On 26 May 2015 17:30, "Prasanna Kalever" <pkalever@xxxxxxxxxx> wrote:
>
> Hi gluster team,
>
> Proposal:
>
> Using Clang static analyzer tool for gluster project
>
>
> About Clang:
>
> From a very high level view, Clang has two features
>
> 1. Clang as a compiler
> 2. Clang as a code analyzer
>
> The Idea hear is to use second point i.e Clang as code analyzer and still gcc
> will be our default compiler.
>
> The Clang Static Analyzer is a source code analysis tool that finds bugs in C,
> C++, and Objective-C programs. Given the exact same code base, clang-analyzer
> reported ~70 potential issues. clang is an awesome and free tool.
>
> The reports from clang-analyzer are in HTML and there's a single file for each
> issue and it generates a nice looking source code with embedded comments about
> which flow that was followed all the way down to the problem.
>
>
> Why Clang-Analyzer: (Advantages)
>
> 1. Since its is an open source tool:
>
> * Available to all the developers
> * Easy Access, we can run the tool while we compile the code (say $ scan-build make)
> * No restrictions on Number of Runs per week/day/hour/min ..
> * Defects are Identified before submitting a patch, thus very less chance of
> defect injection into project
>
> 2. The Html view of clang is very impressive with all the source code including
> comments of clang-analyzer, which lead to defect line number directly .
>
>
>
> I have attached a sample clang results for geo-replication module run on latest
> 3.7+ glusterfs code, please find them above.
>
>
> Thanks for your time.
On a relative note, I feel we should try to integrate any of these static analyzer as part of our checkpatch.pl and compare the pre and post report and proceed if the change doesn't introduce any new defects. Thoughts?
>
>
> Best Regards,
> Prasanna Kumar K.
>
>
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