mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-11-24 01:55:45 +01:00
137 lines
4.8 KiB
C
137 lines
4.8 KiB
C
/**
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* \file macros.h
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*
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* \brief This file contains generic macros for the purpose of testing.
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*/
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/*
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* Copyright The Mbed TLS Contributors
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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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#ifndef TEST_MACROS_H
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#define TEST_MACROS_H
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "mbedtls/config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#include <stdlib.h>
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#if defined(MBEDTLS_PLATFORM_C)
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#include "mbedtls/platform.h"
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#else
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#include <stdio.h>
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#define mbedtls_fprintf fprintf
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#define mbedtls_snprintf snprintf
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#define mbedtls_calloc calloc
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#define mbedtls_free free
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#define mbedtls_exit exit
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#define mbedtls_time time
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#define mbedtls_time_t time_t
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#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
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#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
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#endif
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#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
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#include "mbedtls/memory_buffer_alloc.h"
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#endif
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#define TEST_HELPER_ASSERT(a) if( !( a ) ) \
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{ \
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mbedtls_fprintf( stderr, "Assertion Failed at %s:%d - %s\n", \
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__FILE__, __LINE__, #a ); \
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mbedtls_exit( 1 ); \
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}
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#if defined(__GNUC__)
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/* Test if arg and &(arg)[0] have the same type. This is true if arg is
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* an array but not if it's a pointer. */
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#define IS_ARRAY_NOT_POINTER( arg ) \
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( ! __builtin_types_compatible_p( __typeof__( arg ), \
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__typeof__( &( arg )[0] ) ) )
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#else
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/* On platforms where we don't know how to implement this check,
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* omit it. Oh well, a non-portable check is better than nothing. */
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#define IS_ARRAY_NOT_POINTER( arg ) 1
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#endif
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/* A compile-time constant with the value 0. If `const_expr` is not a
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* compile-time constant with a nonzero value, cause a compile-time error. */
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#define STATIC_ASSERT_EXPR( const_expr ) \
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( 0 && sizeof( struct { unsigned int STATIC_ASSERT : 1 - 2 * ! ( const_expr ); } ) )
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/* Return the scalar value `value` (possibly promoted). This is a compile-time
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* constant if `value` is. `condition` must be a compile-time constant.
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* If `condition` is false, arrange to cause a compile-time error. */
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#define STATIC_ASSERT_THEN_RETURN( condition, value ) \
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( STATIC_ASSERT_EXPR( condition ) ? 0 : ( value ) )
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#define ARRAY_LENGTH_UNSAFE( array ) \
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( sizeof( array ) / sizeof( *( array ) ) )
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/** Return the number of elements of a static or stack array.
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*
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* \param array A value of array (not pointer) type.
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*
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* \return The number of elements of the array.
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*/
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#define ARRAY_LENGTH( array ) \
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( STATIC_ASSERT_THEN_RETURN( IS_ARRAY_NOT_POINTER( array ), \
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ARRAY_LENGTH_UNSAFE( array ) ) )
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/** Return the smaller of two values.
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*
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* \param x An integer-valued expression without side effects.
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* \param y An integer-valued expression without side effects.
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*
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* \return The smaller of \p x and \p y.
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*/
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#define MIN( x, y ) ( ( x ) < ( y ) ? ( x ) : ( y ) )
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/** Return the larger of two values.
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*
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* \param x An integer-valued expression without side effects.
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* \param y An integer-valued expression without side effects.
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*
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* \return The larger of \p x and \p y.
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*/
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#define MAX( x, y ) ( ( x ) > ( y ) ? ( x ) : ( y ) )
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/*
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* 32-bit integer manipulation macros (big endian)
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*/
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#ifndef GET_UINT32_BE
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#define GET_UINT32_BE(n,b,i) \
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{ \
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(n) = ( (uint32_t) (b)[(i) ] << 24 ) \
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| ( (uint32_t) (b)[(i) + 1] << 16 ) \
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| ( (uint32_t) (b)[(i) + 2] << 8 ) \
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| ( (uint32_t) (b)[(i) + 3] ); \
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}
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#endif
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#ifndef PUT_UINT32_BE
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#define PUT_UINT32_BE(n,b,i) \
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{ \
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(b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
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(b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
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(b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
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(b)[(i) + 3] = (unsigned char) ( (n) ); \
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}
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#endif
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#endif /* TEST_MACROS_H */
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