Import of 4.4BSD-Lite2 source

1 files changed, 106 insertions, 0 deletions

diff --git a/gomoku/stoc.c b/gomoku/stoc.c
new file mode 100644
index 00000000..63669151
--- /dev/null
+++ b/gomoku/stoc.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)stoc.c	8.1 (Berkeley) 7/24/94";
+#endif /* not lint */
+
+#include "gomoku.h"
+#include <ctype.h>
+
+char	*letters	= "<ABCDEFGHJKLMNOPQRST>";
+
+struct mvstr {
+	int	m_code;
+	char	*m_text;
+};
+static	struct	mvstr	mv[] = {
+	RESIGN,		"resign",
+	RESIGN,		"quit",
+	SAVE,		"save",
+	-1,		0
+};
+
+/*
+ * Turn the spot number form of a move into the character form.
+ */
+char *
+stoc(s)
+	int s;
+{
+	static char buf[32];
+	register int i;
+
+	for (i = 0; mv[i].m_code >= 0; i++)
+		if (s == mv[i].m_code)
+			return(mv[i].m_text);
+	sprintf(buf, "%c%d", letters[s % BSZ1], s / BSZ1);
+	return(buf);
+}
+
+/*
+ * Turn the character form of a move into the spot number form.
+ */
+ctos(mp)
+	char *mp;
+{
+	register int i;
+
+	for (i = 0; mv[i].m_code >= 0; i++)
+		if (strcmp(mp, mv[i].m_text) == 0)
+			return(mv[i].m_code);
+	if (!isalpha(mp[0]))
+		return(ILLEGAL);
+	i = atoi(&mp[1]);
+	if (i < 1 || i > 19)
+		return(ILLEGAL);
+	return(PT(lton(mp[0]), i));
+}
+
+/*
+ * Turn a letter into a number.
+ */
+lton(c)
+	int c;
+{
+	register int i;
+
+	if (islower(c))
+		c = toupper(c);
+	for (i = 1; i <= BSZ && letters[i] != c; i++)
+		;
+	return(i);
+}