freebsd-dev/usr.sbin/lpr/common_source/request.c
Pedro F. Giffuni bc17d12da3 lpr: replace 0 with NULL for pointers.
Found with devel/coccinelle.

Reviewed by:	gad
2016-04-10 23:47:40 +00:00

82 lines
2.5 KiB
C

/*
* Copyright 1997 Massachusetts Institute of Technology
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby
* granted, provided that both the above copyright notice and this
* permission notice appear in all copies, that both the above
* copyright notice and this permission notice appear in all
* supporting documentation, and that the name of M.I.T. not be used
* in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission. M.I.T. makes
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
* SHALL M.I.T. 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.
*/
static const char copyright[] =
"Copyright (C) 1997, Massachusetts Institute of Technology\r\n";
#include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/param.h> /* needed for lp.h but not used here */
#include <dirent.h> /* ditto */
#include <stdio.h> /* ditto */
#include "lp.h"
#include "lp.local.h"
void
init_request(struct request *rp)
{
static struct request zero;
*rp = zero;
TAILQ_INIT(&rp->users);
TAILQ_INIT(&rp->jobids);
}
void
free_request(struct request *rp)
{
struct req_user *ru;
struct req_jobid *rj;
if (rp->logname)
free(rp->logname);
if (rp->authname)
free(rp->authname);
if (rp->prettyname)
free(rp->prettyname);
if (rp->authinfo)
free(rp->authinfo);
while ((ru = TAILQ_FIRST(&rp->users)) != NULL) {
TAILQ_REMOVE(&rp->users, ru, ru_link);
free(ru);
}
while ((rj = TAILQ_FIRST(&rp->jobids)) != NULL) {
TAILQ_REMOVE(&rp->jobids, rj, rj_link);
free(rj);
}
init_request(rp);
}