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by nickodell
3477 days ago
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No, I think the author is using the full range of a 32 bit int. So read could be any 32 bit integer, even if the size of the ring is 1. (The trick is that SIZE has to be a power of two, or else when you increment from 2^32-1 to 0, your pointers will jump to a different position in the array.) |
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