Date: Mon, 2 Feb 2009 22:03:45 +0100 From: Luigi Rizzo <rizzo@iet.unipi.it> To: Christoph Mallon <christoph.mallon@gmx.de> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: write-only variables in src/sys/ - possible bugs Message-ID: <20090202210345.GD20288@onelab2.iet.unipi.it> In-Reply-To: <49874CA8.5090605@gmx.de> References: <49874CA8.5090605@gmx.de>
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On Mon, Feb 02, 2009 at 08:42:32PM +0100, Christoph Mallon wrote: > Hi, > > I compiled a list of all local variables in src/sys/ (r188000), which > are only written to, but never read. This is more than the GCC warning, interesting list, thanks. Also, 700 entries is not a bad result considering the size of the codebase and the age of parts of it (i am pretty sure there is a lot of code 15+ years old which received little if any mainteinance or use in the past decade). (and i have nothing against old code except that compilers, coding practices and the amount of peer review have improved a lot over time, and so -- with some exceptions -- it is easier to prevent some of these issues with more recent code). cheers luigi
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