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Groups > comp.os.linux.advocacy > #347921

Re: How could defining a variable, and not using it, be a problem ?

Cross-posted to 4 groups.

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Chris Ahlstrom wrote:

> Peter Köhlmann wrote this copyrighted missive and expects royalties:
> 
>> It is *never* a good idea to use unreferenced variables, and I remove
>> them always instead of masking the warning
> 
> Unfortunately, many "programmers" suffer from a lack of the necessary
> attention to details.
> 

I never accept a compiler warning by just "ignoring" it. The compiler issues 
warnings for a reason, and I have to be absolutely certain that it is the 
compile which is wrong. It extremely rarely is. Most of the time there is 
some problem in the code. In may current project (nearly 200.000 lines of 
(real) source code (comments not counted) I have exactly one occurence of 
compiler warning (and then for the current linux GCC only, not for the 
windows one and also not for the OSX compiler) where I get a warning which 
could be ignored. Better is to simply rewrite the code in a fashion where 
the compiler does not warn, because it was ambiguish from the start

Since I compile my program for linux, windows and OSX (from the same source) 
I get different kinds of warnings, depending on environment. And I aspire to 
remove warnings for all of them, not just for the substandard windows 
compiler

It takes the Relf idiots of this world to assume that they know better

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I like taking cock up my ass "7" <idiot@enemygadgets.com> - 2016-03-27 01:51 +0100
  Re: I like taking cock up my ass Fabian Russell <fb@zen.info> - 2016-03-27 15:31 +0000
    Re: I like taking cock up my ass Takuya Saitoh <taka0038@gmail.com> - 2016-03-27 09:01 -0700
      Eternal-September  Motzarella  Aioe  Dizum  Albasani Jeff-Relf.Me <@.> - 2016-03-27 09:21 -0700
        Re: Eternal-September  Motzarella  Aioe  Dizum  Albasani Nobody <nobody@nowhere.net> - 2016-03-27 12:25 -0400
        Re: Eternal-September Motzarella Aioe Dizum Albasani DFS <nospam@dfs.com> - 2016-03-27 12:31 -0400
          Re: Eternal-September Motzarella Aioe Dizum Albasani Nobody <nobody@nowhere.net> - 2016-03-27 12:39 -0400
          Eternal-September Motzarella Aioe Dizum Albasani Jeff-Relf.Me <@.> - 2016-03-27 09:51 -0700
            Re: Eternal-September Motzarella Aioe Dizum Albasani DFS <nospam@dfs.com> - 2016-03-27 13:04 -0400
              Usenet, eMail, CraigsList, WikiPedia, etc. allow <PRE>. Jeff-Relf.Me <@.> - 2016-03-27 10:13 -0700
                Re: Usenet, eMail, CraigsList, WikiPedia, etc. allow <PRE>. vallor <vallor@cultnix.org> - 2016-03-27 18:50 +0000
                Re: Usenet, eMail, CraigsList, WikiPedia, etc. allow <PRE>. benj <none@gmail.com> - 2016-03-28 00:55 -0400
                Re: Usenet, eMail, CraigsList, WikiPedia, etc. allow <PRE>. jimp@specsol.spam.sux.com - 2016-03-28 05:57 +0000
        Re: Eternal-September  Motzarella  Aioe  Dizum  Albasani tlvp <mPiOsUcB.EtLlLvEp@att.net> - 2016-03-27 19:53 -0400
          Re: Eternal-September  Motzarella  Aioe  Dizum  Albasani chrisv <chrisv@nospam.invalid> - 2016-03-28 07:23 -0500
        Re: Eternal-September  Motzarella  Aioe  Dizum  Albasani Peter Köhlmann <peter-koehlmann@t-online.de> - 2016-03-28 01:59 +0200
          Re: Eternal-September  Motzarella  Aioe  Dizum  Albasani chrisv <chrisv@nospam.invalid> - 2016-03-28 07:44 -0500
            My code only does what _I_ want, not what "you" want. Jeff-Relf.Me <@.> - 2016-03-28 06:15 -0700
            My code only does what _I_ want, not what "you" want. Jeff-Relf.Me <@.> - 2016-03-28 06:17 -0700
              Re: My code only does what _I_ want, not what "you" want. owl <owl@rooftop.invalid> - 2016-03-28 19:33 +0000
              Re: My code only does what _I_ want, not what "you" want. Peter Köhlmann <peter-koehlmann@t-online.de> - 2016-03-28 23:41 +0200
                How could defining a variable, and not using it, be a problem ? Jeff-Relf.Me <@.> - 2016-03-28 14:52 -0700
                Re: How could defining a variable, and not using it, be a problem ? Somebody <somebody@nowhere.net> - 2016-03-28 18:01 -0400
                Re: How could defining a variable, and not using it, be a problem ? Peter Köhlmann <peter-koehlmann@t-online.de> - 2016-03-29 00:25 +0200
                Re: How could defining a variable, and not using it, be a problem ? Chris Ahlstrom <OFeem1987@teleworm.us> - 2016-03-28 18:30 -0400
                Re: How could defining a variable, and not using it, be a problem ? Peter Köhlmann <peter-koehlmann@t-online.de> - 2016-03-29 00:50 +0200
