fix(tlsf): forward realloc to tlsf#124
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zeenix merged 1 commit intorust-embedded:masterfrom Mar 4, 2026
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@Conaclos Since there is no option to squash merge, could you please squash all your commits and force push to this branch? Thanks. |
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Rebased and squashed. |
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Hi!
I am working in an embedded context that shipped some shims for C
realloc. The shim simply delegates the allocation/reallocation to the global Rust allocator.It passed a dummy layout to
alloc::reallocandalloc::dealloc, assuming that the global allocator ignore them and retrieve the original layout on its own.I am currently using the tlsf allocator ad global allocator.
So I discovered a bug where the current
embedded-allocimplementation doesn't ignore the dummy layout in the case of reallocations because it used the default implementation of the Rust library.This is a bug:
reallocshould be forwarded to the underlying rlsf crate.This PR fixes this bug.