initial import of 386bsd-0.1 sources

1 files changed, 101 insertions, 0 deletions

diff --git a/battlestar/parse.c b/battlestar/parse.c
new file mode 100644
index 00000000..d4101e65
--- /dev/null
+++ b/battlestar/parse.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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[] = "@(#)parse.c	5.3 (Berkeley) 6/1/90";
+#endif /* not lint */
+
+#include "externs.h"
+
+wordinit()
+{
+	register struct wlist *w;
+
+	for (w = wlist; w->string; w++)
+		install(w);
+}
+
+hash(s)
+	register char *s;
+{
+	register hashval = 0;
+
+	while (*s) {
+		hashval += *s++;
+		hashval *= HASHMUL;
+		hashval &= HASHMASK;
+	}
+	return hashval;
+}
+
+struct wlist *
+lookup(s)
+	char *s;
+{
+	register struct wlist *wp;
+
+	for (wp = hashtab[hash(s)]; wp != NULL; wp = wp->next)
+		if (*s == *wp->string && strcmp(s, wp->string) == 0)
+			return wp;
+	return NULL;
+}
+
+install(wp)
+	register struct wlist *wp;
+{
+	int hashval;
+
+	if (lookup(wp->string) == NULL) {
+		hashval = hash(wp->string);
+		wp->next = hashtab[hashval];
+		hashtab[hashval] = wp;
+	} else
+		printf("Multiply defined %s.\n", wp->string);
+}
+
+parse()
+{
+	register struct wlist *wp;
+	register n;
+
+	wordnumber = 0;           /* for cypher */
+	for (n = 0; n <= wordcount; n++) {
+		if ((wp = lookup(words[n])) == NULL) {
+			wordvalue[n] = -1;
+			wordtype[n] = -1;
+		} else {
+			wordvalue[n] = wp -> value;
+			wordtype[n] = wp -> article;
+		}
+	}
+}