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SubjectRe: PATCH: fix 2 byte data leak due to padding
Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
>
> On Llu, 2003-07-28 at 04:49, Lou Langholtz wrote:
> > >+ memset(&tmp, 0, sizeof(struct __old_kernel_stat));
> > >
> > Wouldn't it be more clear (better) to use sizeof(tmp) here rather than
> > sizeof(struct _old_kernel_stat)?
>
> sizeof(variable) can be suprising some times so I always use sizeof(type) out
> of habit. (Think sizeof(x) when X later becomes a pointer)

#define memzero(addr) memset(addr, 0, sizeof(*addr))

would robustify a lot of these things...

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