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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 <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "mavl.h"
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#define MAX_VAL_LEN 180
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static void
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print0(struct mavlnode *n, int depth, int cdepth, int x,
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char *buffer,int width,
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void (*pcb)(char*,struct mavlnode *))
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{
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char temp[MAX_VAL_LEN];
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int de;
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de = cdepth;
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if (!n)
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return;
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if (cdepth==depth){
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pcb(temp,n);
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(void)strcpy(buffer+x,temp);
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*(buffer+x+strlen(temp))=' ';
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return ;
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}
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if (cdepth>depth)
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return;
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print0(n->s[0],depth,cdepth+1,x-width/(2<<(de+1)),buffer,width,pcb);
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print0(n->s[1],depth,cdepth+1,x+width/(2<<(de+1)),buffer,width,pcb);
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}
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void
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mavl_print(struct mavl *t, void (*pcb)(char*,struct mavlnode *), int width)
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{
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int de;
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char * buffer;
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buffer = malloc(sizeof(char)*(width+1+MAX_VAL_LEN));
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for (de=0;de<20;de++){
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(void)memset(buffer,' ',(size_t)width+1);
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print0(t->root,de,0,width/2,buffer,width,pcb);
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buffer[width+1]=0;
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(void)printf("%s\n",buffer);
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}
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free(buffer);
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}
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