Import of Empire 4.2.12

src/lib/subs/cnumb.c

@@ -0,0 +1,66 @@
+/*
+ *  Empire - A multi-player, client/server Internet based war game.
+ *  Copyright (C) 1986-2000, 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.
+ *
+ *  ---
+ *
+ *  cnumb.c: Return country number give country name
+ * 
+ *  Known contributors to this file:
+ *     
+ */
+
+#include "misc.h"
+#include "player.h"
+#include "nat.h"
+#include "file.h"
+#include "prototypes.h"
+
+int
+cnumb(s_char *cntry)
+{
+	register s_char *ncp;
+	register s_char *cp;
+	register struct natstr *natp;
+	int	bcount;
+	natid	best;
+	natid	cn;
+
+	bcount = 0;
+	for (cn = 0; cn < MAXNOC; cn++) {
+		if ((natp = getnatp(cn)) == 0)
+			break;
+		ncp = natp->nat_cnam;
+		for (cp=cntry; *cp == *ncp; cp++, ncp++) {
+			if (*cp == 0)
+				return cn;
+		}
+		if (cp > cntry && *cp == 0) {
+			best = cn;
+			bcount++;
+		}
+	}
+	/* can only have 1 match or not successful */
+	return bcount == 1 ? (int) best : -1;
+}