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The following sections examine specific operations that are susceptible to integer overflow. The specific tests that are required to guarantee that the operation does not result in an integer overflow depend on the signedness of the integer types. When operating on small types (smaller than int
), integer conversion rules apply. The usual arithmetic conversions may also be applied to (implicitly) convert operands to equivalent types before arithmetic operations are performed. Make sure you understand implicit conversion rules before trying to implement secure arithmetic operations.
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| c:INT32-C-a. Ensure that integer addition operations do not result in an overflow |
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| c:INT32-C-a. Ensure that integer addition operations do not result in an overflow |
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| c:INT32-C-b. Ensure that integer subtraction operations do not result in an overflow |
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| c:INT32-C-b. Ensure that integer subtraction operations do not result in an overflow |
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| Multiplication |
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| Multiplication |
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| c:INT32-C-c. Ensure that integer multiplication operations do not result in an overflow |
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| c:INT32-C-c. Ensure that integer multiplication operations do not result in an overflow |
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Division
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