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/*
* Copyright 2019, The PLANIX Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "mavl.h"
int mavl_foreach_lr(struct mavlnode *n, int (*callback)(void *,void *),void *cbpriv)
{
if (!n)
return 1;
if (!mavl_foreach_lr(n->s[0],callback,cbpriv))
return 0;
if (!callback(cbpriv,mavlnode_dataptr(n)))
return 0;
return mavl_foreach_lr(n->s[1],callback,cbpriv);
}
int mavl_foreach_rl(struct mavlnode *n, int (*callback)(void *,void *),void *cbpriv)
{
if (!n)
return 1;
if (!mavl_foreach_rl(n->s[1],callback,cbpriv))
return 0;
if (!callback(cbpriv,mavlnode_dataptr(n)))
return 0;
return mavl_foreach_rl(n->s[0],callback,cbpriv);
}
void mavl_foreach(struct mavl *t, int (*callback)(void *,void *),void * cbpriv,int dir)
{
if (dir)
(void)mavl_foreach_lr(t->root,callback,cbpriv);
else
(void)mavl_foreach_rl(t->root,callback,cbpriv);
}