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Extend Rust FFI

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Do idiomatic C++ copy and move constructors for a few things, so
wrapping structs' defaults can work.
This commit is contained in:
John Ericson 2020-03-22 23:43:07 -04:00 • committed by John Ericson
parent eb1911e277
commit e433d4af4c
8 changed files with 63 additions and 21 deletions
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7
nix-rust/src/c.rs
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@ -64,6 +64,13 @@ pub extern "C" fn ffi_StorePath_clone(self_: &StorePath) -> StorePath {
self_.clone()
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_clone_to(self_: &StorePath, other: *mut StorePath) {
unsafe {
core::ptr::write(other, self_.clone());
}
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_name(self_: &StorePath) -> &str {
self_.name.name()