]> Brian Naylor <bwv211mail@yahoo.com> writes: > I am trying to use CamlIDL for a C function like the following: > > int foo (unsigned char [16]); > > If I write my CamlIDL file like this: > > int foo ([in,string] unsigned char s [16]); > > The code does a check like this: > > if (string_length(_v_s) >= 16) invalid argument("foo"); > > The problem is that this is NOT a null-terminated string - it is exactly 16 > bytes of data. You have two options here: 1. Don't use "string" attribute and pass OCaml character array (not string) to your function or 2. Declare it as int foo ([string] unsigned char s[17]); As C arrays are passed by the pointer, your C function will never know that the trailing '\0' is there. Dmitry Bely ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners