Is the memory allocated through new() automatically deleted?? I m

Question

C / C++

progmatic99

Is the memory allocated through new() automatically deleted?? I m

looking at the code on this page

0

20.03.2021

10 ответов

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progmatic99 Автор вопроса

Pavel
It deleted only when you call delete on it. If you...

so why when i run this code, i don't get any error??

0

20.03.2021

Pavel

progmatic99
so why when i run this code, i don't get any error...

Not sure if I understand your question

0

20.03.2021

progmatic99 Автор вопроса

when i run the code on this page, i don't get any error. why is that?? since i haven't delete/freed the memory, shouldn't i get an error??

0

20.03.2021

Chandradeep Dey

progmatic99
when i run the code on this page, i don't get any ...

> shouldn't i get an error you might if you use a memory sanitizer or valgrind. C++ doesn't track the memory so it cannot warn you about that.

0

20.03.2021

progmatic99 Автор вопроса

Chandradeep Dey
> shouldn't i get an error you might if you use a ...

but the compiler tracks it, right??

0

20.03.2021

Chandradeep Dey

progmatic99
but the compiler tracks it, right??

no?

0

20.03.2021

Pavel

progmatic99
but the compiler tracks it, right??

Compiler doesn't track objects created with new, it is responsibility of the programmer.

0

20.03.2021

progmatic99 Автор вопроса

Pavel
Compiler doesn't track objects created with new, i...

so, that's why cpp has a bad rep regarding pointers. So i should delete them manually

0

20.03.2021

Chandradeep Dey

progmatic99
so, that's why cpp has a bad rep regarding pointer...

you should not use naked news in your code in the first place

0

20.03.2021

Pavel · Accepted Answer

Pavel

It deleted only when you call delete on it. If you want it to be deleted automatically, use std::unique_ptr or std::shared_ptr

0

20.03.2021

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Is the memory allocated through new() automatically deleted?? I m

10 ответов

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