https://docs.microsoft.com/en-us/windows/win32/api/tlhelp32/nf-tlhelp32-createtoolhelp32snapshot
On Thu, Jan 14, 2021 at 7:30 PM ToddAndMargo via perl6-users <
perl6-us...@perl.org> wrote:
> On 1/14/21 3:42 PM, Paul Procacci wrote:
> > Let me preface this by saying if I were using a lower level language
> > (like C) I wouldn't have this problem; as I know how to shift and mask
> > accordingly.
> >
> > On raku however, how to do so *eloquantly* eludes me.
> >
> > I've defined a CStruct as follows:
> >
> > class test is repr('CStruct') {
> >
> > has int64 $.a1;
> >
> > has int64 $.a2;
> >
> > ...
> >
> > has int64 $.a65;
> >
> > }
> >
> > Under normal circumstances I would have defined the member as:
> > `HAS int16 @.a[260] is CArray` however that seems to be broken. See:
> >
> > https://github.com/rakudo/rakudo/issues/3633
> > <https://github.com/rakudo/rakudo/issues/3633>
> >
> > The function that gets called with these members $.a1 .. $.a65 should
> > get filled with a wchar_t character array.
> >
> > Does raku employ a simple method of decoding the 4 wchar_t's that get
> > placed into a int64 structure? The characters I'd like to extract are
> > at bit positions [15:0], [31.16], [47:32], [63:48]
> >
> > I'm imagining something along the lines of:
> >
> > buf16.new( $.a1, ... $.a64);
> >
> > ... but that doesn't quite work like I would expect.
> >
> > Thanks,
> > ~Paul
>
> Hi Paul,
>
> Would you post the system call you are trying to
> interface with?
>
> -T
>
>
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