multiple definition of malloc, calloc, and free when used together with other crates providing them about esp-wifi HOT 3 OPEN

My noobish recommendation would be to make a default-enabled feature which enables these functions inside the crate, but that users can opt-out of if they have implemented them inside their own parent project.

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Just not including those functions is technically possible but where does the other crate place the heap? How does the heap get configured? The wifi drivers need a good chunk of memory (by default we reserve 64k but for some configurations more is needed)

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I'm using a global allocation heap with esp-alloc in my main project. A121-rs is "bring your own heap", embedded alloc can also serve the same function more generically.

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