static void tconfig_r_depth_first_write(int depth, FILE *out, struct tconfig_block *tmp)
{
  int i;

  if (tmp == NULL)
    return;

  if (tmp->child != NULL)
  {
    for(i=0;i<(depth*2);i++)
      fputc(' ',out);

    fprintf(out,"%s\t%s\n",tmp->key,tmp->value);

    for(i=0;i<(depth*2);i++)
      fputc(' ',out);

    fprintf(out,"{\n");

    tmp = tmp->child;
    depth++;
  }
  else if (tmp->next != NULL)
  {
    for(i=0;i<(depth*2);i++)
      fputc(' ',out);

    fprintf(out,"%s\t%s\n",tmp->key,tmp->value);
    tmp = tmp->next;
  }
  else
  {
    for(i=0;i<(depth*2);i++)
      fputc(' ',out);

    fprintf(out,"%s\t%s\n",tmp->key,tmp->value);

    if (depth > 0)
    {
      while (tmp)
      {
        if (tmp->next == NULL)
        {
          if (depth == 0)
            return;

          while (tmp->parent == NULL)
          {
            tmp = tmp->prev;
          }

          tmp = tmp->parent;
          depth--;

          for(i=0;i<(depth*2);i++)
            fputc(' ',out);

          fprintf(out,"}\n\n");

        }
        else
        {
          tmp = tmp->next;
          break;
        }
      }
    }
    else
      return;
  }

  tconfig_r_depth_first_write(depth,out,tmp);
}


/* write a tconfig block back out */
void tconfig_to_file(struct tconfig_block *tcfg, char *filename)
{
  FILE *out;
  struct tconfig_block *tmp = tcfg;
  struct tconfig_block *search;
  int indent;

  if (tmp == NULL)
  {
    troll_debug(LOG_WARN,"tconfig_to_file() passed a NULL tconfig block.");
    return;
  }

  if ((out = fopen(filename,"w")) == NULL)
  {
    troll_debug(LOG_ERROR,"Could not open %s for writing.",filename);
    return;
  }

  tconfig_r_depth_first_write(0,out,tmp);


  fclose(out);
}