Thanks for the answer.
My code looks like this, but I get nothing on return.
Am I missing something?
C++
> extern "C"
> {
> unsigned int const* convertStringToAscii(char* text)
> {
> std::string str(text);
> unsigned int* ptr = (unsigned int*)malloc(str.size());
>
> for (int i = 0; i < str.size(); i++)
> {
> ptr[i] = int(text[i]);
> }
>
> return ptr;
> }
> }
Javascript
> convertStringToAscii = module.cwrap('convertStringToAscii', 'string',
> ['array'])
> console.log(convertStringToAscii("test")) => return empty
El vie, 22 jul 2022 a las 2:02, J Decker (<[email protected]>) escribió:
> what you might get instead is returning a pointer to some array; which is
> an integer, then using that integer to get a uint8array from the U8HEAP
> variable, using the integer as the starting offset, and whatever length you
> expect...
>
> all pointers to the heap in C/C++ are really just offsets...
>
> On Thu, Jul 21, 2022 at 5:04 PM Lorenzo Portillo <[email protected]>
> wrote:
>
>> Someone has an example of how to implement a C++ function called from JS
>> with cwrap, whose return type is a Uint8Array?
>>
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