keep getting this warning. I have been using csv.h for years and always get this warning. How can I fix it?

[jerome2024]

In file included from /usr/include/c++/13/string:51, from /usr/include/c++/13/bits/locale_classes.h:40, from /usr/include/c++/13/bits/ios_base.h:41, from /usr/include/c++/13/ios:44, from /usr/include/c++/13/ostream:40, from /usr/include/c++/13/iostream:41, from /home/jerome/Documents/C++/unger/pch.h:20, from /home/jerome/Documents/C++/unger/R/CMakeFiles/unger.dir/cmake_pch.hxx:5, from <command-line>: In static member function ‘static constexpr _Up* std::__copy_move<_IsMove, true, std::random_access_iterator_tag>::__copy_m(_Tp*, _Tp*, _Up*) [with _Tp = const char; _Up = char; bool _IsMove = false]’, inlined from ‘constexpr _OI std::__copy_move_a2(_II, _II, _OI) [with bool _IsMove = false; _II = const char*; _OI = char*]’ at /usr/include/c++/13/bits/stl_algobase.h:506:30, inlined from ‘constexpr _OI std::__copy_move_a1(_II, _II, _OI) [with bool _IsMove = false; _II = const char*; _OI = char*]’ at /usr/include/c++/13/bits/stl_algobase.h:533:42, inlined from ‘constexpr _OI std::__copy_move_a(_II, _II, _OI) [with bool _IsMove = false; _II = __gnu_cxx::__normal_iterator<const char*, vector<char> >; _OI = char*]’ at /usr/include/c++/13/bits/stl_algobase.h:540:31, inlined from ‘constexpr _OI std::copy(_II, _II, _OI) [with _II = __gnu_cxx::__normal_iterator<const char*, vector<char> >; _OI = char*]’ at /usr/include/c++/13/bits/stl_algobase.h:633:7, inlined from ‘static _ForwardIterator std::__uninitialized_copy<true>::__uninit_copy(_InputIterator, _InputIterator, _ForwardIterator) [with _InputIterator = __gnu_cxx::__normal_iterator<const char*, std::vector<char> >; _ForwardIterator = char*]’ at /usr/include/c++/13/bits/stl_uninitialized .h:147:27, inlined from ‘_ForwardIterator std::uninitialized_copy(_InputIterator, _InputIterator, _ForwardIterator) [with _InputIterator = __gnu_cxx::__normal_iterator<const char*, vector<char> >; _ForwardIterator = char*]’ at /usr/include/c++/13/bits/stl_uninitialized.h:185:15, inlined from ‘constexpr _ForwardIterator std::__uninitialized_copy_a(_InputIterator, _InputIterator, _ForwardIterator, allocator<_Tp>&) [with _InputIterator = __gnu_cxx::__normal_iterator<const char*, vector<char> >; _ForwardIterator = char*; _Tp = char]’ at /usr/include/c++/13/bits/stl_unini tialized.h:373:37, inlined from ‘constexpr std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = char; _Alloc = std::allocator<char>]’ at /usr/include/c++/13/bits/stl_vector.h:603:31, inlined from ‘constexpr csv::CSVFormat::CSVFormat(const csv::CSVFormat&)’ at /home/jerome/Documents/C++/Include/utils/csv.h:4917:11, inlined from ‘csv::CSVGuessResult csv::internals::_guess_format(csv::string_view, const std::vector<char>&)’ at /home/jerome/Documents/C++/Include/utils/csv.h:7417:46, inlined from ‘csv::CSVReader::CSVReader(csv::string_view, csv::CSVFormat)’ at /home/jerome/Documents/C++/Include/utils/csv.h:7471:57: /usr/include/c++/13/bits/stl_algobase.h:437:30: warning: ‘void* __builtin_memcpy(void*, const void*, long unsigned int)’ reading between 2 and 9223372036854775807 bytes from a region of size 1 [-Wstringop-overread] 437 | __builtin_memmove(__result, __first, sizeof(_Tp) * _Num); | ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/c++allocator.h:33, from /usr/include/c++/13/bits/allocator.h:46, from /usr/include/c++/13/string:43: In member function ‘_Tp* std::__new_allocator<_Tp>::allocate(size_type, const void*) [with _Tp = char]’, inlined from ‘constexpr _Tp* std::allocator< <template-parameter-1-1> >::allocate(std::size_t) [with _Tp = char]’ at /usr/include/c++/13/bits/allocator.h:198:40, inlined from ‘static constexpr _Tp* std::allocator_traits<std::allocator<_CharT> >::allocate(allocator_type&, size_type) [with _Tp = char]’ at /usr/include/c++/13/bits/alloc_traits.h:482:28, inlined from ‘constexpr std::_Vector_base<_Tp, _Alloc>::pointer std::_Vector_base<_Tp, _Alloc>::_M_allocate(std::size_t) [with _Tp = char; _Alloc = std::allocator<char>]’ at /usr/include/c++/13/bits/stl_vector.h:378:33, inlined from ‘constexpr void std::vector<_Tp, _Alloc>::_M_range_initialize(_ForwardIterator, _ForwardIterator, std::forward_iterator_tag) [with _ForwardIterator = const char*; _Tp = char; _Alloc = std::allocator<char>]’ at /usr/include/c++/13/bits/stl_vector.h:1689:25, inlined from ‘constexpr std::vector<_Tp, _Alloc>::vector(std::initializer_list<_Tp>, const allocator_type&) [with _Tp = char; _Alloc = std::allocator<char>]’ at /usr/include/c++/13/bits/stl_vector.h:679:21, inlined from ‘constexpr csv::CSVFormat::CSVFormat()’ at /home/jerome/Documents/C++/Include/utils/csv.h:4920:9, inlined from ‘csv::CSVGuessResult csv::internals::_guess_format(csv::string_view, const std::vector<char>&)’ at /home/jerome/Documents/C++/Include/utils/csv.h:7411:23, inlined from ‘csv::CSVReader::CSVReader(csv::string_view, csv::CSVFormat)’ at /home/jerome/Documents/C++/Include/utils/csv.h:7471:57: /usr/include/c++/13/bits/new_allocator.h:147:55: note: source object of size 1 allocated by ‘operator new’ 147 | return static_cast<_Tp*>(_GLIBCXX_OPERATOR_NEW(__n * sizeof(_Tp))); |

[jerome2024]

apologies for the crappy format I sent it in