lseek(rrd_simple_file->fd, newfile_size - 1, SEEK_SET);
if ( write(rrd_simple_file->fd, "\0", 1) == -1){ /* poke */
rrd_set_error("write '%s': %s", file_name, rrd_strerror(errno));
goto out_close;
}
lseek(rrd_simple_file->fd, 0, SEEK_SET);
lseek(rrd_simple_file->fd, newfile_size - 1, SEEK_SET);
if ( write(rrd_simple_file->fd, "\0", 1) == -1){ /* poke */
rrd_set_error("write '%s': %s", file_name, rrd_strerror(errno));
goto out_close;
}
lseek(rrd_simple_file->fd, 0, SEEK_SET);