On Tue, 23 Jul 2002 18:58:52 -0400, Kevin O'Connor wrote:
>#define BackPtr(ptr, type, member) ({ \
> typeof( ((type *)0)->member ) *__mptr = (ptr); \
> ((type *)( (char *)__mptr - (unsigned long)(&((type *)0)->member) ));})
I've seen this sort of code several times now in the Linux kernel,
and I've never liked it. Is there some reason why you guys avoid
offsetof() like the plague?
/Mikael
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This archive was generated by hypermail 2b29 : Tue Jul 23 2002 - 22:00:45 EST