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🐛 fixed a bug parsing BSON strings #1320

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Niels Lohmann 2018-10-28 09:16:40 +01:00
parent 24946f67f1
commit f0c1459554
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3 changed files with 27 additions and 1 deletions
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8
include/nlohmann/detail/input/binary_reader.hpp
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@ -186,12 +186,18 @@ class binary_reader
@param[in, out] result A reference to the string variable where the read
string is to be stored.
@tparam NumberType The type of the length @a len
@pre len > 0
@pre len >= 1
@return `true` if the string was successfully parsed
*/
template<typename NumberType>
bool get_bson_string(const NumberType len, string_t& result)
{
if (JSON_UNLIKELY(len < 1))
{
auto last_token = get_token_string();
return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "string length must be at least 1, is " + std::to_string(len), "string")));
}
return get_string(input_format_t::bson, len - static_cast<NumberType>(1), result) and get() != std::char_traits<char>::eof();
}