empserver/src/lib/subs/natarg.c

81 lines
2.1 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2004, 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 the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
* related information and legal notices. It is expected that any future
* projects/authors will amend these files as needed.
*
* ---
*
* natarg.c: Return countr # given country name or country #
*
* Known contributors to this file:
* (List known contributors to this file)
*/
#include <ctype.h>
#include "misc.h"
#include "nat.h"
#include "player.h"
#include "file.h"
#include "prototypes.h"
#include "optlist.h"
int
natarg(s_char *arg, s_char *prompt)
{
s_char buf[1024];
int n;
struct natstr *np;
int byname = 0;
arg = getstarg(arg, prompt, buf);
if (arg == 0 || *arg == 0)
return -1;
if (isdigit(*arg))
n = atoi(arg);
else {
n = cnumb(arg);
if (opt_HIDDEN) {
byname = 1;
}
}
if (n < 0 || n >= MAXNOC) {
pr("No such country exists.\n");
n = -1;
}
if (opt_HIDDEN) {
if (!player->god && !getcontact(getnatp(player->cnum), n)) {
if ((np = getnatp(n)) == 0)
return -1;
if ((np->nat_stat & STAT_GOD) == 0) {
if (byname) {
pr("No such country exists.\n");
n = -1;
} else {
pr("Country has not been contacted.\n");
n = -2;
}
}
}
}
return n;
}