Renaud De Landtsheer wrote:
I am interfacing a data structure library to OZ.
The library is written in C.
Many functions of the library return "a pointer to something".
I want my OZ code to store a "pointer to" the structures stored within
the library.
To what kind of OZ value can I transform a C pointer?
* Integers are implementation-dependent in OZ. Can a pointer always
fit into a MOZART integer?
* atoms are never garbage-collected and there might be a lot of
different pointers in the application (memory consumption is an issue)
*strings, maybe?
Note that
* I do not want to convert the complete data structure manipulated by
the library into OZ structures.
* I am aware of the "garbage collect" issues, but this is not the
topic of this mail.
Thank you!
--
Renaud De Landtsheer
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mozart.h defines the functions:
OZ_Term OZ_makeForeignPointer(void*)
void* OZ_getForeignPointer(OZ_Term)
int OZ_isForeignPointer(OZ_Term)
which allows to encapsulate a C pointer in an Oz value.
The only thing that can be done with this kind of value in Oz is to pass
it to another C function.
Yves
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