Open source code crawling with fewer bugs

The quality of open source code has improved over the last two years, according to an audit sponsored by the US Department of Homeland Security.

The security and quality of more than 250 open source projects - including Apache, Linux, Firefox and PHP - was assessed using code analysis tools from Coverity as part of the federal government's Open Source Hardening Project. Coverity set up a scan site that invited individual developers to put their code through its paces with its static source code analysis tool, Coverity Prevent.

The same approach was used to analyse 250 popular open source projects, containing more than 55 million lines of code, on a regular basis. This analysis revealed a 16 per cent reduction in "static analysis defect density" across popular projects over the last two years, reflecting the discovery of 8,500 individual defects. The site divides open source projects into rungs on a ladder based on how far each project gets in fixing bugs.

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