kicad-developers team mailing list archive

[Brian Sidebotham <brian.sidebotham@xxxxxxxxx>]

On 17 June 2013 11:59, Dick Hollenbeck <dick@xxxxxxxxxxx> wrote:

>
> On Jun 17, 2013 5:02 AM, "Milan Horák" <stranger@xxxxxxxxxx> wrote:
> >
> > Hello,
> >
> > I am getting:
> >
> > g++ -Wall -O2 -I /g/boost_1_53_0 test_polygon_diff.cpp
> >
> > test_polygon_diff.cpp: In function ‘void dumpPolySet(const
> KI_POLYGON_SET&)’:
> > test_polygon_diff.cpp:84:60: warning: format ‘%d’ expects argument of
> type ‘int’, but argument 2 has type
> ‘std::vector<boost::polygon::polygon_data<int> >::size_type {aka long
> unsigned int}’ [-Wformat]
> > test_polygon_diff.cpp:88:71: warning: format ‘%d’ expects argument of
> type ‘int’, but argument 3 has type ‘std::size_t {aka long unsigned int}’
> [-Wformat]
> >
> > Am I doing something wrong?
>
> No.
>
> size_t is 64 bits on a 64 bit platform while int on that same platform is
> 32 bits even though it's a 64 bit program.
>
> This is why I don't use size_t by choice.  But for function return values
> like this %zd works well.
>
> The z modifier is designed for use with size_t.
>
>
> Ah nice, I didn't know about the %z formatter.

Best Regards, Brian.