From: Glynn Clements <glynn@gclements.plus.com>
To: "J." <mailing-lists@xs4all.nl>
Cc: linux-c-programming@vger.kernel.org
Subject: Re: binary tree traversal...
Date: Sun, 30 Jan 2005 11:49:24 +0000 [thread overview]
Message-ID: <16892.51652.750327.69188@gargle.gargle.HOWL> (raw)
In-Reply-To: <Pine.LNX.4.21.0501262350200.30870-100000@hestia>
J. wrote:
> I am trying to traverse a binary tree, returning each node that is
> encounterd so that I can preform operations on that node. However it keeps
> looping over the same first node, it refuses to travel any further down
> the tree ... What did I overlooked ? I know the tree is loaded with data
> since a simple recursive preorder treeprint confirms that.
>
> An example:
>
> while((root = treerecurse(root)) != NULL)
> printf("%4d %s\n", root->count, root->word);
>
> And the treerecurse function would look something like:
>
> struct tnode *treerecurse(struct tnode *p) {
> if(p != NULL) {
> treerecurse(p->left);
> return p;
This causes the function to return, so ...
> treerecurse(p->right);
... this will never be executed.
--
Glynn Clements <glynn@gclements.plus.com>
prev parent reply other threads:[~2005-01-30 11:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-26 23:01 binary tree traversal J.
2005-01-27 2:07 ` Eric Bambach
2005-01-27 20:06 ` J.
2005-01-27 3:19 ` Joel Pareja
2005-01-30 11:49 ` Glynn Clements [this message]
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