From 02f5d8f817cf9629b1ed485751bff2b9991f0b92 Mon Sep 17 00:00:00 2001
From: "Angelos D. Keromytis" <angelos@cvs.openbsd.org>
Date: Tue, 4 Jan 2000 14:23:44 +0000
Subject: Add rmoption/rmoptions; useful for people who want a slightly
 modified version of GENERIC.

---
 usr.sbin/config/hash.c | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

(limited to 'usr.sbin/config/hash.c')

diff --git a/usr.sbin/config/hash.c b/usr.sbin/config/hash.c
index 9110386046d..735213d0dc8 100644
--- a/usr.sbin/config/hash.c
+++ b/usr.sbin/config/hash.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: hash.c,v 1.6 1997/08/07 10:36:57 deraadt Exp $	*/
+/*	$OpenBSD: hash.c,v 1.7 2000/01/04 14:23:43 angelos Exp $	*/
 /*	$NetBSD: hash.c,v 1.4 1996/11/07 22:59:43 gwr Exp $	*/
 
 /*
@@ -249,6 +249,39 @@ ht_new()
 	return (ht);
 }
 
+/*
+ * Remove.
+ */
+int
+ht_remove(ht, nam)
+	register struct hashtab *ht;
+	register const char *nam;
+{
+	register struct hashent *hp, *thp;
+	register u_int h;
+
+	h = hash(nam);
+	hp = ht->ht_tab[h & ht->ht_mask];
+	while (hp && hp->h_name == nam)	{
+	        ht->ht_tab[h & ht->ht_mask] = hp->h_next;
+		/* XXX Free hp ? */
+		hp = ht->ht_tab[h & ht->ht_mask];
+	}
+
+	if ((hp = ht->ht_tab[h & ht->ht_mask]) == NULL)
+	        return (0);
+
+	for (thp = hp->h_next; thp != NULL; thp = hp->h_next) {
+	        if (thp->h_name == nam) {
+		        hp->h_next = thp->h_next;
+			/* XXX Free hp ? */
+		} else
+		        hp = thp;
+	}
+
+	return (0);
+}
+
 /*
  * Insert and/or replace.
  */
-- 
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