Date: Wed, 26 Jan 2005 02:40:33 +0200 From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: Steven Smith <sos22@cantab.net> Cc: sos22@srcf.ucam.org Subject: Re: Dubious #define in include/pwd.h Message-ID: <20050126004033.GA2640@gothmog.gr> In-Reply-To: <20050125214606.GB1113@archibold>
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On 2005-01-25 21:46, Steven Smith <sos22@cantab.net> wrote: > I was messing around with sparse, the static checker used sometimes > by Linux kernel people, and I (or rather, it) came upon the line > > #define _PW_VERSION_MASK '0xF0' > > in /usr/src/include/pwd.h. I can't immediately see any use for this; > '\xf0' would probably be more useful. If this is used as a mask for 'unsigned char' values, why would it make any difference? Aren't they both going to be implicitly converted to the right typep anyway?home | help
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