On Sunday, 10 August 2014 at 15:37:41 UTC, seany wrote:
On Sunday, 10 August 2014 at 15:34:30 UTC, ketmar via
Digitalmars-d-learn wrote:
from D side -- yes. just don't store passed pointer on C side,
'cause
it can be changed on array resize.
Excellent,
So if I have
int [] array;
void * ptr_to_array = &array;
Don't do that. `&array` is not the same as `array.ptr`. Use
`array.ptr`. `&array` would be a pointer to the local variable
`array`.
/* populate array here */
C_Function(ptr_to_array);
/* repopulate array here, the pointer itself may change, but
the variable ptr_to_array will be updated accordingly */
C_Function(ptr_to_array);
I am okey?
I'm not sure if you got that right: ptr_to_array will not be
updated automatically. You have to do that yourself.
Also, if C_Function has only one parameter which is a pointer,
make sure the array has the proper length, or that is has a
proper terminator element (char* arguments must usually be
zero-terminated).
