Debugging C Programs with GDB

[@tibish]

This helps me as I’m learning C for my university degree. Much appreciated. Keep up the great work 🤗

[@kid-presentable]

Just finished an Operating Systems class and was talking with my brother in law about how hard it is to debug C with just printfs, and he was confused I wasn't using GDB. My teacher never taught us it existed. I'm so mad

[@thechronicler7461]

Never have I imagined one day I'd be debugging with minimal UI like this. Thx for the vid.

[@michaelhex]

I have been programming in C for 40 years and the only command I know in gdb is "where", once I see the stack trace I usually know where the issue is. The best tool for debugging C is your brain.

[@NeuralNine]

Agree!

[@Joao-oo8yj]

"The best tool for debugging C is your brain" -- John Carmack wouldn't agree with that statement.

[@michaelhex]

@@Joao-oo8yj Each to his own. It works for me, never had any problems debugging code for over 40 years.

[@edwardmacnab354]

at 9:14 , it is an unfortunate choice to have your file named main.c because if the file were called hello.c for example you would also use >disassemble main and not >disassemble hello because there is an inherent assumption in the way you presented it !

[@davidho1258]

how did you know i needed this 😇

[@zeekthegeek4538]

cheers mate, helped me out a ton.

[@lennuard_6998]

would be cool if you could more in depth with C

[@esimitley4729]

Thank you, very useful for neophyte :)

[@michaelciyke]

So nice a guide. Loved it! And I like your microphone. You should have skipped the part of writing the actual code since it's not the point of the guide. It is also nice that you added that skipping ability so one can just go straight to debugging. Still some users will miss the video because of the length not knowing it is in fact organized in chapters. I'm speaking of those who need just a focused video on debugging.

[@johnwight6041]

What is the nv command do? Is that a text editor like vim or nano? Not familiar

[@Wutheheooooo]

neovim, likely an alias for nvim, not actual name in the bin I think.

[@smashy152]

Is it possible to have gdb display all relevant variables to the current scope(or global and local) and update them with each step like vscode does? or do you have to type print for each variable every step?

[@Kapkar]

Do we need GDB ? Visual studio code has good debugging system with breakpoints that you mentioned for Pyhton. So should we use VSCode ?

[@roymarshall_]

Sometimes you don't have a choice

[@Kapkar]

@@roymarshall_ Yeah you're right mate

[@salsamancer]

debugging C on your PC is one thing. The real "fun" starts when you try to debug an embedded program that you burned to an IC...

[@shadowrealm8937]

How did you copypasted scanf lines?

[@lawrencedoliveiro9104]

6:47 Use a pager.

[@enrgpro]

Keep up the good work

[@digitalrew]

Cool, thanks, I love this video, I learned new good stuff! Actually I got to this video, because after several tries, I couldn't seem to make the VScode work properly... I know I'm a noob...

[@nareshtechweb930]

what is nv IDEs ❓

[@facundoguinazu3542]

Does this works as well with c++?

[@knowledgedose1956]

cool, thank you for dedication. Do you consider making videos about Rust or Go in future?

[@meshlife2346]

NICE VIDEO 😊😊

[@panoskappos2735]

what IDE is this ?

[@CliffordMacpherson-l8e]

Isobel Walks

[@ADwaMoviesandMusicsproduction]

not a single person shows the first step, where are you opening the file or anything like that, there is no help really for gdb beginner, how to use text editor, gnu or shell together, I never heard of gdb and everyone says you use this comman and install gdb, only minigw video, explains atleast the first part

[@edwardmacnab354]

yes it all depends on that one rare video. For example , I couldn't compile a simple hello world and the error was that there was no stdio.h which kinda threw me . Then I read that to compile the source for glibc you needed glibc , which catch 22 threw me , then I saw this one vid that said do sudo apt install build-essentials and , lo and behold HELLO WORLD !! Weird that so much key info is squirreled away so deep .

[@recklessvelociraptor2579]

is there any good gui alternatives for gdb?

[@recklessvelociraptor2579]

I think it is uses gdb by default? So I can use all gdb commands in there? Like reverse step?@soufiane_dev

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Melvin Light

[@Jonathan-ru9zl]

Hi! Why actually going that way if you have codeblocks or eclipse or other IDEs?

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6:38 My god, doesn't your console have a scrollbar?! 😂

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[@edwardmacnab354]

you might have said that in >nv main.c at the bash prompt nv is a custom alias that you've set up and that to terminate the shell running the c program you use ^c or ctrl + c and you probably should have cited all the documentation sites for gdb and to really scare people gcc , nano , and glibc . Actually I have learned that ^d or ctrl + d is the proper way to terminate

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