Re: git: 419822b372f5 - main - libgeom(3): Use calloc instead of malloc and bzero.

From: Mateusz Piotrowski <>
Date: Fri, 11 Mar 2022 15:40:15 UTC
On 11/03/2022 15:15, Warner Losh wrote:
> On Fri, Mar 11, 2022, 4:10 AM Hans Petter Selasky <> wrote:
>     On 3/11/22 11:57, Mateusz Piotrowski wrote:
>     > Hi,
>     >
>     > I grepped out tree and there are many other places, which could be
>     > converted to using calloc. Is there anything to watch out for when
>     > converting malloc and memset call pairs to calloc?
>     >
>     If you have a tool for it combined with a review, should be pretty
>     straight forward.
> You likely can use coccinelle to find these. It works better than grep.

Everything is probably better than grep in this case. I actually used weggli to find those 
malloc/memset uses.

I was actually thinking if something about the calloc implementation could bite us if we just change 
all malloc/memset occurances to calloc. Something similar to what is described in this article for 


Mateusz Piotrowski