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    SubjectRe: [PATCH 2/8] lib/sort: Replace qsort in XFS
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    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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