static VALUE
variadic_initialize(VALUE self, VALUE rbFunction, VALUE rbParameterTypes, VALUE rbReturnType, VALUE options)
{
VariadicInvoker* invoker = NULL;
VALUE retval = Qnil;
VALUE convention = Qnil;
VALUE fixed = Qnil;
VALUE rbConventionStr;
int i;
Check_Type(options, T_HASH);
convention = rb_hash_aref(options, ID2SYM(rb_intern("convention")));
Data_Get_Struct(self, VariadicInvoker, invoker);
invoker->rbEnums = rb_hash_aref(options, ID2SYM(rb_intern("enums")));
invoker->rbAddress = rbFunction;
invoker->function = rbffi_AbstractMemory_Cast(rbFunction, rbffi_PointerClass)->address;
#if defined(_WIN32) || defined(__WIN32__)
rbConventionStr = rb_funcall2(convention, rb_intern("to_s"), 0, NULL);
invoker->abi = (RTEST(convention) && strcmp(StringValueCStr(rbConventionStr), "stdcall") == 0)
? FFI_STDCALL : FFI_DEFAULT_ABI;
#else
invoker->abi = FFI_DEFAULT_ABI;
#endif
invoker->rbReturnType = rbffi_Type_Lookup(rbReturnType);
if (!RTEST(invoker->rbReturnType)) {
VALUE typeName = rb_funcall2(rbReturnType, rb_intern("inspect"), 0, NULL);
rb_raise(rb_eTypeError, "Invalid return type (%s)", RSTRING_PTR(typeName));
}
Data_Get_Struct(rbReturnType, Type, invoker->returnType);
invoker->paramCount = -1;
fixed = rb_ary_new2(RARRAY_LEN(rbParameterTypes) - 1);
for (i = 0; i < RARRAY_LEN(rbParameterTypes); ++i) {
VALUE entry = rb_ary_entry(rbParameterTypes, i);
VALUE rbType = rbffi_Type_Lookup(entry);
Type* type;
if (!RTEST(rbType)) {
VALUE typeName = rb_funcall2(entry, rb_intern("inspect"), 0, NULL);
rb_raise(rb_eTypeError, "Invalid parameter type (%s)", RSTRING_PTR(typeName));
}
Data_Get_Struct(rbType, Type, type);
if (type->nativeType != NATIVE_VARARGS) {
rb_ary_push(fixed, entry);
}
}
/*
* @fixed and @type_map are used by the parameter mangling ruby code
*/
rb_iv_set(self, "@fixed", fixed);
rb_iv_set(self, "@type_map", rb_hash_aref(options, ID2SYM(rb_intern("type_map"))));
return retval;
}
static VALUE
memory_copy_from(VALUE self, VALUE rbsrc, VALUE rblen)
{
AbstractMemory* dst;
Data_Get_Struct(self, AbstractMemory, dst);
memcpy(dst->address, rbffi_AbstractMemory_Cast(rbsrc, rbffi_AbstractMemoryClass)->address, NUM2INT(rblen));
return self;
}