Markus Armbruster
c6ec6a41c2
Command functions are traditionally named like the command shortened
to four characters. When this name collides with a keyword or library
function, we abbreviate more: brea(), rea(). A few are unabbreviated,
e.g. execute(). A few have different names, e.g. explain(), not
list().
Commit 23726b379 (v4.3.0) suppressed a GCC warning about carg()
colliding with its built-in function.
Ron Koenderink reported Microsoft Visual Studio 2019 fails to link:
"_carg already defined in ucrtd.lib(ucrtbased.dll)".
Time to clean this up: rename the functions to c_FOO(), where FOO is
the unabbreviated name of the command.
Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
148 lines
4 KiB
C
148 lines
4 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure, Markus Armbruster
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*
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* Empire is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* ---
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*
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* See files README, COPYING and CREDITS in the root of the source
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* tree for related information and legal notices. It is expected
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* that future projects/authors will amend these files as needed.
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*
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* ---
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*
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* offe.c: Offer a loan
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*
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* Known contributors to this file:
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* Pat Loney, 1992
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* Steve McClure, 1996
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* Markus Armbruster, 2005-2016
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*/
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#include <config.h>
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#include "commands.h"
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#include "loan.h"
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#include "optlist.h"
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static int do_loan(void);
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int
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c_offer(void)
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{
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char *cp;
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cp = player->argp[1] ? player->argp[1] : "loan";
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switch (*cp) {
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case 'l':
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if (!opt_LOANS) {
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pr("Loans are not enabled.\n");
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return RET_FAIL;
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}
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return do_loan();
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default:
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pr("You must specify \"loan\".\n");
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return RET_SYN;
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}
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}
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static int
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do_loan(void)
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{
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int amt, irate, dur, maxloan;
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struct nstr_item nstr;
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struct natstr *natp;
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struct lonstr loan;
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natid recipient;
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int n;
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char prompt[128];
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if ((n = natarg(player->argp[2], "Lend to? ")) < 0)
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return RET_SYN;
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recipient = n;
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if (recipient == player->cnum) {
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pr("You can't loan yourself money!\n");
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return RET_FAIL;
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}
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if (!nat_accepts(recipient, player->cnum, REJ_LOAN)) {
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pr("%s is rejecting your loans.\n", cname(recipient));
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return RET_SYN;
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}
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natp = getnatp(player->cnum);
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if (natp->nat_money + 100 > MAXLOAN)
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maxloan = MAXLOAN;
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else
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maxloan = natp->nat_money - 100;
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if (maxloan < 0) {
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pr("You don't have enough money to loan!\n");
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return RET_FAIL;
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}
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sprintf(prompt, "Size of loan for country #%d? (max %d) ",
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recipient, maxloan);
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amt = onearg(player->argp[3], prompt);
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if (amt <= 0)
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return RET_FAIL;
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if (amt > MAXLOAN) {
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pr("You can only loan $%d at a time.\n", MAXLOAN);
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return RET_FAIL;
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}
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if (amt > maxloan) {
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pr("You can't afford that much.\n");
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return RET_FAIL;
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}
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dur = onearg(player->argp[4], "Duration? (days, max 7) ");
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if (dur <= 0)
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return RET_FAIL;
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if (dur > 7)
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return RET_FAIL;
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irate = onearg(player->argp[5], "Interest rate? (from 5 to 25%) ");
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if (irate > 25)
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return RET_FAIL;
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if (irate < 5)
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return RET_FAIL;
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snxtitem_all(&nstr, EF_LOAN);
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while (nxtitem(&nstr, &loan)) {
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if ((loan.l_status == LS_SIGNED) && (loan.l_lonee == player->cnum)
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&& (loan.l_loner == recipient)) {
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pr("You already owe HIM money - how about repaying your loan?\n");
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return RET_FAIL;
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}
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}
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snxtitem_all(&nstr, EF_LOAN);
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while (nxtitem(&nstr, &loan)) {
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if (loan.l_status == LS_FREE)
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break;
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}
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ef_blank(EF_LOAN, nstr.cur, &loan);
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loan.l_loner = player->cnum;
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loan.l_lonee = recipient;
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loan.l_status = LS_PROPOSED;
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loan.l_irate = MIN(irate, 127);
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loan.l_ldur = MIN(dur, 127);
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loan.l_amtpaid = 0;
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loan.l_amtdue = amt;
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(void)time(&loan.l_lastpay);
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loan.l_duedate = loan.l_ldur * SECS_PER_DAY + loan.l_lastpay;
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if (!putloan(nstr.cur, &loan)) {
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logerror("do_loan: can't save loan");
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pr("Couldn't save loan; get help!\n");
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return RET_FAIL;
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}
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pr("You have offered loan %d\n", nstr.cur);
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wu(0, recipient, "Country #%d has offered you a loan (#%d)\n",
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player->cnum, nstr.cur);
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return RET_OK;
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}
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