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#include <stdio.h>
#include <stdlib.h>
#include "types.h"
#include <trace.h>
#include "util.h"


/* distribuzione degli spostamenti della testina */

#define MAXX 1000
#define PREC 1000
#define DELTA ((double)MAXX/(double)PREC)

#include "distr.c"

int dumpusr(int event, trc_user_event_t *usr)
{
  static long last=-1;
  long d;
  if (event!=TRC_USER0) return 0;
  if (last!=-1) {
    d=abs(last-usr->n);
    d_insert(d);
  }
  last=usr->n;
  return 0;
}

int dumpfunc(trc_event_t *ev)
{
  if (event_class(ev->event)==TRC_CLASS_USER) dumpusr(ev->event,&ev->x.usr);
  return 0;
}

int main(int argc, char *argv[])
{
  FILE *fout;
  int res;  
  if (argc!=3) {
    fprintf(stderr,"missing filename!\n");
    return -1;
  }
  d_init();
  res=read_trace(argv[1],dumpfunc);
  if (res==0) {
    fout=fopen(argv[2],"wt");
    if (fout!=NULL) {
      d_dump(fout);
      fclose(fout);
    } else
      fprintf(stderr,"can't create output file!\n");
  } else
    fprintf(stderr,"read_trace error\n");
 
  return 0;
}