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Re: VS2015

From raltbos@xs4all.nl (Richard Bos)
Newsgroups comp.lang.c
Subject Re: VS2015
Date 2015-06-20 09:16 +0000
Organization Go wash your mouth.
Message-ID <55852ef4.2374218@news.xs4all.nl> (permalink)
References <f7d2d395-4619-418b-8bdb-a38c322321eb@googlegroups.com><mvb3oal715qbbo0vfccpjjt391soglm01s@4ax.com><lnwpz2jjll.fsf@nuthaus.mib.org><5581BDAF.1090903@verizon.net> <20150617204429.6c71ddcc@maxa-pc> <mlso4c$fhr$1@dont-email.me> <mm0bps$j30$1@dont-email.me> <121604f6-4ce2-420b-9d39-0c3275f2ebbe@googlegroups.com>

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Paul N <gw7rib@aol.com> wrote:

> Mind you, only this week I was using GetWindowLongPtr and I thought to myse=
> lf that only Microsoft would make a compiler where you can get rid of a war=
> ning by casting the result of a function call to the type the funtion retur=
> ns. GetWindowLongPtr returns a LONG_PTR (according to MSDN) but VC++ compla=
> ins about
> 
> ppp =3D (int *) GetWindowLongPtr(hWnd, GWL_STYLE);
> 
> (converting to a greater size)
> 
> while allowing
> 
> ppp =3D (int *) (LONG_PTR) GetWindowLongPtr(hWnd, GWL_STYLE);
> 
> with no warning. Of course, one might expect GetWindowLongPtr to return an =
> actual pointer...

Now, it wouldn't be out of character for Mickey$oft to demand that you
pervert your code like that, but a thought _does_ occur...

Are you sure you #included the relevant header? This sounds as if the
compiler thinks GetWindowLongPtr() _doesn't_ return a LONG_PTR.

Richard

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VS2015 esamiira@gmail.com - 2015-06-17 09:50 -0700
  Re: VS2015 Barry Schwarz <schwarzb@dqel.com> - 2015-06-17 10:36 -0700
    Re: VS2015 Keith Thompson <kst-u@mib.org> - 2015-06-17 11:05 -0700
      Re: VS2015 James Kuyper <jameskuyper@verizon.net> - 2015-06-17 14:34 -0400
        Re: VS2015 Melzzzzz <mel@zzzzz.com> - 2015-06-17 20:44 +0200
          Re: VS2015 "Charles Richmond" <numerist@aquaporin4.com> - 2015-06-17 16:18 -0500
            Re: VS2015 jacobnavia <jacob@jacob.remcomp.fr> - 2015-06-19 08:12 +0200
              Re: VS2015 Paul N <gw7rib@aol.com> - 2015-06-19 07:39 -0700
                Re: VS2015 jacobnavia <jacob@jacob.remcomp.fr> - 2015-06-19 17:59 +0200
                Re: VS2015 raltbos@xs4all.nl (Richard Bos) - 2015-06-20 09:16 +0000
  Re: VS2015 Richard Heathfield <rjh@cpax.org.uk> - 2015-06-17 19:07 +0100

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