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Assert STORE_PATH_HASH_SIZE matches C struct

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`zerocopy` is safe enough, but it's good to be explicit about this.
This commit is contained in:
Robert Hensing 2026-01-14 21:47:02 +01:00
parent 65abededca
commit 6619b881b3
1 changed files with 3 additions and 0 deletions
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3
nix-bindings-store/src/path.rs
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@ -12,6 +12,9 @@ use nix_bindings_util::{
/// The size of a store path hash in bytes (20 bytes, decoded from nix32). /// The size of a store path hash in bytes (20 bytes, decoded from nix32).
pub const STORE_PATH_HASH_SIZE: usize = 20; pub const STORE_PATH_HASH_SIZE: usize = 20;
#[cfg(nix_at_least = "2.33")]
const _: () = assert!(std::mem::size_of::<raw::store_path_hash_part>() == STORE_PATH_HASH_SIZE);
pub struct StorePath { pub struct StorePath {
raw: NonNull<raw::StorePath>, raw: NonNull<raw::StorePath>,
} }