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* ```
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* #if defined(MBEDTLS_TEST_HOOKS)
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* int mbedtls_foo(...);
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* #endif
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* ```
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*/
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#if defined(MBEDTLS_TEST_HOOKS)
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#define MBEDTLS_STATIC_TESTABLE
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#else
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#define MBEDTLS_STATIC_TESTABLE static
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#endif
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#endif /* MBEDTLS_LIBRARY_COMMON_H */
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