Warn if another typedef'd name of a type is used in an argument list

Question

Consider a large project, where many types are typedef\'d, e.g.

typedef int age;
typedef int height;

and some functions gettin

Answer 1

As has been made clear by the other responses, you're not going to get this for free from gcc. You are definitely into the world of static analysis tools to solve this.

There have been several suggestions for this, some of which require extra annotation, some of which don't but may be more than you're looking for. I therefore thought I'd throw one more into the mix...

A long stand by for me has been the various command line lint tools. In your case, I think PC-lint/flexelint fits very well even though it is a commercial tool. See here for its strong type checking.