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https://github.com/Mahdi-zarei/nekoray.git
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daa6c93900
* refactor: migrate from protobuf to simple-protobuf * update go.mod * fix server * Update gRPC.cpp * Update gRPC.cpp
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
/***************************************************************************\
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* Name : bitfields *
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* Description : bitfields checks *
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* Author : antonin.kriz@gmail.com *
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* ------------------------------------------------------------------------- *
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* This is free software; you can redistribute it and/or modify it under the *
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* terms of the MIT license. A copy of the license can be found in the file *
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* "LICENSE" at the root of this distribution. *
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\***************************************************************************/
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#pragma once
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#include <cassert>
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#include <climits>
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#include <cstdint>
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#include <stdexcept>
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namespace spb::detail
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{
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template < typename T >
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concept signed_int = std::is_signed_v< T > && std::is_integral_v< T >;
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template < typename T >
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concept unsigned_int = !std::is_signed_v< T > && std::is_integral_v< T >;
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static inline void check_if_value_fit_in_bits( signed_int auto value, uint32_t bits )
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{
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assert( sizeof( value ) * CHAR_BIT >= bits );
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assert( bits > 0 );
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decltype( value ) max = ( 1LL << ( bits - 1 ) ) - 1;
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decltype( value ) min = -( 1LL << ( bits - 1 ) );
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if( ( value < min ) | ( value > max ) ) [[unlikely]]
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{
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throw std::runtime_error( "bitfield overflow" );
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}
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}
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static inline void check_if_value_fit_in_bits( unsigned_int auto value, uint32_t bits )
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{
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assert( sizeof( value ) * CHAR_BIT >= bits );
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decltype( value ) max = ( 1LL << bits ) - 1;
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if( value > max ) [[unlikely]]
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{
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throw std::runtime_error( "bitfield overflow" );
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}
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}
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}// namespace spb::detail
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