1 /*
2  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 #pragma ident	"%Z%%M%	%I%	%E% SMI"
7 
8 /*
9  * Copyright 1995 by OpenVision Technologies, Inc.
10  *
11  * Permission to use, copy, modify, distribute, and sell this software
12  * and its documentation for any purpose is hereby granted without fee,
13  * provided that the above copyright notice appears in all copies and
14  * that both that copyright notice and this permission notice appear in
15  * supporting documentation, and that the name of OpenVision not be used
16  * in advertising or publicity pertaining to distribution of the software
17  * without specific, written prior permission. OpenVision makes no
18  * representations about the suitability of this software for any
19  * purpose.  It is provided "as is" without express or implied warranty.
20  *
21  * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
22  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
23  * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
24  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
25  * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
26  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
27  * PERFORMANCE OF THIS SOFTWARE.
28  */
29 
30 /*
31  * $Id: util_set.c 16165 2004-03-14 05:31:43Z raeburn $
32  */
33 
34 #include <mechglueP.h>  /* SUNW15resync - for MALLOC/FREE */
35 #include "gssapiP_generic.h"
36 
37 struct _g_set_elt {
38    void *key;
39    void *value;
40    struct _g_set_elt *next;
41 };
42 
g_set_init(g_set_elt * s)43 int g_set_init(g_set_elt *s)
44 {
45    *s = NULL;
46 
47    return(0);
48 }
49 
50 #if 0
51 int g_set_destroy(g_set_elt *s)
52 {
53    g_set next;
54 
55    while (*s) {
56       next = (*s)->next;
57       FREE(*s, sizeof(struct _g_set));
58       *s = next;
59    }
60 
61    return(0);
62 }
63 #endif
64 
g_set_entry_add(g_set_elt * s,void * key,void * value)65 int g_set_entry_add(g_set_elt *s, void *key, void *value)
66 {
67    g_set_elt first;
68 
69    if ((first = (struct _g_set_elt *) MALLOC(sizeof(struct _g_set_elt))) == NULL)
70       return(ENOMEM);
71 
72    first->key = key;
73    first->value = value;
74    first->next = *s;
75 
76    *s = first;
77 
78    return(0);
79 }
80 
g_set_entry_delete(g_set_elt * s,void * key)81 int g_set_entry_delete(g_set_elt *s, void *key)
82 {
83    g_set_elt *p;
84 
85    for (p=s; *p; p = &((*p)->next)) {
86       if ((*p)->key == key) {
87 	 g_set_elt next = (*p)->next;
88 	 FREE(*p, sizeof(struct _g_set_elt));
89 	 *p = next;
90 
91 	 return(0);
92       }
93    }
94 
95    return(-1);
96 }
97 
g_set_entry_get(g_set_elt * s,void * key,void ** value)98 int g_set_entry_get(g_set_elt *s, void *key, void **value)
99 {
100    g_set_elt p;
101 
102    for (p = *s; p; p = p->next) {
103       if (p->key == key) {
104 	 *value = p->value;
105 
106 	 return(0);
107       }
108    }
109 
110    *value = NULL;
111 
112    return(-1);
113 }
114