feedc0de/boost_container_hash
1
0
Fork 0
forked from boostorg/container_hash
Code Pull Requests Activity

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

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

7
include/boost/container_hash/hash.hpp
View File

@@ -344,12 +344,11 @@ namespace boost
// pointer types // 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 ) template <class T> std::size_t hash_value( T* const& v )
{ {
std::size_t x = static_cast<std::size_t>( boost::uintptr_t x = reinterpret_cast<boost::uintptr_t>( v );
reinterpret_cast<boost::uintptr_t>(v)); return boost::hash_value( x + (x >> 3) );
return x + (x >> 3);
} }
// array types // array types