On Tue, 1 Oct 2002, Ingo Molnar wrote:
| i dont think i've encountered much kernel code that tried to pass
| structures along by value without a good reason - OTOH complex and
| inefficient function interfaces outweigh these instances, by far. And
| there's way too much code that has two screens full of local variable
| declarations, where in the middle a 3K big array gets easily lost to the
| eye. struct pre and postfix does not help much there.
Sounds like a good reason to have a gcc flag, or more likely a
Stanford checker or smatch checker for structs (or large typedefs :)
as return values.
| And structure pointers are almost as simple to pass around and handle as
| the basic types declared on the stack - and that is their main use. Ease
| of understanding is i think by far the most important aspect of source
| code - abuse and mistaken use of constructs is always possible, no matter
| how long the name is.
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