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  */
  32
  33 #include <sys/types.h>
  34 #include <sys/stat.h>
  35
  36 #include <stdlib.h>
  37 #include <unistd.h>
  38
  39 #include <sys/param.h>          /* needed for lp.h but not used here */
  40 #include <dirent.h>             /* ditto */
  41 #include <stdio.h>              /* ditto */
  42 #include "lp.h"
  43 #include "lp.local.h"
  44
  45 void
  46 init_request(struct request *rp)
  47 {
  48         static struct request zero;
  49
  50         *rp = zero;
  51         TAILQ_INIT(&rp->users);
  52         TAILQ_INIT(&rp->jobids);
  53 }
  54
  55 void
  56 free_request(struct request *rp)
  57 {
  58         struct req_user *ru;
  59         struct req_jobid *rj;
  60
  61         if (rp->logname)
  62                 free(rp->logname);
  63         if (rp->authname)
  64                 free(rp->authname);
  65         if (rp->prettyname)
  66                 free(rp->prettyname);
  67         if (rp->authinfo)
  68                 free(rp->authinfo);
  69         while ((ru = TAILQ_FIRST(&rp->users)) != NULL) {
  70                 TAILQ_REMOVE(&rp->users, ru, ru_link);
  71                 free(ru);
  72         }
  73         while ((rj = TAILQ_FIRST(&rp->jobids)) != NULL) {
  74                 TAILQ_REMOVE(&rp->jobids, rj, rj_link);
  75                 free(rj);
  76         }
  77         init_request(rp);
  78 }