[wasmtime-api] Multi value api support (#448)

2019-10-23 14:09:27 -05:00
parent a3dd4b91e1
commit 876d5e1075
5 changed files with 149 additions and 20 deletions
--- a/wasmtime-api/src/wasm.rs
+++ b/wasmtime-api/src/wasm.rs
@@ -1651,3 +1651,12 @@ pub unsafe extern "C" fn wasm_instance_set_host_info_with_finalizer(
    };
    (*instance).instance.anyref().set_host_info(info);
 }
+
+#[no_mangle]
+pub unsafe extern "C" fn wasm_valtype_vec_copy(
+    out: *mut wasm_valtype_vec_t,
+    src: *mut wasm_valtype_vec_t,
+) {
+    let slice = slice::from_raw_parts((*src).data, (*src).size);
+    (*out).set_from_slice(slice);
+}