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