Pointer Subtraction (Non-Fatal)

LabWindows/CVI generates pointer subtraction errors for erroneous pointer subtraction expressions. The following user protection errors involve pointer subtraction.

• Subtraction involving an uninitialized pointer
• Subtraction involving a null pointer
• Subtraction involving an invalid pointer
• Subtraction of pointers to different objects
• Subtraction involving the address of a non-array object
• Subtraction of pointers to freed memory