[dsc] gcc problem?

[Florian Weimer]

* Duane Wessels:

> On Wed, 12 Dec 2007, Dikshie wrote:
>
>> Hi,
>> i use old gcc:
>> --------
>> Using builtin specs
>> gcc version 2.95.4 20020320 [FreeBSD]
>> -------
>>
>> i got hit by in collector by:
>>
>> cc -g -Wall -DUSE_IPV6=1 -I ../TmgBase/Hapy/src/include -c pcap.c
>> pcap.c:152: field `buf' has incomplete type
>> pcap.c:160: filed `buf' has incomplete type
>>
>> is that gcc issue/problem?
>
> I'm guessing that it is these lines?:
>
>      u_char buf[]; /* reassembled message (C99 flexible array member) */
>      ....
>      u_char buf[]; /* segment payload (C99 flexible array member) */
>
> My guess is that older gcc is not familiar with this syntax.  If you can't
> upgrade your gcc, then you could try changing those lines to say:
>
>      u_char *buf;

Actually, that should be:

  u_char buf[0];

Using a pointer instead will lead to crashes.