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doc: Clarify ownership around StorePath::new_*

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(cherry picked from commit 397f00e8eefff376759f05bd0cbaecc106c681df)
This commit is contained in:
Robert Hensing 2024-05-22 14:01:36 +02:00
parent a2686c31b2
commit 9a6ef0489e
1 changed files with 11 additions and 0 deletions
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11
rust/nix-store/src/path.rs
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@ -6,9 +6,20 @@ pub struct StorePath {
raw: *mut raw::StorePath, raw: *mut raw::StorePath,
} }
impl StorePath { impl StorePath {
/**
* This is a low level function that you shouldn't have to call unless you are developing the Nix bindings.
*
* Construct a new `StorePath` by first cloning the C store path.
* This does not take ownership of the C store path, so it should be a borrowed value, or you should free it.
*/
pub fn new_raw_clone(raw: *const raw::StorePath) -> Self { pub fn new_raw_clone(raw: *const raw::StorePath) -> Self {
Self::new_raw(unsafe { raw::store_path_clone(raw as *mut raw::StorePath) }) Self::new_raw(unsafe { raw::store_path_clone(raw as *mut raw::StorePath) })
} }
/**
* This is a low level function that you shouldn't have to call unless you are developing the Nix bindings.
*
* Takes ownership of a C `nix_store_path`. It will be freed when the `StorePath` is dropped.
*/
pub fn new_raw(raw: *mut raw::StorePath) -> Self { pub fn new_raw(raw: *mut raw::StorePath) -> Self {
StorePath { raw } StorePath { raw }
} }