[U-Boot] [PATCH 2/3] tools/proftool: add missing definition

Andreas Bießmann andreas.devel at googlemail.com
Tue Jul 2 08:39:24 CEST 2013


Hi Jeroen,

On 01.07.13 22:12, Jeroen Hofstee wrote:
> Hello Andreas,
> 
> On 07/01/2013 08:45 PM, Jeroen Hofstee wrote:
>> Hello Andreas,
>>
>> On 06/30/2013 01:15 PM, Andreas Bießmann wrote:
>>> BSD (like OS X) variants of regex.h do not declare REG_NOERROR, add a
>>> simple
>>> define for them.
>>>
>>> Signed-off-by: Andreas Bießmann <andreas.devel at googlemail.com>
>>> ---
>>>   +#ifndef REG_NOERROR
>>> +/* BSD regex.h do not expose REG_NOERROR */
>>> +# define REG_NOERROR 0
>>> +#endif
>>> +
>> I think a neater solutions is to actually remove the REG_NOERROR.
>> From man regexec, GNU 2011-09-27: "regexec() returns zero for a
>> successful match or REG_NOMATCH for failure.". Opengroup specs
>> will mention the same. REG_NOERROR is not mentioned at all.
>>
>> e.g.:
>>
>>         if (err) {
>>             regex_report_error(&item->regex, err, "match",
>>                        item->name);
>>             break;
>>         }
>>
>> should do the job in a portable way (and reads a bit better,
>> as well). But this is only a cosmetic comment, the patch by
>> itself should do the job.
>>
> Just realized this is more then cosmetic. Also GNU will not have
> REG_NOERROR defined since it is an enum, so it will always
> take the #ifndef REG_NOERROR road, which boils down to !! 0.
> 
> So this needs a new version instead of hiding how this works.

you are right, v2 is on the way ...

> p.s. Simon, Andreas sorry for spamming, selected the wrong email...

Ouch, sorry! Just realized that I took the wrong mail too.

Best regards

Andreas Bießmann


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