On 2009-12-31, at 00:30, Guillaume Yziquel wrote:

>> #include <stdio.h>
>> #include <caml/mlvalues.h>
>> #include "../mylib/mylib.h"
>> CAMLprim value
>> my_print_stub(value v) {
>
>      CAMLparam1(v);  /* is missing here, for garbage
>                         collection purposes. */
>
>>    char* str = (char*)String_val( v );
>
>      /* You do not need the right-hand side (char*) casting. */
>
>>    my_print( str );
>>    return Val_unit;
>> }

If you use CAMLparam1, you must use CAMLreturn instead of return.

-- Damien