src/lib/commands/chan.c

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/*
 *  Empire - A multi-player, client/server Internet based war game.
 *  Copyright (C) 1986-2007, 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"
#include <ctype.h>

int
chan(void)
{
    char *temp;
    struct natstr *natp;
    char *p;
    natid cn;
    int charge;
    int nonb;
    int btucost;
    char buf[1024];
    struct natstr *us;

    if ((p =
         getstarg(player->argp[1], "country name or representative? ",
                  buf)) == 0)
        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;
            }
        }
        if ((p =
             getstarg(player->argp[2], "New country name -- ", buf)) == 0)
            return RET_SYN;
        p[sizeof(us->nat_cnam) - 1] = 0;
        for (cn = 0; NULL != (natp = getnatp(cn)); cn++) {
            if (!strcmp(p, natp->nat_cnam)) {
                pr("Country #%d is already called `%s'!\n", cn, p);
                return RET_FAIL;
            }
        }
        nonb = 0;
        for (temp = p; *temp != '\0'; temp++) {
            if (iscntrl(*temp)) {
                pr("No control characters allowed in country names!\n");
                return RET_FAIL;
            } else if (*temp != ' ')
                nonb = 1;
        }
        if (!nonb) {
            pr("Must have a non-blank name!\n");
            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");
        if ((p = getstarg(player->argp[2],
                          "New representative name -- ", buf)) == 0)
            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;
}

---