+1, very sensible addition.

On 09:24, Sun, Nov 30, 2014 Luite Stegeman <stegeman@gmail.com> wrote:
+1 here too

additionally for GHCJS this is a no-brainer since ArrayBuffers (used for data storage when Addr# / Ptr is involved) are initialized to 0 on allocation, making calloc no more expensive than malloc.


On Sat, Nov 29, 2014 at 5:05 PM, Oleksandr Petrov <oleksandr.petrov@gmail.com> wrote:
Hi everyone,

There is a proposal [1] (with implemented revision) to implement zero-initialising versions 
of malloc{,Bytes,Array,Array0}
  • Add calloc and callocBytes to Foreign.Marshal.Alloc.
  • Add callocArray and callocArray0 to Foreign.Marshal.Array.
The benefit is that you can allocate required amount of memory and be certain that it will be cleared 
(set with zeroes) before you use it. Original discussion took a place in `fillBytes` [1] and was 
publicised on that mailing list [2].

Please share your thoughts.

Thank you.





--
alex p

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