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)
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
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.
Best Regards,
Prasanna Kumar K.
Attachment:
scan-build-geo-repln.tar.bz2
Description: application/bzip-compressed-tar
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