Messages in this thread | | | Date | Wed, 24 Nov 2004 00:19:44 +0100 (CET) | From | Jesper Juhl <> | Subject | Re: [PATCH] Remove pointless <0 comparison for unsigned variable in fs/fcntl.c |
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On Tue, 23 Nov 2004, Timur Tabi wrote:
> Jesper Juhl wrote: > > > if pid_t is 16 bit, then the value can never be greater than 0xffff but, if > > pid_t is greater than 16 bit, say 32 bit, then the argument "a" could very > > well contain a value greater than 0xffff and then the comparison makes > > perfect sense. > > If pid_t is 32-bit, then what's wrong with the value being greater than > 0xFFFF? After all, if pid_t a 32-bit number, that implies that 32-bit values > are acceptable. > My understanding of it is that it was just an example of how code that generated warnings about limited range of datatype could actually be perfectly fine.
-- Jesper Juhl
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