Deny unsafe operations in unsafe functions in libstd/alloc.rs#74333
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bors merged 1 commit intorust-lang:masterfrom Jul 19, 2020
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Deny unsafe operations in unsafe functions in libstd/alloc.rs#74333bors merged 1 commit intorust-lang:masterfrom
bors merged 1 commit intorust-lang:masterfrom
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LukasKalbertodt
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Thanks! I left one comment, but that's rather a question. This PR is certainly an improvement.
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| // SAFETY: see the guarantees expected by `Layout::from_size_align` and | ||
| // `GlobalAlloc::alloc`. |
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But is it documented somewhere that the caller of __rdl_alloc needs to make sure the parameters are valid according to Layout::from_size_align? Same for the functions below.
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Not to my knowledge, or at least I do not remember finding anything when searching for it. I read the code several times to check and saw nothing that invalidated that but I may have missed something.
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…arth Rollup of 4 pull requests Successful merges: - rust-lang#74333 (Deny unsafe operations in unsafe functions in libstd/alloc.rs) - rust-lang#74356 (Remove combine function) - rust-lang#74419 (Add a thumbv4t-none-eabi target) - rust-lang#74485 (More intra-doc links, add explicit exception list to linkchecker) Failed merges: - rust-lang#74486 (Improve Read::read_exact documentation) r? @ghost
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Partial fix of #73904.
This encloses
unsafeoperations inunsafe fninlibstd/alloc.rs.@rustbot modify labels: F-unsafe-block-in-unsafe-fn