aaron.ballman added a comment.

In https://reviews.llvm.org/D33304#758808, @alexfh wrote:

> In https://reviews.llvm.org/D33304#758713, @aaron.ballman wrote:
>
> > In https://reviews.llvm.org/D33304#758624, @srhines wrote:
> >
> > > In https://reviews.llvm.org/D33304#758621, @joerg wrote:
> > >
> > > > I find the use of "must" at the very least inappropriate. If there was 
> > > > no use case for not including it, it wouldn't be an option. There is 
> > > > also nothing really Android-specific here beside maybe the open64 mess.
> > >
> > >
> > > On Android, we are requiring this flag. That is why this is part of a new 
> > > category of Android-specific tidy rules. If you think this belongs more 
> > > generally in a different category for tidy, can you suggest somewhere 
> > > else to put it? We didn't want to impose these restrictions for platforms 
> > > that might not want to be so strict. Also, as with any static analysis, 
> > > there is the possibility that the original code author intended to 
> > > "break" the rules, but that is what NOLINT is for.
> >
> >
> > I'm not keen on putting this in an Android module either, as it's not 
> > really Android-specific behavior. For instance, this is also part of a 
> > recommended compliant solution for CERT FIO22-C.
>
>
> I think AOSP has enough specific guidelines and requirements to warrant a 
> separate module (especially, if Android folks have plans to contribute more 
> than one check into it ;). As for this check, if the relevant requirements of 
> CERT and Android are really identical, we could make an alias for the check 
> in the CERT module (or vice versa). Another possibility that comes to mind is 
> to create a new "posix" module specifically for things related to POSIX APIs 
> (or "unix", if we want it to be slightly broader). WDYT?


If there are plans to add more checks, then yes. However, I think I'd prefer to 
see at least 2-3 checks in the work (or have some commitment for doing at least 
that many checks) before we add a module for it. I mostly worry about adding a 
single check and then nothing else. (No matter what module name we're talking 
about, btw.) I'd be fine with android, posix, or unix, depending on the nature 
of the checks.

>> I think this should probably be in misc, or the bugprone module that @alexfh 
>> has mentioned previously.
> 
> I'm strongly against bloating "misc" module. It's more or less the last 
> resort, a place for checks we have found no better place for. The proposed 
> "bugprone" module is an attempt to address this by pulling out a large part 
> of "misc" to a place with more definite name and purpose. However, in the 
> case of this check we seem to have enough good (and more specific) 
> alternatives to default to "misc" or even "bugprone".

I was hesitant to suggest misc, but I was hoping to avoid adding a module with 
a single check under it and no commitment for further ones.


Repository:
  rL LLVM

https://reviews.llvm.org/D33304



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