Thread: API Hooking?

  1. #16
    &TH of undefined behavior Fordy's Avatar
    Join Date
    Aug 2001
    Originally posted by Sayeh
    2) Replace the API trap with your won to modify behavior entirely (this is incredibly useful for modifying the behavior of the O/S or correcting bug fixes until a new release is made,
    Sayeh...out of interest, is this technique actually used that much?

    I've seen articles on its use, but I often wondered on how much its actually used in practice.....I wondered if some of the "Hot fixes" you download as bug fixes from Microsoft used this as an interim fix before a decent service pack was released.....

  2. #17
    Guest Sebastiani's Avatar
    Join Date
    Aug 2001
    Waterloo, Texas
    Here's a real gem, some articles (1), (2) Matt Pietrek wrote back in February that illuminates the subject quite well. Enjoy...
    Last edited by Sebastiani; 11-21-2002 at 12:21 PM.
    #include <cmath>
    #include <complex>
    bool euler_flip(bool value)
        return std::pow
            std::complex<float>(0, 1) 
            * std::complex<float>(std::atan(1.0)
            *(1 << (value + 2)))
        ).real() < 0;

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