                Re: How could defining a variable, and not using it, be a problem ? Somebody <somebody@nowhere.net> - 2016-03-28 18:54 -0400
                Re: How could defining a variable, and not using it, be a problem ? Chris Ahlstrom <OFeem1987@teleworm.us> - 2016-03-28 21:11 -0400
                Re: How could defining a variable, and not using it, be a problem ? Peter Köhlmann <peter-koehlmann@t-online.de> - 2016-03-29 15:38 +0200
                Re: How could defining a variable, and not using it, be a problem ? DFS <nospam@dfs.com> - 2016-03-29 10:09 -0400
                Re: How could defining a variable, and not using it, be a problem ? Peter Köhlmann <peter-koehlmann@t-online.de> - 2016-03-29 19:54 +0200
                Re: How could defining a variable, and not using it, be a problem ? DFS <nospam@dfs.com> - 2016-03-29 14:51 -0400
                Re: How could defining a variable, and not using it, be a problem ? Peter Köhlmann <peter-koehlmann@t-online.de> - 2016-03-29 22:04 +0200
                Re: How could defining a variable, and not using it, be a problem ? owl <owl@rooftop.invalid> - 2016-03-29 20:30 +0000
                Re: How could defining a variable, and not using it, be a problem ? Snit <usenet@gallopinginsanity.com> - 2016-03-29 13:59 -0700
                Re: How could defining a variable, and not using it, be a problem ? Peter Köhlmann <peter-koehlmann@t-online.de> - 2016-03-29 23:57 +0200
                Re: How could defining a variable, and not using it, be a problem ? Snit <usenet@gallopinginsanity.com> - 2016-03-29 18:23 -0700
                Re: How could defining a variable, and not using it, be a problem ? chrisv <chrisv@nospam.invalid> - 2016-03-29 16:50 -0500
                Re: How could defining a variable, and not using it, be a problem ? DFS <nospam@dfs.com> - 2016-03-29 19:23 -0400
                Re: How could defining a variable, and not using it, be a problem ? owl <owl@rooftop.invalid> - 2016-03-30 00:42 +0000
                Re: How could defining a variable, and not using it, be a problem ? DFS <nospam@dfs.com> - 2016-03-30 10:52 -0400
                Re: How could defining a variable, and not using it, be a problem ? owl <owl@rooftop.invalid> - 2016-03-30 16:26 +0000
                Re: How could defining a variable, and not using it, be a problem ? Chris Ahlstrom <OFeem1987@teleworm.us> - 2016-03-29 20:38 -0400
                Re: How could defining a variable, and not using it, be a problem ? chrisv <chrisv@nospam.invalid> - 2016-03-30 06:59 -0500
                Re: How could defining a variable, and not using it, be a problem ? Chris Ahlstrom <OFeem1987@teleworm.us> - 2016-03-30 11:46 -0400
                Re: How could defining a variable, and not using it, be a problem ? DFS <nospam@dfs.com> - 2016-03-30 11:53 -0400
                Re: How could defining a variable, and not using it, be a problem ? Snit <usenet@gallopinginsanity.com> - 2016-03-29 12:05 -0700
                Re: How could defining a variable, and not using it, be a problem ? Snit <usenet@gallopinginsanity.com> - 2016-03-29 12:06 -0700
                Re: How could defining a variable, and not using it, be a problem ? Chris Ahlstrom <OFeem1987@teleworm.us> - 2016-03-28 21:10 -0400
                Re: How could defining a variable, and not using it, be a problem ? DFS <nospam@dfs.com> - 2016-03-30 14:13 -0400
                Peter Kohlmann has brain damage, I think. Jeff-Relf.Me <@.> - 2016-03-28 15:53 -0700
                Re: Peter Kohlmann has brain damage, I think. owl <owl@rooftop.invalid> - 2016-03-28 23:32 +0000
                Re: My code only does what _I_ want, not what "you" want. chrisv <chrisv@nospam.invalid> - 2016-03-29 07:24 -0500
            Re: Eternal-September Motzarella Aioe Dizum Albasani DFS <nospam@dfs.com> - 2016-03-29 10:21 -0400
              Re: Eternal-September Motzarella Aioe Dizum Albasani Peter Köhlmann <peter-koehlmann@t-online.de> - 2016-03-29 19:50 +0200
                Re: Eternal-September Motzarella Aioe Dizum Albasani chrisv <chrisv@nospam.invalid> - 2016-03-29 13:12 -0500
                *Spank*  Dumfsck and Kreep chrisv <chrisv@nospam.invalid> - 2016-03-29 14:29 -0500
                Re: *Spank*  Dumfsck and Kreep owl <owl@rooftop.invalid> - 2016-03-29 19:36 +0000
                Re: *Spank* Dumfsck and Kreep DFS <nospam@dfs.com> - 2016-03-29 15:42 -0400
                Re: Eternal-September Motzarella Aioe Dizum Albasani DFS <nospam@dfs.com> - 2016-03-29 15:59 -0400
                Re: Eternal-September Motzarella Aioe Dizum Albasani DFS <nospam@dfs.com> - 2016-03-30 10:51 -0400
    Re: I like taking cock up my ass "Delgato" <delgato@gmail.com> - 2016-04-02 03:01 +0200

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