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if ((&x - &y) != 1889) // 1889 IS FIXED NUMBER do not change { // do not bypass/change, see comments above while (1) // do not bypass/change, see comments above { // do not bypass/change, see comments above PING_WDOGS(); // do not bypass/change, see comments above } // do not bypass/change, see comments above } // do not bypass/change, see comments above
for various reasons the dfference between &x and &y must stay what it is or "unanticipated" errors that may pass a test will occur.
I hate to 'hang' whoever makes the illegal change and would thus prefer #if ((&x - &y) != 1889) #error : illegal change #endif
is thare a way to circumvent the preprocessors objections?
Erik
assert_static()
http://drdobbs.com/184401873
Not too fun with a construct where address of two variables have to have fixed distance.
It's slightly more common to have structures where fields are expected to be at a specific offset (but still quite hurtful).
Could you possibly share reason for your requirement? I would be interesteed in seeing if there might have existed some other language or design construct for the original problem.