Re: tools/mm: Use calloc and check the potential memory allocation failure

[Markus Elfring]

>>> Replace malloc with calloc and add memory allocating check
>>                        memset(…, 0, …) call by calloc()?
>
> Calloc returns zeroed-out memory.

I propose to improve the change description considerably.


>>> of comm_str before used.
>> * Add also a null pointer check for the detection of a memory allocation failure.
>
> Which is exactly what Zhu has done?

Can the commit message become nicer anyhow?


…
>> * How do you think about to omit the statement “fprintf(stderr, "Out of memory\n");”?
>
> Why?

I imagine that a returned null pointer can eventually be sufficient already.
Would you get helpful background information from the variable “errno”?

Regards,
Markus