1 /* $OpenBSD: ypexclude.c,v 1.2 2015/08/20 21:49:29 deraadt Exp $ */
2 /*
3 * Copyright (c) 2008 Theo de Raadt
4 * Copyright (c) 1995, 1996, Jason Downs. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the University of California nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #include <stdlib.h>
32 #include <string.h>
33 #include "ypexclude.h"
34
35 int
__ypexclude_add(struct _ypexclude ** headp,const char * name)36 __ypexclude_add(struct _ypexclude **headp, const char *name)
37 {
38 struct _ypexclude *new;
39
40 if (name[0] == '\0') /* skip */
41 return (0);
42
43 new = malloc(sizeof(struct _ypexclude));
44 if (new == NULL)
45 return (1);
46 new->name = strdup(name);
47 if (new->name == NULL) {
48 free(new);
49 return (1);
50 }
51
52 new->next = *headp;
53 *headp = new;
54 return (0);
55 }
56
57 int
__ypexclude_is(struct _ypexclude ** headp,const char * name)58 __ypexclude_is(struct _ypexclude **headp, const char *name)
59 {
60 struct _ypexclude *curr;
61
62 for (curr = *headp; curr; curr = curr->next) {
63 if (strcmp(curr->name, name) == 0)
64 return (1); /* excluded */
65 }
66 return (0);
67 }
68
69 void
__ypexclude_free(struct _ypexclude ** headp)70 __ypexclude_free(struct _ypexclude **headp)
71 {
72 struct _ypexclude *curr, *next;
73
74 for (curr = *headp; curr; curr = next) {
75 next = curr->next;
76 free((void *)curr->name);
77 free(curr);
78 }
79 *headp = NULL;
80 }
81