STRBYTES() would error out if a null encoding was provided.

Author: MTrop

docs/CHANGELOG.md

@@ -3,6 +3,12 @@ RookScript (C) Black Rook Software
 by Matt Tropiano et al. (see AUTHORS.txt)
 
 
+Changed in 1.16.1
+-----------------
+
+- `Fixed` STRBYTES() would error out if a null encoding was provided.
+
+
 Changed in 1.16.0
 -----------------
 

src/main/java/com/blackrook/rookscript/functions/common/StringFunctions.java

@@ -603,7 +603,7 @@ protected Usage usage()
 					"Returns a buffer of bytes that represents the provided string in the specified encoding."
 				)
 				.parameter("string", 
-					type(Type.STRING, "The string to encode as bytes.")
+					type(Type.STRING, "The string (or value converted to string) to encode as bytes.")
 				)
 				.parameter("encoding", 
 					type(Type.NULL, "Use native encoding."),
@@ -623,7 +623,7 @@ public boolean execute(ScriptInstance scriptInstance, ScriptValue returnValue)
 			try
 			{
 				scriptInstance.popStackValue(temp);
-				String encodingName = temp.asString();
+				String encodingName = temp.isNull() ? null : temp.asString();
 				scriptInstance.popStackValue(temp);
 				String str = temp.asString();