Messages in this thread | | | Date | Wed, 27 Jan 2010 13:30:20 +0100 (CET) | From | Julia Lawall <> | Subject | Re: bug list: assigning negative values to unsigned variables |
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On Wed, 27 Jan 2010, Bernd Petrovitsch wrote:
> On Mit, 2010-01-27 at 11:57 +0100, Julia Lawall wrote: > > On Wed, 27 Jan 2010, Dan Carpenter wrote: > > > > > Fixing the places which assign negative values to unsigned variables is a good janitor task. > > > > I had the impression that assignment to -1 was done sometimes as a > > portable way to initialize the variable to 0xffff (for any number of f's). > > So perhaps it is not so trivial to fix. > Any particular reason that ~0U, ~0UL, and ~0ULL shouldn't do the same > (without relying on conversion from signed to unsigned)?
Then the constant specifies the type?
julia
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