lib/json
1
0
Fork 0
mirror of https://github.com/nlohmann/json.git synced 2025-07-13 20:21:48 +03:00
Code Activity

🚑 fix to address #389

Browse Source
This commit is contained in:
Niels Lohmann
2016-12-12 23:19:43 +01:00
parent 447e01427d
commit 79fa8b2f41
3 changed files with 49 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/json.hpp
View File

@ -10643,7 +10643,22 @@ basic_json_parser_66:
}
else if (type == value_t::number_integer)
{
result.m_value.number_integer = -static_cast<number_integer_t>(value);
// invariant: if we parsed a '-', the absolute value is between
// 0 (we allow -0) and max == -INT64_MIN
assert(value >= 0);
assert(value <= max);
if (value == max)
{
// we cannot simply negate value (== max == -INT64_MIN),
// see https://github.com/nlohmann/json/issues/389
result.m_value.number_integer = INT64_MIN;
}
else
{
// all other values can be negated safely
result.m_value.number_integer = -static_cast<number_integer_t>(value);
}
}
else
{