(svn r26238) -Codechange: Use StringParameters::GetDataLeft to check for left space in the param array.

src/strings_func.h

@@ -56,7 +56,7 @@ public:
 		offset(0),
 		num_param(size)
 	{
-		assert(size <= parent.num_param - parent.offset);
+		assert(size <= parent.GetDataLeft());
 		if (parent.type == NULL) {
 			this->type = NULL;
 		} else {
@@ -89,6 +89,12 @@ public:
 		return &this->data[this->offset];
 	}
 
+	/** Return the amount of elements which can still be read. */
+	uint GetDataLeft() const
+	{
+		return this->num_param - this->offset;
+	}
+
 	/** Get a pointer to a specific element in the data array. */
 	uint64 *GetPointerToOffset(uint offset) const
 	{