Allow count to be specified as a parameter.

volatility/framework/objects/utility.py

@@ -1,12 +1,15 @@
 from volatility.framework import objects
 
 
-def array_to_string(array, errors = 'replace'):
+def array_to_string(array, count = None, errors = 'replace'):
     """Takes a volatility Array of characters and returns a string"""
     # TODO: Consider checking the Array's target is a native char
+    if count is None:
+        count = array.vol.count
     if not isinstance(array, objects.Array):
         raise TypeError("Array_to_string takes an Array of char")
-    return array.cast("string", max_length = array.vol.count, errors = errors)
+    return array.cast("string", max_length = count, errors = errors)
+
 
 def pointer_to_string(pointer, count, errors = 'replace'):
     """Takes a volatility Pointer to characters and returns a string"""
@@ -15,4 +18,4 @@ def pointer_to_string(pointer, count, errors = 'replace'):
     if count < 1:
         raise ValueError("pointer_to_string requires a positive count")
     char = pointer.dereference()
-    return char.cast("string", max_length = count, errors=errors)
+    return char.cast("string", max_length = count, errors = errors)