{
if (!world.exists)
{
- err_line(1, "No world exists in which to run player commands.");
- return 0;
+ return !err_line(1, "No world exists in which to run player commands.");
}
return 1;
}
while ( 0 < player->lifepoints
|| (0 == player->lifepoints && start_turn == world.turn))
{
- if (NULL == thing)
+ if (!thing)
{
world.turn++;
thing = world.things;
set_err_line_options("Trouble with message: ", msg, 0);
char * msg_copy = strdup(msg);
char * tok0 = token_from_line(msg_copy);
- if (NULL != tok0)
+ if (tok0)
{
if (parse_command(tok0))
record(msg, 0);
}
char * tokplus = token_from_line(NULL);
- err_line(NULL != tokplus, "Too many arguments, ignoring overflow.");
+ err_line(!(!tokplus), "Too many arguments, ignoring overflow.");
free(msg_copy);
return;
}
{
char * msg = io_round();
server_test();
- if (NULL == msg)
+ if (!msg)
{
continue;
}