init.hpp

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#pragma once


namespace planet::sdl {

Not part of the engine's interface: a game gets this by starting the engine, so it sits beside the init that calls it, where the tests over it can still reach it.

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    void use_system_time_conventions();

Called by init, after which a date shows as 04/08/26 where the day leads and 08/04/2026 10:42:34 AM where the month does.

A locale named in the environment is the one taken up, including when it names C. SDL is asked only when the environment says nothing — which is how a macOS application launched from the Finder is started, leaving the C library nothing to go on where SDL still knows to ask the platform.

Only LC_TIME is handed over: dates are what is wanted, where the numeric conventions would change how the C library reads and writes every number in the process.

A machine that says nothing anywhere keeps the C conventions, which are still a readable date and time, so this logs rather than refusing to start.

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}