2 * Copyright 1997 Massachusetts Institute of Technology
4 * Permission to use, copy, modify, and distribute this software and
5 * its documentation for any purpose and without fee is hereby
6 * granted, provided that both the above copyright notice and this
7 * permission notice appear in all copies, that both the above
8 * copyright notice and this permission notice appear in all
9 * supporting documentation, and that the name of M.I.T. not be used
10 * in advertising or publicity pertaining to distribution of the
11 * software without specific, written prior permission. M.I.T. makes
12 * no representations about the suitability of this software for any
13 * purpose. It is provided "as is" without express or implied
16 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
17 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
20 * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
26 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 static const char copyright[] =
31 "Copyright (C) 1997, Massachusetts Institute of Technology\r\n";
33 #include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */
34 __FBSDID("$FreeBSD$");
36 #include <sys/types.h>
42 #include <sys/param.h> /* needed for lp.h but not used here */
43 #include <dirent.h> /* ditto */
44 #include <stdio.h> /* ditto */
49 init_request(struct request *rp)
51 static struct request zero;
54 TAILQ_INIT(&rp->users);
55 TAILQ_INIT(&rp->jobids);
59 free_request(struct request *rp)
72 while ((ru = TAILQ_FIRST(&rp->users)) != 0) {
73 TAILQ_REMOVE(&rp->users, ru, ru_link);
76 while ((rj = TAILQ_FIRST(&rp->jobids)) != 0) {
77 TAILQ_REMOVE(&rp->jobids, rj, rj_link);