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static_assert the requirements of endian_load and endian_store

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This commit is contained in:
Peter Dimov
2019-05-01 00:13:22 +03:00
parent 79af9fba53
commit e68d8f939c
2 changed files with 10 additions and 2 deletions
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6
include/boost/endian/detail/endian_load.hpp
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@ -33,13 +33,17 @@ template<class T, std::size_t N1, BOOST_SCOPED_ENUM(order) O1, std::size_t N2, B
// Requires: // Requires:
// //
// 1 <= N <= sizeof(T) <= 8 // sizeof(T) must be 1, 2, 4, or 8
// 1 <= N <= sizeof(T)
// T is TriviallyCopyable // T is TriviallyCopyable
// if N < sizeof(T), T is integral or enum // if N < sizeof(T), T is integral or enum
template<class T, std::size_t N, BOOST_SCOPED_ENUM(order) Order> template<class T, std::size_t N, BOOST_SCOPED_ENUM(order) Order>
inline T endian_load( unsigned char const * p ) BOOST_NOEXCEPT inline T endian_load( unsigned char const * p ) BOOST_NOEXCEPT
{ {
BOOST_STATIC_ASSERT( sizeof(T) == 1 || sizeof(T) == 2 || sizeof(T) == 4 || sizeof(T) == 8 );
BOOST_STATIC_ASSERT( N >= 1 && N <= sizeof(T) );
return detail::endian_load_impl<T, sizeof(T), order::native, N, Order>()( p ); return detail::endian_load_impl<T, sizeof(T), order::native, N, Order>()( p );
} }

6
include/boost/endian/detail/endian_store.hpp
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@ -32,13 +32,17 @@ template<class T, std::size_t N1, BOOST_SCOPED_ENUM(order) O1, std::size_t N2, B
// Requires: // Requires:
// //
// 1 <= N <= sizeof(T) <= 8 // sizeof(T) must be 1, 2, 4, or 8
// 1 <= N <= sizeof(T)
// T is TriviallyCopyable // T is TriviallyCopyable
// if N < sizeof(T), T is integral or enum // if N < sizeof(T), T is integral or enum
template<class T, std::size_t N, BOOST_SCOPED_ENUM(order) Order> template<class T, std::size_t N, BOOST_SCOPED_ENUM(order) Order>
inline void endian_store( unsigned char * p, T const & v ) BOOST_NOEXCEPT inline void endian_store( unsigned char * p, T const & v ) BOOST_NOEXCEPT
{ {
BOOST_STATIC_ASSERT( sizeof(T) == 1 || sizeof(T) == 2 || sizeof(T) == 4 || sizeof(T) == 8 );
BOOST_STATIC_ASSERT( N >= 1 && N <= sizeof(T) );
return detail::endian_store_impl<T, sizeof(T), order::native, N, Order>()( p, v ); return detail::endian_store_impl<T, sizeof(T), order::native, N, Order>()( p, v );
} }