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feat(c-api) Implement wasm_$name_vec_t::into_slice_mut.

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This commit is contained in:
Ivan Enderlin
2020-10-30 13:29:28 +01:00
parent ff3a6c8397
commit 92e4cf64c1
1 changed files with 10 additions and 0 deletions
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10
lib/c-api/src/wasm_c_api/macros.rs
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@@ -64,6 +64,16 @@ macro_rules! wasm_declare_vec {
} }
} }
impl [<wasm_ $name _vec_t>] {
pub unsafe fn into_slice_mut(&self) -> Option<&mut [[<wasm_ $name _t>]]>{
if self.data.is_null() {
return None;
}
Some(::std::slice::from_raw_parts_mut(self.data, self.size))
}
}
// TODO: investigate possible memory leak on `init` (owned pointer) // TODO: investigate possible memory leak on `init` (owned pointer)
#[no_mangle] #[no_mangle]
pub unsafe extern "C" fn [<wasm_ $name _vec_new>](out: *mut [<wasm_ $name _vec_t>], length: usize, init: *mut [<wasm_ $name _t>]) { pub unsafe extern "C" fn [<wasm_ $name _vec_new>](out: *mut [<wasm_ $name _vec_t>], length: usize, init: *mut [<wasm_ $name _t>]) {