• =?UTF-8?B?Tm9yZGzDtnc=?= (5/5) Sep 11 2017 If I have a function like
• Jacob Carlborg (7/16) Sep 11 2017 It looks like the length needs to come first [1]. I think it would be
• Per =?UTF-8?B?Tm9yZGzDtnc=?= (3/8) Sep 12 2017 Thanks.

=?UTF-8?B?Tm9yZGzDtnc=?= <per.nordlow gmail.com> writes:

If I have a function like

`extern(C) void f(void *x, size_t x_sz)`

can I instead declare it as

`extern(C) void f(void[] x)`

?

Jacob Carlborg <doob me.com> writes:

On 2017-09-12 01:03, Nordlöw wrote:
 If I have a function like
 
 `extern(C) void f(void *x, size_t x_sz)`
 
 can I instead declare it as
 
 `extern(C) void f(void[] x)`
 
 ?

It looks like the length needs to come first [1]. I think it would be 
technically possible if you flipped the parameters but you would become 
dependent on the ABI as well. I would recommend a wrapper instead.

[1] https://dlang.org/spec/abi.html#arrays

-- 
/Jacob Carlborg

Per =?UTF-8?B?Tm9yZGzDtnc=?= <per.nordlow gmail.com> writes:

On Tuesday, 12 September 2017 at 06:23:57 UTC, Jacob Carlborg 
wrote:
 It looks like the length needs to come first [1]. I think it 
 would be technically possible if you flipped the parameters but 
 you would become dependent on the ABI as well. I would 
 recommend a wrapper instead.

 [1] https://dlang.org/spec/abi.html#arrays

Thanks.