> On Fri, Jul 12, 2019 at 04:20:06PM +0000, Van Haaren, Harry wrote: > > > The sizeof operator is unique among C operators in that it accepts two > > > very different kinds of operands: an expression or a type. In general, > > > prefer to specify an expression, e.g. int *x = xmalloc(sizeof *x);. > When > > > the operand of sizeof is an expression, there is no need to > parenthesize > > > that operand, and please don't. > > > > Hmmm, I get compile failures here with "sizeof uint64_t" instead of > "sizeof(uint64_t)". > > There's also some ambiguity possible, see here: > https://stackoverflow.com/a/26702432 > > > > In short, I've left the sizeof() with brackets, as code that compiles > wins in the end. > > uint64_t is an example of a type rather than an expression. With a > type, the parentheses are required.
Ah, thanks for clarifying Ben/Ilya. Regards Ian _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
