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Update hash_value for pointers to handle the case when uintptr_t is larger than size_t

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This commit is contained in:
Peter Dimov
2022-07-03 23:35:46 +03:00
parent c14d3a1e2b
commit 5ba74cd3a9
1 changed files with 3 additions and 4 deletions
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7
include/boost/container_hash/hash.hpp
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@ -344,12 +344,11 @@ namespace boost
// pointer types
// Implementation by Alberto Barbati and Dave Harris.
// `x + (x >> 3)` adjustment by Alberto Barbati and Dave Harris.
template <class T> std::size_t hash_value( T* const& v )
{
std::size_t x = static_cast<std::size_t>(
reinterpret_cast<boost::uintptr_t>(v));
return x + (x >> 3);
boost::uintptr_t x = reinterpret_cast<boost::uintptr_t>( v );
return boost::hash_value( x + (x >> 3) );
}
// array types