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🐛 fixed integer overflow in dump function #1447

Closes #1447.
This commit is contained in:
Niels Lohmann
2019-01-20 12:26:01 +01:00
parent e17e0d031f
commit 6de4df23e4
3 changed files with 11 additions and 4 deletions

View File

@ -11510,7 +11510,7 @@ class serializer
if (is_negative)
{
*buffer_ptr = '-';
abs_value = static_cast<number_unsigned_t>(0 - x);
abs_value = static_cast<number_unsigned_t>(-1 - x) + 1;
// account one more byte for the minus sign
n_chars = 1 + count_digits(abs_value);