• yawniek (5/5) Jul 21 2015 whats the proper way to use/wrap C functions that expect a error
• Daniel =?UTF-8?B?S296w6Fr?= (10/16) Jul 21 2015 dynamic:
• Adam D. Ruppe (3/5) Jul 21 2015 somefun(param1, buf.ptr, buf.length);

"yawniek" <dlang srtnwz.com> writes:

whats the proper way to use/wrap C functions  that expect a error 
string buffer
e.g.:
somefun(T param1, char* errstr, size_t errstr_size)
  in D ?

Daniel =?UTF-8?B?S296w6Fr?= <kozzi dlang.cz> writes:

On Tue, 21 Jul 2015 12:27:55 +0000
"yawniek" <dlang srtnwz.com> wrote:

 whats the proper way to use/wrap C functions  that expect a error 
 string buffer
 e.g.:
 somefun(T param1, char* errstr, size_t errstr_size)
   in D ?
 

dynamic:

auto buf = new char[size];
somefun(param1, buf.ptr, buf.length);
or
somefun(param1, buf.ptr, size);

static:

char[size] buf;
somefun(param1, &buf, size);

"Adam D. Ruppe" <destructionator gmail.com> writes:

On Tuesday, 21 July 2015 at 12:40:37 UTC, Daniel Kozák wrote:
 static:

 char[size] buf;

somefun(param1, buf.ptr, buf.length);

still works there too. That's the form I prefer to use.