Raytheon Interview Question Reverse Engineering and System Developers

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    What is the output of the following procedure
    {
    void foo() {
    int* a = 0;
    char* b = NULL;
    printf("%x %x", a, b);
    printf("%x %x", *a, b);
    printf("%x %x");
    }
    }

    - gdrocell on June 01, 2012 in United States for SIGOV Report Duplicate | Flag
    Raytheon Reverse Engineering and System Developer C

Team: SIGOV
Country: United States
Interview Type: In-Person


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this might throw exception:printf("%x %x", *a, b); since both a and b are null pointer, it could throw exception depend on the compiler. a should zero (address)

- Anonymous on June 01, 2012 | Flag Reply
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As both addresses are NULL(0), first printf yields 2 0s, second printf crashes as no valid address is present at a and is being accessed..

- V on June 01, 2012 | Flag
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Segmentation Fault: dereferencing a NULL pointer

- ravigupta on June 02, 2012 | Flag Reply


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