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Re: unicode build: "comparison is always true" warnings


From: Andreas Schwab
Subject: Re: unicode build: "comparison is always true" warnings
Date: Fri, 23 Nov 2007 19:54:51 +0100
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux)

address@hidden (Mark A. Hershberger) writes:

> Andreas Schwab <address@hidden> writes:
>
>> address@hidden (Mark A. Hershberger) writes:
>>
>>>        while (1)
>>>     {
>>>       /* Create the lock file, but not under the lock file name.  */
>>>       /* Give up if cannot do that.  */
>>> +#ifndef HAVE_MKSTEMP
>>>       desc = open (tempname, O_WRONLY | O_CREAT | O_EXCL, 0666);
>>> +#else
>>> +          desc = mkstemp (tempname);
>>> +#endif
>>
>> That won't work since mkstemp modifies tempname in place, but can be
>> called more than once here (the second call will return with EINVAL).
>
> There is only one call.

Inside a loop.

> If you look at the full patch, mktemp (not mkstemp) is called once if
> HAVE_MKSTEMP is _not_ defined.  Here, mkstemp (not mktemp) is called if
> HAVE_MKSTEMP _is_ defined.

Correct but irrelevant.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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