[Python-Dev] About "Coverity Study Ranks LAMP Code Quality"
Fredrik Lundh
fredrik at pythonware.com
Wed Mar 15 12:13:03 CET 2006
>> > return=NULL; output=junk => out of memory
>> > return=junk; output=-1 => cannot do this
>> > return=pointer; output=value => did this, returned value bytes
>>
>> > I agree that the design is a bit questionable;
>>
>> It sure is. If you get both NULL and -1 returned, how are
>> you supposed to know which one is the junk?
>
> I was about to say "by doing the tests in the prescribed order",
> but you're right that it's not obvious that the function checks
> that it returns the right kind of junk... (it's possible that the
> junk in the second line is actually "pointer to some other ob-
> ject").
footnote: it is; the table should read
return=NULL; output=junk => out of memory
return=old pointer; output=-1 => no need do this; returning old pointer
return=new pointer; output=value => did this, returned pointer to newly
allocated area containing 'value' bytes
</F>
More information about the Python-Dev
mailing list