[C#] Support u32 arrays

Author: TheBlueMatt

c_sharp/src/org/ldk/util/InternalUtils.cs

@@ -135,6 +135,14 @@ public static short[] decodeUint16Array(long arrptr) {
 		bindings.free_buffer(arrptr);
 		return res;
 	}
+	public static int[] decodeUint32Array(long arrptr) {
+		int len = getArrayLength(arrptr);
+		int[] res = new int[len];
+		for (int i = 0; i < len; i++)
+			res[i] = getU32ArrayElem(arrptr, i);
+		bindings.free_buffer(arrptr);
+		return res;
+	}
 	public static long[] decodeUint64Array(long arrptr) {
 		int len = getArrayLength(arrptr);
 		long[] res = new long[len];

csharp_strings.py

@@ -673,6 +673,8 @@ def primitive_arr_to_hu(self, arr_ty, fixed_len, arr_name, conv_name):
             return "byte[] " + conv_name + " = InternalUtils.decodeUint8Array(" + arr_name + ");"
         elif mapped_ty.c_ty == "uint16_t" or mapped_ty.c_ty == "int16_t":
             return "short[] " + conv_name + " = InternalUtils.decodeUint16Array(" + arr_name + ");"
+        elif mapped_ty.c_ty == "uint32_t" or mapped_ty.c_ty == "int32_t":
+            return "int[] " + conv_name + " = InternalUtils.decodeUint32Array(" + arr_name + ");"
         elif mapped_ty.c_ty == "uint64_t" or mapped_ty.c_ty == "int64_t":
             return "long[] " + conv_name + " = InternalUtils.decodeUint64Array(" + arr_name + ");"
         else: