Import of Empire 4.2.12

src/lib/subs/askyn.c

@@ -0,0 +1,83 @@
+/*
+ *  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.
+ *
+ *  ---
+ *
+ *  askyn.c: The oldest routines in the book... ask questions of the user
+ * 
+ *  Known contributors to this file:
+ *     Thomas Ruschak, 1993
+ *     Doug Hay, 1998
+ */
+
+#include "misc.h"
+#include <fcntl.h>
+#if !defined(_WIN32)
+#include <sys/uio.h>
+#endif
+#include "nat.h"
+#include "tel.h"
+#include "file.h"
+#include "var.h"
+#include "prototypes.h"
+
+/*
+ * If they don't answer 'y' or 'Y', return 0
+ */
+int
+confirm(s_char *promptstring)
+{
+	s_char	y_or_n[1024];
+	char	c;
+
+	if (getstring(promptstring, y_or_n) == 0)
+		return 0;
+	c = *y_or_n;
+	if (c == 'y' || c == 'Y')
+		return 1;
+	return 0;
+}
+
+/*
+ * Make them answer 'y', 'Y', 'n', or 'N', and
+ * return 1 for y or Y, and 0 for n or N
+ */
+int
+askyn(s_char *promptstring)
+{
+	s_char	y_or_n[1024];
+	char	c;
+
+	while (getstring(promptstring, y_or_n)) {
+		c = *y_or_n;
+		if (c == 'y' || c == 'Y')
+			return 1;
+		if (c == 'n' || c == 'N')
+			return 0;
+		pr("You must answer either yes or no!\n");
+	}
+	/* assume no if aborted */
+	return 0;
+}