2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See files README, COPYING and CREDITS in the root of the source
23 * tree for related information and legal notices. It is expected
24 * that future projects/authors will amend these files as needed.
28 * natarg.c: Return countr # given country name or country #
30 * Known contributors to this file:
31 * Markus Armbruster, 2006
44 #include "prototypes.h"
47 * Get nation argument.
48 * If ARG is not empty, use it, else prompt for input using PROMPT.
49 * If no input is provided, return NULL.
50 * If the argument identifies a country, return its getnatp() value.
51 * Else complain and return NULL.
52 * Caution: this function doesn't care for lack of contact.
55 natargp(char *arg, char *prompt)
61 arg = getstarg(arg, prompt, buf);
62 if (arg == 0 || *arg == 0)
68 if (n == M_NOTUNIQUE) {
69 pr("Country '%s' is ambiguous\n", arg);
74 if (!np || np->nat_stat == STAT_UNUSED) {
75 pr("Country '%s' doesn't exist.\n", arg);
82 * Get nation argument.
83 * If ARG is not empty, use it, else prompt for input using PROMPT.
84 * If no input is provided, return -1.
85 * If the argument identifies a country, return its number. getnatp()
86 * can be assumed to succeed for this number.
87 * Else complain and return -1.
88 * If HIDDEN is enabled, countries not contacted are not eligible
89 * unless the player is a deity.
92 natarg(char *arg, char *prompt)
94 struct natstr *np = natargp(arg, prompt);
98 if (!player->god && !getcontact(getnatp(player->cnum), np->nat_cnum)) {
99 if (np->nat_stat != STAT_GOD) {
100 pr("Country '%s' has not been contacted.\n", arg);