[IGSTK-Developers] Open Source Quality Improving, But Development Assumptions Need Revising

Luis Ibanez luis.ibanez at kitware.com
Sat May 24 09:43:03 EDT 2008


Hi Patrick,

Thanks for posting this report.

It is extremly interesting.

BTW, the link to that actual report is the following:
http://scan.coverity.com/report/Coverity_White_Paper-Scan_Open_Source_Report_2008.pdf


     Thanks


         Luis


--------------------
Patrick Cheng wrote:
> Some interesting reading:
> 
> "Open Source Software Continually Improving According to Research from 
> Coverity Joint Venture with U.S. Department of Homeland Security"
> http://www.coverity.com/html/press_story58_05_20_08.html
> 
> Link to the Open Source Report 2008:
> http://scan.coverity.com/report/Scan-Report2008-Release.pdf
> 
> One interesting finding regarding average project function length and 
> static analysis defect density:
> "...Likewise, it used to be considered wise to break down a single, 
> complex function in a program into smaller functions, letting each solve 
> a piece of the problem. After inspecting functions that ranged from just 
> 14 lines to those up to 345 lines in length, Maxwell says, "long 
> functions don't have more defects." He suspects that breaking down a 
> coherent, long function tends to complicate matters and "increase the 
> amount of indirection" contained in a program, making it harder to keep 
> defect free. So longer functions may become more acceptable, he 
> said...." -- cited from 
> http://www.informationweek.com/news/software/open_source/showArticle.jhtml?articleID=207801458 
> 
> 
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