Merge branch 'master' into fix-c-api-module-serialize

lib/c-api/src/wasm_c_api/wasmer.rs

@@ -1,9 +1,42 @@
 //! Wasmer-specific extensions to the Wasm C API.
 
-use crate::wasm_c_api::instance::wasm_instance_t;
+use super::instance::wasm_instance_t;
+use super::module::wasm_module_t;
+use super::types::wasm_name_t;
 use std::ffi::c_void;
+use std::str;
+use std::sync::Arc;
 
 #[no_mangle]
 pub unsafe extern "C" fn wasm_instance_get_vmctx_ptr(instance: &wasm_instance_t) -> *mut c_void {
     instance.inner.vmctx_ptr() as _
 }
+
+#[no_mangle]
+pub unsafe extern "C" fn wasm_module_name(module: &wasm_module_t, out: &mut wasm_name_t) {
+    let name = match module.inner.name() {
+        Some(name) => name,
+        None => return,
+    };
+
+    *out = name.as_bytes().to_vec().into();
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn wasm_module_set_name(
+    module: &mut wasm_module_t,
+    name: &wasm_name_t,
+) -> bool {
+    let name = match name.into_slice() {
+        Some(name) => match str::from_utf8(name) {
+            Ok(name) => name,
+            Err(_) => return false, // not ideal!
+        },
+        None => return false,
+    };
+
+    match Arc::get_mut(&mut module.inner) {
+        Some(module) => module.set_name(name),
+        None => false,
+    }
+}