1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
23 /* All Rights Reserved */
24
25
26 #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.8 */
27 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
28
29 #include "string.h"
30 #include "stdlib.h"
31
32 #include "lp.h"
33
34 /**
35 ** dellist() - REMOVE ITEM FROM (char **) LIST
36 **/
37
38 int
39 #if defined(__STDC__)
dellist(char *** plist,char * item)40 dellist (
41 char *** plist,
42 char * item
43 )
44 #else
45 dellist (plist, item)
46 register char ***plist,
47 *item;
48 #endif
49 {
50 register char **pl;
51
52 register int n;
53
54 if (*plist) {
55
56 n = lenlist(*plist);
57
58 for (pl = *plist; *pl; pl++)
59 if (STREQU(*pl, item))
60 break;
61
62 if (*pl) {
63 Free (*pl);
64 for (; *pl; pl++)
65 *pl = *(pl+1);
66 if (--n == 0) {
67 Free ((char *)*plist);
68 *plist = 0;
69 } else {
70 *plist = (char **)Realloc(
71 (char *)*plist,
72 (n + 1) * sizeof(char *)
73 );
74 if (!*plist) {
75 errno = ENOMEM;
76 return (-1);
77 }
78 /* (*plist)[n] = 0; */ /* done in "for" loop */
79 }
80 }
81
82 }
83
84 return (0);
85 }
86