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Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

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Q&A How to properly use malloc?

I have seen this construct quite a lot: int *p = (int*) malloc(n * sizeof(int)); Is this how it should be? What is the proper way to use malloc? I have also seen this: int *p = malloc(n * size...

3 answers  ·  posted 3y ago by klutt‭  ·  last activity 1y ago by Lundin‭

#2: Nominated for promotion by user avatar Alexei‭ · 2022-02-20T08:23:39Z (almost 3 years ago)
#1: Initial revision by user avatar klutt‭ · 2022-02-10T01:11:06Z (almost 3 years ago)
How to properly use malloc?
I have seen this construct quite a lot:

    int *p = (int*) malloc(n * sizeof(int));

Is this how it should be? What is the proper way to use `malloc`? I have also seen this:

    int *p = malloc(n * sizeof *p);

Which one is preferable?