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Pointer Subtraction (Non-Fatal)

LabWindows/CVI

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