I would like to use std::mktime on a std:: tm like structure. I want to do this because my seconds have double precision and std:: tm only has integer precision for the number of seconds. Is there an alternative structure, that has double precision, that would allow me to use mktime on it?
Is there an alternative to the std::tm structure?
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I note that one of your tags is [c]. Can't help you there. But if you're in C++11/14, this free open-source library provides all of the functionality of
tmandmtkimewith arbitrarily fine precision (nanoseconds no problem). It builds on the C++11std::chronofacilities and adds parsing, formatting, conversions to/from calendar types, and timezone functionality that far exceed the old C API.There is full documentation. There are video tutorials. There is a gitter chat room. There are github issues. And it is portable across the later versions of Visual Studio, gcc and clang.
Lots of example code here.