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Betrayed by a bitfieldBetrayed by a bitfieldPosted Feb 4, 2012 13:57 UTC (Sat) by nix (subscriber, #2304)In reply to: Betrayed by a bitfield by daglwn Parent article: Betrayed by a bitfield
I'm simply pointing out that any code that relies on the layout of a struct or how its members are accessed is inherently non-portable.Not so: you can depend on later members of a struct having strictly higher addresses than earlier ones: i.e., the compiler cannot reshuffle struct members. (This is not an especially exciting guarantee, but it's all we've got.)
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