On 23/03/2022 17:31, Martin Sebor via Gcc-patches wrote:
The concern is that the constraints implied by atttributes access and
nonnull are independent of each other. I would suggest to document
that without talking about dereferencing because that's not implied
by either of them. E.g., something like this (feel free to tweak it
as you see fit):
Note that the @code{access} attribute doesn't imply the same
constraint as attribute @code{nonnull} (@pxref{Attribute nonnull}).
The latter attribute should be used to annotate arguments that must
never be null, regardless of the value of the size argument.
I would not give an advice on using the nonnull attribute here. This
attribute could have pretty dangerous effects in the function definition
(removal of null pointer checks).
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