Fix integer overflow

devatrun · devatrun · commit 5eea0571d16b · 2021-09-14T22:44:42.000+03:00
diff --git a/include/slimcpplib/long_uint.h b/include/slimcpplib/long_uint.h
@@ -180,7 +180,7 @@ constexpr long_uint_t<native_t, size>::long_uint_t(type_t value) noexcept
 
     for (uint_t n = 0; n < value_size; ++n) {
 
-        digits[n] = value & native_t(~0);
+        digits[n] = value & ~native_t(0);
         value >>= std::min(bit_count_v<type_t> - 1, bit_count_v<native_t>);
     }
     for (uint_t n = value_size; n < std::size(digits); ++n)

Original file line number	Diff line number	Diff line change
`@@ -180,7 +180,7 @@ constexpr long_uint_t<native_t, size>::long_uint_t(type_t value) noexcept`
`180`	`180`
`181`	`181`	`for (uint_t n = 0; n < value_size; ++n) {`
`182`	`182`
`183`		`- digits[n] = value & native_t(~0);`
	`183`	`+ digits[n] = value & ~native_t(0);`
`184`	`184`	`value >>= std::min(bit_count_v<type_t> - 1, bit_count_v<native_t>);`
`185`	`185`	`}`
`186`	`186`	`for (uint_t n = value_size; n < std::size(digits); ++n)`