Re: [RFC] B+Tree library V2

[Johannes Berg]

> Maybe it should be renamed to btree_get_prev_key().  I never noticed how
> confusing it was because my head was busy with other problems.  The code
> is currently burried within my logfs tree:
> http://logfs.org/git?p=logfs;a=summary

I see this:


- * Second trick is to special-case the key "0" or NUL.  As seen above, this
- * value indicates an unused slot, so such a value should not be stored in the
- * tree itself.  Instead it is stored in the null_ptr field in the btree_head.

Does that mean that wasn't true, and I can store a 0 key?

johannes

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