[lwip-devel] [patch #7855] Provide alternative timeout implementation

[Michael Steinberg]

Follow-up Comment #9, patch #7855 (project lwip):

Hello,
absolute timing is actually really great and simplifies stuff everywhere
(exaggerated, but well...).

See this sorting/comparison invariant which is in use in my code:

template< typename T, typename S = typename
std::enable_if<std::is_unsigned<T>::value>::type >
bool time_overflow_compare(T a, T b)
{
    return T(b - a) <= (std::numeric_limits<T>::max() / 2);
}

I use this pattern to convert lwip timing calls to my own replaced timing. I
posted another patch proposal to allow custom timing on NO_SYS build.

Kind Regards

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