delfilter.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.7 */
/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
#include "errno.h"
#include "string.h"
#include "stdlib.h"
#include "lp.h"
#include "filters.h"
/**
** delfilter() - DELETE A FILTER FROM FILTER TABLE
**/
int
#if defined(__STDC__)
delfilter (
char * name
)
#else
delfilter (name)
char *name;
#endif
{
register _FILTER *pf;
if (!name || !*name) {
errno = EINVAL;
return (-1);
}
if (STREQU(NAME_ALL, name)) {
trash_filters ();
goto Done;
}
/*
* Don't need to check for ENOENT, because if it is set,
* well that's what we want to return anyway!
*/
if (!filters && get_and_load() == -1 /* && errno != ENOENT */ )
return (-1);
if (!(pf = search_filter(name))) {
errno = ENOENT;
return (-1);
}
free_filter (pf);
for (; pf->name; pf++)
*pf = *(pf+1);
nfilters--;
filters = (_FILTER *)Realloc(
(char *)filters, (nfilters + 1) * sizeof(_FILTER)
);
if (!filters) {
errno = ENOMEM;
return (-1);
}
/* filters[nfilters].name = 0; */ /* last for loop above did this */
Done: return (dumpfilters((char *)0));
}