1 files changed, 29 insertions, 0 deletions
diff --git a/src/types/sz.c b/src/types/sz.c
new file mode 100644
index 0000000..e6660a9
--- /dev/null
+++ b/src/types/sz.c
@@ -0,0 +1,29 @@
+/*
+ * nanowasm, a tiny WebAssembly/Wasm interpreter
+ * Copyright (C) 2023-2025  Xavier Del Campo Romero
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#include <nanowasm/nw.h>
+#include <nw/types.h>
+#include <stddef.h>
+
+int nwp_type_sz(const enum nw_type t, size_t *const out)
+{
+    static const size_t sz[] =
+    {
+        sizeof (long),
+        sizeof (struct nw_ll),
+        sizeof (float),
+        sizeof (double)
+    };
+
+    if (t < 0 || t >= sizeof sz / sizeof *sz)
+        return -1;
+
+    *out = sz[t];
+    return 0;
+}