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Date: Mon, 7 Dec 2015 14:22:42 +0100
From: Ed Schouten <>
To: Ed Schouten <>,
Subject: Re: AVL tree: storing balances instead of heights

2015-12-07 14:19 GMT+01:00 Ed Schouten <>:
>> you got the rootp==0 case wrong too (posix requires that to
>> return 0).
> That already happens, right? tdelete() sets it to (void *)1, but
> tdelete_recurse() then sets it to NULL immediately.

Ah, sorry. If rootp itself is NULL, it also needs to return NULL.
Thanks for spotting this.

Ed Schouten <>
Nuxi, 's-Hertogenbosch, the Netherlands
KvK-nr.: 62051717

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