#

1 files changed, 71 insertions, 0 deletions

diff --git a/oldXMenu/XDelAssoc.c b/oldXMenu/XDelAssoc.c
new file mode 100644
index 00000000000..df3bee6ee90
--- /dev/null
+++ b/oldXMenu/XDelAssoc.c
@@ -0,0 +1,71 @@
+/* $XConsortium: XDelAssoc.c,v 10.19 91/01/06 12:06:39 rws Exp $ */
+/* Copyright    Massachusetts Institute of Technology    1985	*/
+
+/*
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation, and that the name of M.I.T. not be used in advertising or
+publicity pertaining to distribution of the software without specific,
+written prior permission.  M.I.T. makes no representations about the
+suitability of this software for any purpose.  It is provided "as is"
+without express or implied warranty.
+*/
+
+#include <X11/Xlib.h>
+#include "X10.h"
+void emacs_remque();
+struct qelem {
+	struct    qelem *q_forw;
+	struct    qelem *q_back;
+	char q_data[1];
+};
+
+/*
+ * XDeleteAssoc - Delete an association in an XAssocTable keyed on
+ * an XId.  An association may be removed only once.  Redundant
+ * deletes are meaningless (but cause no problems).
+ */
+XDeleteAssoc(dpy, table, x_id)
+        register Display *dpy;
+	register XAssocTable *table;
+	register XID x_id;
+{
+	int hash;
+	register XAssoc *bucket;
+	register XAssoc *Entry;
+
+	/* Hash the XId to get the bucket number. */
+	hash = x_id & (table->size - 1);
+	/* Look up the bucket to get the entries in that bucket. */
+	bucket = &table->buckets[hash];
+	/* Get the first entry in the bucket. */
+	Entry = bucket->next;
+
+	/* Scan through the entries in the bucket for the right XId. */
+	for (; Entry != bucket; Entry = Entry->next) {
+		if (Entry->x_id == x_id) {
+			/* We have the right XId. */
+			if (Entry->display == dpy) {
+				/* We have the right display. */
+				/* We have the right entry! */
+				/* Remove it from the queue and */
+				/* free the entry. */
+				emacs_remque((struct qelem *)Entry);
+				free((char *)Entry);
+				return;
+			}
+			/* Oops, identical XId's on different displays! */
+			continue;
+		}
+		if (Entry->x_id > x_id) {
+			/* We have gone past where it should be. */
+			/* It is apparently not in the table. */
+			return;
+		}
+	}
+	/* It is apparently not in the table. */
+	return;
+}
+