[cfe-dev] Static analyzer

Nico Weber nicolasweber at gmx.de
Mon Jul 7 13:38:13 PDT 2008


>> 1. It would be very useful to me if the file name of the reports  
>> could
>> include the (beginning of) the original file name. When I'm looking  
>> at
>> the reports in Safari, I could then simply look at the URL bar to see
>> which file the current report is for.
> Today I committed a patch that puts the name of the file with the  
> bug in the title of the report page:
>  http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20080707/006407.html
> This patch should now be available in checker-58 (for those using  
> the prebuilt binaries for Mac OS X).
> We can also potentially include a fragment of the original source  
> file name in the name of the report-XXX.html file as well.  I'm not  
> certain if that is necessary given the patch I mentioned.  What do  
> you think?  I'm fine with making the change if you feel it would  
> make the tool easier to use.

that change is sufficient in my eyes. Thanks :-)

>> 2. The project I'm checking contains several sections that look like
>> this:
>>    const void *bytes = [data bytes];
>>    int rows = *((int*)bytes); bytes += sizeof(int);
>> scan_build complains in these cases that "Value stored to 'bytes' is
>> never read".
> I mocked up a test case, but I couldn't really reproduce this  
> error.  If it is no trouble, can you file a Bugzilla report with a  
> reduced test case that exhibits the problem?  Filing a Bugzilla  
> report also ensures that a fix eventually goes in, as requests for  
> changes have started queuing up and I don't want to forget this one.

Done: http://llvm.org/bugs/show_bug.cgi?id=2528


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