4688ccbf95
This is slightly easier to use than the previous pattern that was always followed up by the same conversions. (cherry picked from commit 756c080730cd4fa81d4c0e3a99688cbe8debe57f)
47 lines
1.4 KiB
Rust
47 lines
1.4 KiB
Rust
use anyhow::Result;
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use nix_c_raw as raw;
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use nix_util::{
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result_string_init,
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string_return::{callback_get_result_string, callback_get_result_string_data},
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};
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pub struct StorePath {
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raw: *mut raw::StorePath,
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}
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impl StorePath {
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/**
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* This is a low level function that you shouldn't have to call unless you are developing the Nix bindings.
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*
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* Construct a new `StorePath` by first cloning the C store path.
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* This does not take ownership of the C store path, so it should be a borrowed value, or you should free it.
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*/
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pub fn new_raw_clone(raw: *const raw::StorePath) -> Self {
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Self::new_raw(unsafe { raw::store_path_clone(raw as *mut raw::StorePath) })
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}
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/**
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* This is a low level function that you shouldn't have to call unless you are developing the Nix bindings.
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*
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* Takes ownership of a C `nix_store_path`. It will be freed when the `StorePath` is dropped.
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*/
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pub fn new_raw(raw: *mut raw::StorePath) -> Self {
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StorePath { raw }
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}
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pub fn name(&self) -> Result<String> {
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unsafe {
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let mut r = result_string_init!();
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raw::store_path_name(
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self.raw,
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Some(callback_get_result_string),
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callback_get_result_string_data(&mut r),
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);
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r
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}
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}
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}
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impl Drop for StorePath {
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fn drop(&mut self) {
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unsafe {
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raw::store_path_free(self.raw);
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}
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}
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}
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