Diego Novillo <[EMAIL PROTECTED]> writes: | On Saturday 12 November 2005 12:05, Per Bothner wrote: | > A "function-never-returns-null" attribute doesn't seem like | > the right mechanism. Instead, there should be a "never-null" | > attribute on pointer types. A "function-never-returns-null" is | > just a function whose return-type has the "never-null" attribute. | > | I disagree. We would have to prove that every possible instance of this | type is non-NULL.
No, you don't have to. Just in the same way you don't have to prove that a function with "function-never-returns-null" attributes never returns null. -- Gaby