empserver/src/lib/commands/chan.c
Markus Armbruster 6ae4eca045 Don't use 0 as null pointer constant, part 3
This part replaces E == 0 by !E, where E has pointer type.
2009-03-24 21:46:01 +01:00

104 lines
2.8 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See files README, COPYING and CREDITS in the root of the source
* tree for related information and legal notices. It is expected
* that future projects/authors will amend these files as needed.
*
* ---
*
* chan.c: Change country/representative name
*
* Known contributors to this file:
* Steve McClure, 2000
*/
#include <config.h>
#include "commands.h"
#include "news.h"
#include "optlist.h"
int
chan(void)
{
char *p;
int charge;
int btucost;
char buf[1024];
struct natstr *us;
p = getstarg(player->argp[1], "country name or representative? ", buf);
if (!p)
return RET_SYN;
us = getnatp(player->cnum);
if (us->nat_stat == STAT_VIS) {
pr("Visitor countries can't change their country name or representative.\n");
return RET_FAIL;
}
switch (*p) {
case 'n':
case 'c':
charge = 0;
btucost = 0;
if (us->nat_stat == STAT_ACTIVE) {
if (opt_BLITZ == 0) {
if (us->nat_btu < 254) {
pr("You need 254 btus to change your country name!\n");
return RET_FAIL;
}
pr("This command costs 254 BTU's and 10%% of your money.\n");
if (!confirm("Are you sure you want to do this? "))
return RET_FAIL;
btucost = 254;
if (us->nat_money <= 0)
charge = 0;
else
charge = us->nat_money / 10;
}
}
p = getstarg(player->argp[2], "New country name -- ", buf);
if (!p)
return RET_SYN;
if (!check_nat_name(p))
return RET_FAIL;
player->dolcost += charge;
player->btused += btucost;
strcpy(us->nat_cnam, p);
putnat(us);
nreport(player->cnum, N_NAME_CHNG, 0, 1);
break;
case 'p':
case 'r':
pr("(note: these are stored in plain text.)\n");
p = getstarg(player->argp[2], "New representative name -- ", buf);
if (!p)
return RET_SYN;
p[sizeof(us->nat_pnam) - 1] = 0;
strcpy(us->nat_pnam, p);
putnat(us);
break;
default:
pr("Only \"country\" or \"representative\" can change.\n");
return RET_SYN;
}
return RET_OK;
}