SDL_CreateEnvironment(3)

✨ SDL_CreateEnvironment ✨

okay so bestie, this is SDL_CreateEnvironment — it's a function from the SDL3 FUNCTIONS crew, and what it does is literally just: create a set of environment variables. that's it. that's the whole vibe. a lil bundle of env vars, all yours, freshly made 🎀

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🌸 SYNOPSIS 🌸

#include <SDL3/SDL_stdinc.h>

SDL_Environment * SDL_CreateEnvironment(bool populated);

like yes, one header, one function, one bool. we love a clean signature 💅

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🦋 FUNCTION PARAMETERS 🦋

• populated — okay so this is the whole personality of the call ngl. pass true and your new environment gets initialized from the C runtime environment (aka it copies the vibes that already exist). pass false and you get a totally empty environment — a blank canvas, main character energy, nothing in it yet ✨

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💖 RETURN VALUE 💖

It hands you back a pointer to the shiny new environment 🫶 … OR it returns NULL on failure 😭 and if that happens you gotta call SDL_GetError() for more info. always check your returns bestie, no cap.

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👑 THREAD SAFETY 👑

okay this part matters, listen up:

• if populated is false, it is safe to call this function from any thread 🎉
• otherwise (so, populated is true), it's only safe if no other threads are calling setenv() or unsetenv() 💀

so like, don't be out here racing your threads through the environment. it's giving chaos and we do not stan.

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🌈 AVAILABILITY 🌈

this function is available since SDL 3.2.0 ⭐ (yes she's new-ish, she's fresh, she's thriving)

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🍓 SEE ALSO 🍓

go read these next, iykyk:

• SDL_GetEnvironmentVariable(3)
• SDL_GetEnvironmentVariables(3)
• SDL_SetEnvironmentVariable(3)
• SDL_UnsetEnvironmentVariable(3)
• SDL_DestroyEnvironment(3)

🫶 friendly reminder from your girl: you made it with SDL_CreateEnvironment, so when you're done with it, SDL_DestroyEnvironment(3) is right there. clean up after yourself, queen 💅

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Simple Directmedia Layer · SDL 3.4.18 · page for SDL_CreateEnvironment(3) — mwah, go forth and set some env vars, ily, bye 💖✨🧚