GNU bug report logs - #9064
coreutils-8.12 compiler warning

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Package: coreutils;

Reported by: "Joachim Schmitz" <jojo <at> schmitz-digital.de>

Date: Wed, 13 Jul 2011 07:57:01 UTC

Severity: normal

Done: Pádraig Brady <P <at> draigBrady.com>

Bug is archived. No further changes may be made.

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Message #17 received at 9064-done <at> debbugs.gnu.org (full text, mbox):

From: "Voelker, Bernhard" <bernhard.voelker <at> siemens-enterprise.com>
To: Pádraig Brady <P <at> draigBrady.com>, Joachim Schmitz
	<jojo <at> schmitz-digital.de>
Cc: "9064-done <at> debbugs.gnu.org" <9064-done <at> debbugs.gnu.org>
Subject: RE: bug#9064: coreutils-8.12 compiler warning
Date: Wed, 13 Jul 2011 12:12:49 +0200
Pádraig Brady wrote:

> On 13/07/11 10:13, Joachim Schmitz wrote:
>> Double backet does not fix this warning. It is the HP NonStop c89 and c99
>> compiler without having disabled warnings (all warnings are on by default)
>> If it isn't a bug, forget about it, or maybe add a comment next to that line
>> about this.
>> 
>> -----Original Message-----
>> From: Pádraig Brady [mailto:P <at> draigBrady.com] 
>> Sent: Wednesday, July 13, 2011 11:05 AM
>> To: Joachim Schmitz
>> Cc: 9064 <at> debbugs.gnu.org
>> Subject: Re: bug#9064: coreutils-8.12 compiler warning
>> 
>> On 13/07/11 08:55, Joachim Schmitz wrote:
>>> I found this in mktemp.c, line344 (well, my compiler found it for me 
>>> and warned about 'possible use of "=" where "==" was intended'):
>>>
>>>       if (!dry_run && (stdout_closed = true) && close_stream (stdout) 
>>> != 0)
>>>
>>> Not sure whether this is bug or feature ;-)
>> 
>> Well it's a feature.
>> We could reorganize but it would add a few more lines.
>> What compiler (option) is this?
>> Is the warning avoided by using double brackets like ((stdout_closed =
>> true))
>
> I also notice SGI's compiler has similar issues
> http://archive.apache.org/gnats/2528
> 
> closing this.

I remember I've seen something like (0 != (stdout_closed = true))
to make the compiler happy.

This is like the often used
  if (0 == (fp = fopen("file", "r"))
    ... error

Have a nice day,
Berny






This bug report was last modified 13 years and 353 days ago.

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