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What are the best books? (lemmy.world)

submitted 4 months ago by [email protected] to c/[email protected]

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[–] [email protected] 12 points 3 months ago (2 children)

[–] LemoineFairclough 3 points 3 months ago* (last edited 3 months ago)

*(char*)0 = 0; - What Does the C++ Programmer Intend With This Code? - JF Bastien - C++ on Sea 2023

https://www.youtube.com/watch?v=dFIqNZ8VbRY

[–] [email protected] 2 points 3 months ago (2 children)

How would you use that for debugging?

(Sry I'm too cheap to go and buy the book)

[–] jxk 7 points 3 months ago

My best guess is that in some configurations it raises SIGSEGV and then dumps core. Then, you use a debugger to analyse the core dump. But then again you could also set a breakpoint, or if you absolutely want a core dump, use abort() and configure SIGABRT to produce a core dump.

[–] [email protected] 2 points 3 months ago

to see whether your code has executed a certain path (like printf("here") but as a crash)