2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2016, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
6 * Empire 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 3 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, see <http://www.gnu.org/licenses/>.
21 * See files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future projects/authors will amend these files as needed.
27 * natarg.c: Return countr # given country name or country #
29 * Known contributors to this file:
30 * Markus Armbruster, 2006-2009
43 #include "prototypes.h"
46 * Get nation argument.
47 * If @arg is not empty, use it
48 * 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);
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.
84 * Else prompt for input using @prompt.
85 * If no input is provided, return -1.
86 * If the argument identifies a country, return its number. getnatp()
87 * can be assumed to succeed for this number.
88 * Else complain and return -1.
89 * If HIDDEN is enabled, countries not contacted are not eligible
90 * unless the player is a deity.
93 natarg(char *arg, char *prompt)
95 struct natstr *np = natargp(arg, prompt);
99 if (!player->god && !getcontact(getnatp(player->cnum), np->nat_cnum)) {
100 if (np->nat_stat != STAT_GOD) {
101 pr("Country '%s' has not been contacted.\n", arg);