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SubjectRe: [PATCH 2/8] lib/sort: Replace qsort in XFS
Date
Zan Lynx <zlynx@acm.org> wrote:
>
> And you get in the habit of using 0 instead of NULL and before you know
> it you've used it in a variable argument list for a GTK library call on
> an AMD64 system and corrupted the stack. :-)

Using NULL without a cast is equally broken in a variadic context.
Sure it doesn't break on AMD64 but it'll break on platforms where
NULL pointers of different types have different representations.
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