returning a string from a primitive
Bert Freudenberg
bert at freudenbergs.de
Mon Mar 5 22:27:49 UTC 2007
ExternalAddress is FFI only.
- Bert -
On Mar 5, 2007, at 22:15 , John M McIntosh wrote:
> Well of course memcpy work *better* versus writing a loop and doing
> it yourself.
> memcpy might even be optimized for your hardware too.
> Of course make sure you don't copy a few too many bytes, or bytes
> to the wrong place.
>
> There is also the ExernalAddress class, but I've not played with
> that, I guess you could make one of those
>
> On Mar 5, 2007, at 8:23 AM, Bert Freudenberg wrote:
>
>> On Mar 5, 2007, at 17:14 , Diman Todorov wrote:
>>
>>> Hello,
>>> I am currently struggling to return a string from a virtual
>>> machine primitive. The only example derived from
>>> SmarySyntaxInterpreterPlugin I was able to find in the Squeak
>>> sources is in the InternetConfigPlugin (in
>>> primitiveGetStringKeyedBy:). This Plugin instantiates a new
>>> string object and explicitly iterates over the string to copy it
>>> to squeak. Isn't there a more elegant way to return a string from
>>> a c function?
>>
>> You have to copy the data into a proper oop in Squeak's object
>> memory. What "more elegant way" to do that are you proposing? You
>> can write a helper function of course. But eventually it will have
>> to copy.
>>
>> - Bert -
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