Various build warnings

[seahawk1986]

Hi,
with the commit fb52ff9 I get those build warnings - are the first two intentional?

g++ -g -O3 -Wall -Werror=overloaded-virtual -Wno-parentheses -fPIC -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -c -DPLUGIN_NAME_I18N='"iptv"' -DTS_ONLY_FULL_PACKETS=0  -o iptv.o iptv.cpp
In file included from protocolm3u.h:9,
                 from device.h:18,
                 from iptv.h:13,
                 from iptv.cpp:8:
source.h: In member function 'virtual cString cPluginIptv::SVDRPCommand(const char*, const char*, int&)':
source.h:54:52: warning: 'char* __builtin_strncpy(char*, const char*, long unsigned int)' specified bound 256 equals destination size [-Wstringop-truncation]
   54 |     void SetAddress(const char *addressP) { strncpy(addressM, addressP, sizeof(addressM)); };
      |                                                    ^

g++ -g -O3 -Wall -Werror=overloaded-virtual -Wno-parentheses -fPIC -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -c -DPLUGIN_NAME_I18N='"iptv"' -DTS_ONLY_FULL_PACKETS=0  -o setup.o setup.cpp
setup.cpp: In member function 'void cIptvPluginSetup::StoreFilters(const char*, int*)':
setup.cpp:239:16: warning: 'char* __builtin___strncpy_chk(char*, const char*, long unsigned int, long unsigned int)' output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation]
  239 |         strncpy(q, s, strlen(s));
      |                ^
setup.cpp:239:16: note: length computed here
  239 |         strncpy(q, s, strlen(s));
      |         ~~~~~~~^~~~~~~~~~~~~~~~~

g++ -g -O3 -Wall -Werror=overloaded-virtual -Wno-parentheses -fPIC -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -c -DPLUGIN_NAME_I18N='"iptv"' -DTS_ONLY_FULL_PACKETS=0  -o m3u8handler.o m3u8handler.cpp
In file included from /usr/include/c++/13/regex:68,
                 from httplib.h:220,
                 from m3u8handler.h:11,
                 from m3u8handler.cpp:1:
In member function 'std::__cxx11::sub_match<_BiIter>::difference_type std::__cxx11::sub_match<_BiIter>::length() const [with _BiIter = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >]',
    inlined from 'std::__cxx11::match_results<_Bi_iter, _Alloc>::difference_type std::__cxx11::match_results<_Bi_iter, _Alloc>::length(size_type) const [with _Bi_iter = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]' at /usr/include/c++/13/bits/regex.h:1907:37,
    inlined from 'bool httplib::detail::parse_www_authenticate(const httplib::Response&, std::map<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> >&, bool)' at httplib.h:4713:30:
/usr/include/c++/13/bits/regex.h:942:22: warning: array subscript -3 is outside array bounds of 'std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > [384307168202282325]' [-Warray-bounds=]
  942 |       { return this->matched ? std::distance(this->first, this->second) : 0; }
      |                ~~~~~~^~~~~~~
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,
                 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 m3u8handler.h:3:
In member function '_Tp* std::__new_allocator<_Tp>::allocate(size_type, const void*) [with _Tp = std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]',
    inlined from 'static _Tp* std::allocator_traits<std::allocator<_CharT> >::allocate(allocator_type&, size_type) [with _Tp = std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >]' at /usr/include/c++/13/bits/alloc_traits.h:482:28,
    inlined from 'std::_Vector_base<_Tp, _Alloc>::pointer std::_Vector_base<_Tp, _Alloc>::_M_allocate(std::size_t) [with _Tp = std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; _Alloc = std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]' at /usr/include/c++/13/bits/stl_vector.h:381:33,
    inlined from 'void std::_Vector_base<_Tp, _Alloc>::_M_create_storage(std::size_t) [with _Tp = std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; _Alloc = std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]' at /usr/include/c++/13/bits/stl_vector.h:398:44,
    inlined from 'std::_Vector_base<_Tp, _Alloc>::_Vector_base(std::size_t, const allocator_type&) [with _Tp = std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; _Alloc = std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]' at /usr/include/c++/13/bits/stl_vector.h:335:26,
    inlined from 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > >; _Alloc = std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]' at /usr/include/c++/13/bits/stl_vector.h:603:61,
    inlined from 'std::__cxx11::match_results<_Bi_iter, _Alloc>::match_results(const std::__cxx11::match_results<_Bi_iter, _Alloc>&) [with _Bi_iter = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> > > >]' at /usr/include/c++/13/bits/regex.h:1815:7,
    inlined from 'bool httplib::detail::parse_www_authenticate(const httplib::Response&, std::map<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> >&, bool)' at httplib.h:4710:21:
/usr/include/c++/13/bits/new_allocator.h:151:55: note: at offset -72 into object of size [1, 9223372036854775800] allocated by 'operator new'
  151 |         return static_cast<_Tp*>(_GLIBCXX_OPERATOR_NEW(__n * sizeof(_Tp)));
      |                                                       ^