feedc0de/boost_unordered
1
0
Fork 0
forked from boostorg/unordered
Code Pull Requests Activity

Temporarily suppress warning about memset'ing non-trivial types by using a constructor loop

Browse Source
This commit is contained in:
Christian Mazakas
2023-03-17 14:17:10 -07:00
parent ed076facc4
commit 3df435d4d3
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
include/boost/unordered/detail/foa/core.hpp
View File

@ -910,11 +910,14 @@ struct table_arrays
reinterpret_cast<uintptr_t>(p))%sizeof(group_type);
arrays.groups=reinterpret_cast<group_type*>(p);
for (std::size_t i=0;i<groups_size;++i){
new(arrays.groups+i) group_type();
}
/* memset is faster/not slower than initializing groups individually.
* This assumes all zeros is group_type's default layout.
*/
std::memset(arrays.groups,0,sizeof(group_type)*groups_size);
// std::memset(arrays.groups,0,sizeof(group_type)*groups_size);
arrays.groups[groups_size-1].set_sentinel();
}
return arrays;