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); }