[osol-code] Re: [ksh93-integration-discuss] Trouble with"ERROR:ctfconvert:pics/wordexp.o: Couldn't parse stab "#vla0:(0, 14)"(source file pics/wordexp.o)" ...

[Ian Collins]

Casper.Dik at Sun.COM wrote:

>>Ian Collins wrote:
>>    
>>
>>>Alan Coopersmith wrote:
>>>      
>>>
>>>>Roland Mainz wrote:
>>>>        
>>>>
>>[snip]
>>    
>>
>>>>Isn't that what alloca() is for?   (Ignoring the simple fact that
>>>>alloca()
>>>>is actually horribly broken since it never tells you if it's failed, just
>>>>lets you corrupt your stack when you ask for too much memory.)
>>>>
>>>>        
>>>>
>>>Just like C99 VLAs!
>>>      
>>>
>>Umpf... C99 VLAs are neither horrible nor broken. They're a valid
>>language construct and highly usefull if properly used (noone is
>>suggesting to allocate 300GB that way).
>>    
>>
>
>
>I'm sure "Just like VLAs" refers to the "won't tell if it fails" not
>to horrible and broken; I don't see alloca() being much different than
>VLAs, to be honest; it's just syntactic sugar.
>
>  
>
Exactly my point, sorry if it wasn't clear. 

The only real advantage of VLAs is to ease the porting of gcc code.

Ian