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Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings!

From Richard Harnden <richard.nospam@gmail.invalid>
Newsgroups comp.lang.c, comp.os.ms-windows.programmer.win32
Subject Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings!
Date 2026-08-11 20:16 +0100
Organization A noiseless patient Spider
Message-ID <115fseb$8ioh$1@dont-email.me> (permalink)
References <smNdS.557$7WX8.434@fx08.ams4> <115flfs$63aq$1@raubtier-asyl.eternal-september.org>

Cross-posted to 2 groups.

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On 11/08/2026 18:17, Bonita Montero wrote:
> Am 08.08.2026 um 23:39 schrieb Johann 'Myrkraverk' Oskarsson:
>> Dear comp.lang.c, comp.os.ms-windows.programmer.win32,
>> and perhaps other groups that may make use of this information, but I
>> don't know about.
>> When you want to use == to compare strings such as "a", with "b" because
>> all your strings are constants, ...
> When do you compare the address of string literals ? 

When they've all come via a hash.

I guess that's
> very rare. Today's compilers / linkers not only join string-literals
> on the same address when they're the same but any static data (comdat
> folding). The potential for mistakes with that seems very little for
> me.

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Thread

Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-08-09 05:39 +0800
  Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! legalize+jeeves@mail.xmission.com (Richard) - 2026-08-10 15:51 +0000
    Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-08-10 15:33 -0700
      Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! R Kym Horsell <kym@sdf.org> - 2026-08-11 04:02 +0000
        Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! David Brown <david.brown@hesbynett.no> - 2026-08-11 08:34 +0200
          Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-08-11 00:12 -0700
            Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! cross@spitfire.i.gajendra.net (Dan Cross) - 2026-08-11 13:50 +0000
          Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-08-11 16:32 +0200
            Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! Anton Antimo <anton@safunu.org> - 2026-08-11 13:24 -0300
          Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-11 17:13 +0000
        Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! legalize+jeeves@mail.xmission.com (Richard) - 2026-08-11 15:10 +0000
          Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-08-11 14:30 -0700
            Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! legalize+jeeves@mail.xmission.com (Richard) - 2026-08-13 14:09 +0000
              Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-08-13 14:39 -0700
                Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-08-13 14:41 -0700
  Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! Bonita Montero <Bonita.Montero@gmail.com> - 2026-08-11 19:17 +0200
    Re: Public Service Announcement: Please use /GF with Visual Studio when you want to collapse constant strings! Richard Harnden <richard.nospam@gmail.invalid> - 2026-08-11 20:16 +0100

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