id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
5598	boost/property_tree/detail/json_parser_write.hpp:35: warning: comparison is always true due to limited range of data type	benoit@…	Sebastian Redl	"Here is the relevant output:
{{{
cc1plus: warnings being treated as errors
gcc41_64/include/boost/property_tree/detail/json_parser_write.hpp: In function 'std::basic_string<_CharT, std::char_traits<_CharT>, std::allocator<_CharT> > boost::property_tree::json_parser::create_escapes(const std::basic_string<_CharT, std::char_traits<_CharT>, std::allocator<_CharT> >&) [with Ch = char]':
gcc41_64/include/boost/property_tree/detail/json_parser_write.hpp:78:   instantiated from 'void boost::property_tree::json_parser::write_json_helper(std::basic_ostream<typename Ptree::key_type::value_type, std::char_traits<typename Ptree::key_type::value_type> >&, const Ptree&, int, bool) [with Ptree = boost::property_tree::basic_ptree<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::less<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >]'
gcc41_64/include/boost/property_tree/detail/json_parser_write.hpp:162:   instantiated from 'void boost::property_tree::json_parser::write_json_internal(std::basic_ostream<typename Ptree::key_type::value_type, std::char_traits<typename Ptree::key_type::value_type> >&, const Ptree&, const std::string&, bool) [with Ptree = boost::property_tree::basic_ptree<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::less<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >]'
gcc41_64/include/boost/property_tree/json_parser.hpp:98:   instantiated from 'void boost::property_tree::json_parser::write_json(std::basic_ostream<typename Ptree::key_type::value_type, std::char_traits<typename Ptree::key_type::value_type> >&, const Ptree&, bool) [with Ptree = boost::property_tree::basic_ptree<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::less<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >]'
json.cc:36:   instantiated from here
gcc41_64/include/boost/property_tree/detail/json_parser_write.hpp:35: warning: comparison is always true due to limited range of data type
make: *** [json.o] Error 1
}}}

In the big if() statement, *b (of type Ch, which is char) is being compared with 0xFF."	Bugs	new	To Be Determined	property_tree	Boost 1.46.1	Problem			mika.fischer@… mateusz@…