static VALUE
function_call(int argc, VALUE argv[], VALUE self)
{
ffi_cif * cif;
fiddle_generic retval;
fiddle_generic *generic_args;
void **values;
VALUE cfunc, types, cPointer;
int i;
cfunc = rb_iv_get(self, "@ptr");
types = rb_iv_get(self, "@args");
cPointer = rb_const_get(mFiddle, rb_intern("Pointer"));
if(argc != RARRAY_LENINT(types)) {
rb_raise(rb_eArgError, "wrong number of arguments (%d for %d)",
argc, RARRAY_LENINT(types));
}
TypedData_Get_Struct(self, ffi_cif, &function_data_type, cif);
values = xcalloc((size_t)argc + 1, (size_t)sizeof(void *));
generic_args = xcalloc((size_t)argc, (size_t)sizeof(fiddle_generic));
for (i = 0; i < argc; i++) {
VALUE type = RARRAY_PTR(types)[i];
VALUE src = argv[i];
if(NUM2INT(type) == TYPE_VOIDP) {
if(NIL_P(src)) {
src = INT2NUM(0);
} else if(cPointer != CLASS_OF(src)) {
src = rb_funcall(cPointer, rb_intern("[]"), 1, src);
}
src = rb_Integer(src);
}
VALUE2GENERIC(NUM2INT(type), src, &generic_args[i]);
values[i] = (void *)&generic_args[i];
}
values[argc] = NULL;
ffi_call(cif, NUM2PTR(rb_Integer(cfunc)), &retval, values);
rb_funcall(mFiddle, rb_intern("last_error="), 1, INT2NUM(errno));
#if defined(HAVE_WINDOWS_H)
rb_funcall(mFiddle, rb_intern("win32_last_error="), 1, INT2NUM(errno));
#endif
xfree(values);
xfree(generic_args);
return GENERIC2VALUE(rb_iv_get(self, "@return_type"), retval);
}
static VALUE
function_call(int argc, VALUE argv[], VALUE self)
{
struct nogvl_ffi_call_args args = { 0 };
fiddle_generic *generic_args;
VALUE cfunc, types, cPointer;
int i;
VALUE alloc_buffer = 0;
cfunc = rb_iv_get(self, "@ptr");
types = rb_iv_get(self, "@args");
cPointer = rb_const_get(mFiddle, rb_intern("Pointer"));
Check_Max_Args("number of arguments", argc);
if (argc != (i = RARRAY_LENINT(types))) {
rb_error_arity(argc, i, i);
}
TypedData_Get_Struct(self, ffi_cif, &function_data_type, args.cif);
if (rb_safe_level() >= 1) {
for (i = 0; i < argc; i++) {
VALUE src = argv[i];
if (OBJ_TAINTED(src)) {
rb_raise(rb_eSecurityError, "tainted parameter not allowed");
}
}
}
generic_args = ALLOCV(alloc_buffer,
(size_t)(argc + 1) * sizeof(void *) + (size_t)argc * sizeof(fiddle_generic));
args.values = (void **)((char *)generic_args +
(size_t)argc * sizeof(fiddle_generic));
for (i = 0; i < argc; i++) {
VALUE type = RARRAY_AREF(types, i);
VALUE src = argv[i];
int argtype = FIX2INT(type);
if (argtype == TYPE_VOIDP) {
if(NIL_P(src)) {
src = INT2FIX(0);
} else if(cPointer != CLASS_OF(src)) {
src = rb_funcall(cPointer, rb_intern("[]"), 1, src);
}
src = rb_Integer(src);
}
VALUE2GENERIC(argtype, src, &generic_args[i]);
args.values[i] = (void *)&generic_args[i];
}
args.values[argc] = NULL;
args.fn = NUM2PTR(cfunc);
(void)rb_thread_call_without_gvl(nogvl_ffi_call, &args, 0, 0);
rb_funcall(mFiddle, rb_intern("last_error="), 1, INT2NUM(errno));
#if defined(_WIN32)
rb_funcall(mFiddle, rb_intern("win32_last_error="), 1, INT2NUM(errno));
#endif
ALLOCV_END(alloc_buffer);
return GENERIC2VALUE(rb_iv_get(self, "@return_type"), args.retval);
}