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#include <kernel/kern.h>

#include <stdlib.h>

#include "parser.h"

int dos_preload(char *file_name, long max_size, void **start_file, void **end_file)

{

  DOS_FILE* file;

  void      *buf;

  long      rd;

  file = DOS_fopen(file_name,"r");

  if (file == NULL) return -1;

  buf = malloc(max_size);

  *start_file = buf;

  while(((rd = DOS_fread(buf, sizeof(BYTE), 2048, file)) == 2048) &&

        ((buf - *start_file + rd) < (max_size-2048))) {

        buf += rd;

  }

  *end_file = buf + rd;

  DOS_fclose(file);

  return(0);

}

int line_reader(void *start_file, void *end_file, struct timespec *total, struct loader_task **start_loader_task)

{

  char *pbuf = start_file;

  int res,line_num,total_loader_task;

  struct loader_task *current = NULL;

  NULL_TIMESPEC(total);

  line_num = 0;

  total_loader_task = 0;

  while ((void *)(pbuf) < end_file) {

    line_num++;

    if (*start_loader_task == NULL)

      res = line_parser(&pbuf, line_num, total, &current);

    else

      res = line_parser(&pbuf, line_num, total, &current->next);

    if (res == 2) {

      total_loader_task++;

      if (*start_loader_task == NULL)

        *start_loader_task = current;

      else

        current = current->next;

    }

    if (res == 3) break;

  }

  cprintf("Total decoded lines %d\n",line_num);

  cprintf("Total loader task %d\n",total_loader_task);

  cprintf("Simulation time sec = %ld usec = %ld\n",total->tv_sec,total->tv_nsec/1000);

  return 0;

}