[Ffmpeg-devel] [PATCH] Wildcard and catalog image sequences

Michel Bardiaux mbardiaux
Mon Sep 4 14:38:22 CEST 2006


M?ns Rullg?rd wrote:
> Michel Bardiaux said:
>> M?ns Rullg?rd wrote:
>>> Michael Niedermayer said:
>>>> Hi
>>>>
>>>> On Wed, Aug 30, 2006 at 02:28:57PM +0200, Michel Bardiaux wrote:
>>>>> Michael Niedermayer wrote:
>>>>>> looking at for example:
>>>>>>
>>>>>>>> +int filename_catalog_test(const char *filename)
>>>>>>>> +{
>>>>>>>> +    if(!filename)
>>>>>>>> +        return (-1);
>>>>>>>> +    else if(filename[0]=='@')
>>>>>>>> +        return 0;
>>>>>>>> +    else
>>>>>>>> +        return (-1);
>>>>>> versus
>>>>>>
>>>>>>> return filename && filename[0]=='@';
>>>>>> i cant see how the later is more obfuscated, additionally
>>>>> I dont mean all one-liners are obfuscated, only that they quickly become
>>>>> so. Esp. since the correct one is
>>>>>
>>>>> return (filename && filename[0]=='@')?0:-1; // justified below.
>>>>>
>>>>> Still reasonable, but the one about wildcards is even bigger. If one has
>>>>> to code for multiple levels of conditions, nested ?: become quite
>>>>> unreadable. So there is a limit to one-liners, and where it is is a
>>>>> matter of taste, isnt it?
>>>> sure but my suggestion wouldnt need the ?: and without that the one liner
>>>> really seems to be the better solution
>>> return -(filename && filename[0] == '@');
>> That gives -1 for OK and 0 for KO, the opposite of what is wanted!
> 
> Darn.  OK, these two should give the right result:
> 
> return -!(filename && filename[0] == '@');
> 
> return (filename && filename[0] == '@')-1;
> 
Yes, but besides my point, which was that excessive perlitism is just as 
dangerous as excessive bloat. Anyway, that API has now been changed, and 
I have sworn to be as terse as Michael has requested (against my better 
judgment, but unfortunately I dont have the same credentials here as in 
my daytime job!).

-- 
Michel Bardiaux
R&D Director
T +32 [0] 2 790 29 41
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