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Fixed undefined behavior in JSON serializer

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This commit is contained in:
Benoit Blanchon
2021-04-15 11:21:34 +02:00
parent 4ddc674846
commit 88fbe3ac34
1 changed files with 2 additions and 2 deletions
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4
src/ArduinoJson/Json/TextFormatter.hpp
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@@ -92,9 +92,9 @@ class TextFormatter {
unsigned_type unsigned_value;
if (value < 0) {
writeRaw('-');
unsigned_value = static_cast<unsigned_type>(-value);
unsigned_value = unsigned_type(unsigned_type(~value) + 1);
} else {
unsigned_value = static_cast<unsigned_type>(value);
unsigned_value = unsigned_type(value);
}
writeInteger(unsigned_value);
}