I assume that means that we have abandoned the plan to eventually make
malloc infallible?

- Kyle

On Mon, Mar 30, 2015 at 10:59 PM, Mike Hommey <m...@glandium.org> wrote:
> Hi,
>
> In the next few weeks, there is going to be a reduction in the number of
> our memory allocator wrappers/functions, for essentially the following
> reasons:
> - we have too many of them,
> - developers rarely know which one to use, which results in:
> - developers often make mistakes[1]
>
> This started today with the landing of bug 1138293, which effectively
> removed moz_malloc, moz_realloc, moz_calloc and moz_free.
>
> They were replaced, respectively, with malloc, realloc, calloc and free,
> because that works™.
>
> If you have pending patches that use moz_malloc, moz_realloc,
> moz_calloc, moz_free, you can just remove the moz_ prefix.
>
> The infallible moz_xmalloc, moz_xrealloc and moz_xcalloc still do exist,
> and memory allocated with them can be freed with free.
>
> With that being said, please refrain from using any of the functions
> mentioned above. Please prefer the C++y new and delete. new is
> infallible by default (equivalent to moz_xmalloc). If you need an
> equivalent to moz_malloc, use fallible new instead:
>
>         new (fallible) Foo()
>
> Please note that this shouldn't make uplifting harder. Platform patches
> using malloc/free/new/delete should apply and work just fine on beta,
> aurora and esr (with a few exceptions ; if you uplift something from
> mfbt/mozglue that uses the memory allocator, please check with me).
>
> Cheers,
>
> Mike
>
>
> 1. if you look for it, you'll find cases of one family used for
>    allocation and another for deallocation, for possibly close to all
>    combinations of families (NS_Alloc, nsMemory, moz_malloc, malloc,
>    new).
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