Markus Armbruster
4515b84c59
LICENSE to COPYING, because that's where it usually is. Update all the references to these files.
105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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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* natarg.c: Return countr # given country name or country #
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*
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* Known contributors to this file:
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* Markus Armbruster, 2006
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*/
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#include <config.h>
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#include <ctype.h>
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#include "misc.h"
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#include "nat.h"
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#include "player.h"
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#include "file.h"
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#include "match.h"
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#include "prototypes.h"
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#include "optlist.h"
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/*
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* Get nation argument.
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* If ARG is not empty, use it, else prompt for input using PROMPT.
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* If no input is provided, return NULL.
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* If the argument identifies a country, return its getnatp() value.
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* Else complain and return NULL.
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* Caution: this function doesn't care for lack of contact.
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*/
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struct natstr *
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natargp(char *arg, char *prompt)
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{
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char buf[1024];
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int n;
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struct natstr *np;
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arg = getstarg(arg, prompt, buf);
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if (arg == 0 || *arg == 0)
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return NULL;
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if (isdigit(*arg))
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n = atoi(arg);
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else {
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n = cnumb(arg);
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if (n == M_NOTUNIQUE) {
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pr("Country '%s' is ambiguous\n", arg);
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return NULL;
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}
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}
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np = getnatp(n);
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if (!np || np->nat_stat == STAT_UNUSED) {
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pr("Country '%s' doesn't exist.\n", arg);
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return NULL;
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}
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return np;
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}
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/*
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* Get nation argument.
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* If ARG is not empty, use it, else prompt for input using PROMPT.
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* If no input is provided, return -1.
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* If the argument identifies a country, return its number. getnatp()
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* can be assumed to succeed for this number.
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* Else complain and return -1.
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* If HIDDEN is enabled, countries not contacted are not eligible
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* unless the player is a deity.
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*/
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int
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natarg(char *arg, char *prompt)
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{
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struct natstr *np = natargp(arg, prompt);
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if (!np)
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return -1;
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if (opt_HIDDEN) {
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if (!player->god && !getcontact(getnatp(player->cnum), np->nat_cnum)) {
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if (np->nat_stat != STAT_GOD) {
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pr("Country '%s' has not been contacted.\n", arg);
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return -1;
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}
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}
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}
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return np->nat_cnum;
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}
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