This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: attribute data structure rewrite


Andreas Schwab <schwab@suse.de> writes:

> "Giovanni Bajo" <giovannibajo@libero.it> writes:
>
>> Anothing thing I have been shown today is that we currently reject this:
>>
>> ----------------------------------------
>> #include <stddef.h>
>> #include <stdio.h>
>>
>> struct A { char foo[10]; };
>>
>> void bar(void) {
>>     int i;
>>     for (i=0;i<10;i++)
>>         printf("%d\n", offsetof(struct A, foo[i]));
>> }
>> --------------------------------------
>>
>> but we used to accept it.  Any idea about its legality? Workarounds?
>
> offsetof (struct A, foo[0]) + i * sizeof (foo[0])

Of course, that doesn't compile either, but you get the idea. :-)

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]