Google's take on memory safety
jmh530
john.michael.hall at gmail.com
Wed Mar 13 20:49:01 UTC 2024
On Wednesday, 13 March 2024 at 19:18:20 UTC, bachmeier wrote:
> On Sunday, 10 March 2024 at 09:34:28 UTC, Emmanuel Danso Nyarko
> wrote:
>> On Sunday, 10 March 2024 at 04:24:15 UTC, Walter Bright wrote:
>>> On 3/9/2024 3:32 PM, Lance Bachmeier wrote:
>>>> I "ported" a few thousand lines of C to D in a couple hours
>>>> this afternoon. That includes the time it took to put all C
>>>> memory allocation inside SafeRefCounted. With the overhead
>>>> out of the way (setting up the SafeRefCounted structs,
>>>> testing, and some minor other things) I bet I could easily
>>>> port 20,000 lines in an 8-hour day. Working directly with C
>>>> macros was the last thing needed to make this go fast.
>>>
>>> Thanks for posting that, I enjoy such testimonials!
>>
>> What about we build maybe a strategy to send D out there! We
>> must let the world see the power of D.
>
> Show them working code. This is a separate project I did after
> the one I posted about in my previous comment.
>
> https://github.com/bachmeil/d-gslrng
>
> It took only a few hours and there's over 7000 lines of C.
> There are some nice features of this project:
>
> - I made zero changes to the C code. Now that we have macro
> support, every line in the C files was copied and pasted. That
> means I get to reuse the decades of testing done on this
> popular library.
> - I was able to strip out a small part of a much larger
> library. If I were calling into a C library, I'd be stuck with
> whatever they give me.
[snip]
Cool!
So this proves that importC works on a limited subset of gsl. Do
you have any reason to believe it wouldn’t work on the whole
library?
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