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Casting union fields to union type #279

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DrDeano opened this issue Jan 2, 2021 · 1 comment
Open

Casting union fields to union type #279

DrDeano opened this issue Jan 2, 2021 · 1 comment
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arch: none Affects common code across architectures blocked Blocked on an external issue bug Something isn't working as it should

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@DrDeano
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DrDeano commented Jan 2, 2021

In VFS, we need to cast a element of the union Node to the Node type. This is currently done using @ptrCast but will have undefined behavior if the memory layout is not as expected.
What we need is @fieldParentPtr, but is not implemented yet: ziglang/zig#6611
@DrDeano DrDeano added bug Something isn't working as it should arch: none Affects common code across architectures blocked Blocked on an external issue labels Jan 2, 2021
@mnemnion
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mnemnion commented Dec 8, 2024

Just a note that this is fixed on master with #14689

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@mnemnion @DrDeano