On Dec 17, 2007, at 7:19 AM, Holger Schurig wrote:
> I'm not subscribed to clang mailing list, so not sure if my mail
> comes throught. I'm reading the list via gmane.
>
>
> I guess utilizing gcc __attribute__((format(...))) would help
> here. You could put that at the log
>
>
> int logmessage(
> int loglevel,
> char const *fmt __attribute__ (format (printf, 2, 3))),
> ...) {
> // more code
> }
>
> That way the compiler knows that fmt *IS* a format string and
> won't need to warn when it is used in vprintf().
>
> Code that calls logmessage() would know that fmt is a printf-like
> format string and can check calls to logmessage. This attribute
> would even help in the case of call-backs.
I like this solution. I think this would catch 90% of the correct
cases, while suppressing most bogus messages.
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