> Thanks to Jürgen and Martin's assistance And yours of course. This is some great stabilization to the product.
- Natahn On Wed Feb 11 2015 at 9:13:32 PM Nyall Dawson <[email protected]> wrote: > Hi all, > > If you've been following recent git commits, you'll have noticed a lot > of "Coverity" related commits, and may be wondering what these are all > about. > > Coverity Scan ( https://scan.coverity.com/ ) is a powerful automated > static code analyser which is able to detect a large number of code > errors, such as memory leaks and potential crashes, and even things > like accidental copy/paste errors. It's a well respected service and > fortunately offers free testing of open source projects (it's quite > expensive for commercial software). > > When we first ran Coverity over the QGIS codebase about 2 weeks ago it > picked up just over 1000 potential issues, with a defect density of > about 1 error per 1000 lines of code. Apparently the standard for > "good" software is a defect density of 1. For comparison, python sits > at 0.08, and the Linux kernel at 0.53. Libreoffice's latest release > hit 0.02, and they used this as a big highlight of their press release > [1]. > > Thanks to Jürgen and Martin's assistance we're now down to a defect > density of 0.26. I'm hoping that with a bit more work we can smash > this down even further and possibly even reach the coveted "Coverity > Clean" status [2] for 2.8. In any case this is a great demonstration > that we are serious about code quality and stable releases, and is a > good selling point for our first LTS release (alongside the expanding > test suite and Travis CI testing). > > Unfortunately we can't automate submission to Coverity via Travis > builds due to the compilation time required to build QGIS using > Coverity exceeding Travis' limits, so I'm currently manually > submitting builds to Coverity on a semi-regular schedule. > > The full Coverity defect reports are available by invitation only. If > you're a developer and want to view them, let me know and I'll add you > to the group. > > Nyall > > > [1] http://blog.documentfoundation.org/2015/01/29/libreoffice-4-4-the- > most-beautiful-libreoffice-ever/ > [2] Why is this important? well... I really want to beat MapInfo > there! http://www.pb.com/pbs-voc/product-improvements.shtml > _______________________________________________ > Qgis-developer mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-developer
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