usr.sbin/lpr/common_source/request.c

   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  * @(#) Copyright (C) 1997, Massachusetts Institute of Technology
  30  * $FreeBSD: src/usr.sbin/lpr/common_source/request.c,v 1.2.2.1 2001/06/12 16:40:57 gad Exp $
  31  * $DragonFly: src/usr.sbin/lpr/common_source/request.c,v 1.2 2003/06/17 04:29:56 dillon Exp $
  32  */
  33
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  36
  37 #include <stdlib.h>
  38 #include <unistd.h>
  39
  40 #include <sys/param.h>          /* needed for lp.h but not used here */
  41 #include <dirent.h>             /* ditto */
  42 #include <stdio.h>              /* ditto */
  43 #include "lp.h"
  44 #include "lp.local.h"
  45
  46 void
  47 init_request(struct request *rp)
  48 {
  49         static struct request zero;
  50
  51         *rp = zero;
  52         TAILQ_INIT(&rp->users);
  53         TAILQ_INIT(&rp->jobids);
  54 }
  55
  56 void
  57 free_request(struct request *rp)
  58 {
  59         struct req_user *ru;
  60         struct req_jobid *rj;
  61
  62         if (rp->logname)
  63                 free(rp->logname);
  64         if (rp->authname)
  65                 free(rp->authname);
  66         if (rp->prettyname)
  67                 free(rp->prettyname);
  68         if (rp->authinfo)
  69                 free(rp->authinfo);
  70         while ((ru = TAILQ_FIRST(&rp->users)) != 0) {
  71                 TAILQ_REMOVE(&rp->users, ru, ru_link);
  72                 free(ru);
  73         }
  74         while ((rj = TAILQ_FIRST(&rp->jobids)) != 0) {
  75                 TAILQ_REMOVE(&rp->jobids, rj, rj_link);
  76                 free(rj);
  77         }
  78         init_request(rp);
  79 }