Prevent excessive clipping in SysListView32
Ulrich Weigand
weigand at immd1.informatik.uni-erlangen.de
Thu Jul 26 16:24:31 CDT 2001
Uwe Bonnes wrote:
> >>>>> "Medland," == Medland, Bill <Bill.Medland at accpac.com> writes:
>
> Medland,> I am not very comfortable with this one but strange as it may
> Medland,> seem it solves the problem. I'd love to know why.
> Medland,> <<diff13.txt>> Bill Medland (medbi01 at accpac.com) Prevents
> Medland,> excessive clipping in SysListView32.
>
> Medland,>
> Medland,>-static inline int perfect_graphics(void)
> Medland,>+static int perfect_graphics(void)
> Medland,> {
> Medland,> static int perfect = -1;
> Medland,> if (perfect == -1)
> Medland,>
>
> Some C-Expert is requested here, but I suspect that in the old function the
> variable "perfect" was created in every instantiation of the
> "perfect_graphics" inlined function. Could you perhaps try to declare the
> "perfect" outside the inlined function, like
>
> static int perfect = -1;
> static inline int perfect_graphics(void)
No, 'inline' must not change the semantics of the routine in any way,
including static variables.
If the app behaves differently when 'perfect_graphics' is inlined, this
is a compiler bug. Which compiler version are you using?
Bye,
Ulrich
--
Dr. Ulrich Weigand
weigand at informatik.uni-erlangen.de
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