/*
-** Copyright (C) 2006- Sami Kerola <kerolasa@iki.fi>
-**
-** 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.
-*/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
+ * The dhcpd-pools has BSD 2-clause license which also known as "Simplified
+ * BSD License" or "FreeBSD License".
+ *
+ * Copyright 2006- Sami Kerola. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``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 <COPYRIGHT HOLDER> 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.
+ *
+ * The views and conclusions contained in the software and documentation are
+ * those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Sami Kerola.
+ */
+
+#include <stddef.h>
#include <stdlib.h>
-#include <stdio.h>
#include "dhcpd-pools.h"
&rangecomp);
/* Sort backups */
- if (num_backups > 0) {
+ if (0 < num_backups) {
qsort(backups, (size_t) num_backups, sizeof(long int),
&intcomp);
}
/* Walk through ranges */
for (k = 0; k < num_ranges; k++) {
/* Count IPs in use */
- for (; range_p->last_ip > leases[i]
+ for (; leases[i] < range_p->last_ip
&& (unsigned long) i < num_leases; i++) {
- if (range_p->first_ip > leases[i]) {
+ if (leases[i] < range_p->first_ip) {
continue;
}
/* IP with in range */
}
/* Count touched IPs */
- for (; range_p->last_ip > touches[j]
+ for (; touches[j] < range_p->last_ip
&& (unsigned long) j < num_touches; j++) {
- if (range_p->first_ip > touches[j]) {
+ if (touches[j] < range_p->first_ip) {
continue;
}
/* IP with in range */
}
/* Count backup IPs */
- if (num_backups > 0) {
- for (; range_p->last_ip > backups[m]
+ if (0 < num_backups) {
+ for (; backups[m] < range_p->last_ip
&& (unsigned long) m < num_touches; m++) {
- if (range_p->first_ip > touches[m]) {
+ if (touches[m] < range_p->first_ip) {
continue;
}
/* IP with in range */
range_p->shared_net->available += block_size;
}
- /* Reverse so that not even a one IP will be missed. */
+ /* Go backwards one step so that not even a one IP will be
+ * missed. This is possibly always unnecessary. */
if (i) {
i--;
}
range_p++;
}
- /* During count of other shared networks default network and
- * all networks got mixed to gether semantically. This fixes
- * the problem, but is not elegant. TODO: fix semantics of all
- * and default share_network. */
+ /* FIXME: During count of other shared networks default network and
+ * all networks got mixed to gether semantically. This fixes the
+ * problem, but is not elegant. */
shared_networks->available = 0;
shared_networks->used = 0;
shared_networks->touched = 0;