On Wed, May 25, 2022 at 04:01:21PM +0300, Sakari Ailus wrote: > Unify functions reading ACPI property integer values into a single macro > using C99 _Generic(). > > Also use size_t for the counter instead of int. Thanks for an update! ... > +#define acpi_copy_property_array_uint(items, val, nval) \ > + ({ \ You can define local copies of (read-only) parameters and avoid adding parentheses each time you access them. > + size_t i; \ > + int ret = 0; \ > + \ > + for (i = 0; i < (nval); i++) { \ > + if ((items)[i].type != ACPI_TYPE_INTEGER) { \ > + ret = -EPROTO; \ > + break; \ > + } \ > + if ((items)[i].integer.value > _Generic((val), \ > + u8: U8_MAX, \ > + u16: U16_MAX, \ > + u32: U32_MAX, \ > + u64: U64_MAX, \ > + default: 0U)) { \ I think nobody will die if you add one more TAB to each line and make \ be consistent column wise. > + ret = -EOVERFLOW; \ > + break; \ > + } \ > + \ > + (val)[i] = (items)[i].integer.value; \ > + } \ > + ret; \ > + }) -- With Best Regards, Andy Shevchenko