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On Sat, 17 Jun 2006 15:20:52 +0200 Harald van Dijk <truedfx@g.o> |
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wrote: |
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| and then accessing {first, null}, or {null, last} as a struct dl_node |
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| the way to fix the code would be to rewrite the code to use arrays |
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| of pointers instead of simply three pointer members. There is no |
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| valid way to do what the code does using pointer members (that's |
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| simple logic: it relies on the padding between first and null to be |
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| exactly the same as that between null and last, which is a guarantee |
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| standard C doesn't make), so fixing it requires quite a bit of work. |
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It can be done using nested structs. |
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-- |
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Ciaran McCreesh |
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Mail : ciaran dot mccreesh at blueyonder.co.uk |
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-- |
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