[PATCH] Use offsetof instead of magic number in scandir()

[Sebastian Huber]

On 03/28/2013 12:17 PM, Corinna Vinschen wrote:
> Shouldn't we better use the upstream version as used in FreeBSD and
> OpenBSD?
>
>    #define DIRSIZ(dp)                                                      \
>            ((sizeof(struct dirent) - sizeof(dp)->d_name) +                 \
> 	      (((dp)->d_namlen + 1 + 3) &~ 3))

I have problems to understand this expression.  What is "sizeof(dp)->d_name"? 
I think this looks like a hand-crafted offsetof variant.

-- 
Sebastian Huber, embedded brains GmbH

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