1 /*
2  * Copyright 1997 Massachusetts Institute of Technology
3  *
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
14  * warranty.
15  *
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
27  * SUCH DAMAGE.
28  */
29 
30 static const char copyright[] =
31 	"Copyright (C) 1997, Massachusetts Institute of Technology\r\n";
32 
33 #include "lp.cdefs.h"		/* A cross-platform version of <sys/cdefs.h> */
34 __FBSDID("$FreeBSD$");
35 
36 #include <sys/types.h>
37 #include <sys/stat.h>
38 
39 #include <stdlib.h>
40 #include <unistd.h>
41 
42 #include <sys/param.h>		/* needed for lp.h but not used here */
43 #include <dirent.h>		/* ditto */
44 #include <stdio.h>		/* ditto */
45 #include "lp.h"
46 #include "lp.local.h"
47 
48 void
49 init_request(struct request *rp)
50 {
51 	static struct request zero;
52 
53 	*rp = zero;
54 	TAILQ_INIT(&rp->users);
55 	TAILQ_INIT(&rp->jobids);
56 }
57 
58 void
59 free_request(struct request *rp)
60 {
61 	struct req_user *ru;
62 	struct req_jobid *rj;
63 
64 	if (rp->logname)
65 		free(rp->logname);
66 	if (rp->authname)
67 		free(rp->authname);
68 	if (rp->prettyname)
69 		free(rp->prettyname);
70 	if (rp->authinfo)
71 		free(rp->authinfo);
72 	while ((ru = TAILQ_FIRST(&rp->users)) != NULL) {
73 		TAILQ_REMOVE(&rp->users, ru, ru_link);
74 		free(ru);
75 	}
76 	while ((rj = TAILQ_FIRST(&rp->jobids)) != NULL) {
77 		TAILQ_REMOVE(&rp->jobids, rj, rj_link);
78 		free(rj);
79 	}
80 	init_request(rp);
81 }
82