xref: /freebsd/crypto/heimdal/lib/asn1/der_copy.c (revision c17d43407fe04133a94055b0dbc7ea8965654a9f)
1 /*
2  * Copyright (c) 1997 - 2001 Kungliga Tekniska H�gskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
4  * 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  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Institute nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include "der_locl.h"
35 
36 RCSID("$Id: der_copy.c,v 1.9 2001/09/25 13:39:25 assar Exp $");
37 
38 int
39 copy_general_string (const general_string *from, general_string *to)
40 {
41     *to = malloc(strlen(*from) + 1);
42     if(*to == NULL)
43 	return ENOMEM;
44     strcpy(*to, *from);
45     return 0;
46 }
47 
48 int
49 copy_octet_string (const octet_string *from, octet_string *to)
50 {
51     to->length = from->length;
52     to->data   = malloc(to->length);
53     if(to->length != 0 && to->data == NULL)
54 	return ENOMEM;
55     memcpy(to->data, from->data, to->length);
56     return 0;
57 }
58 
59 int
60 copy_oid (const oid *from, oid *to)
61 {
62     to->length     = from->length;
63     to->components = malloc(to->length * sizeof(*to->components));
64     if (to->length != 0 && to->components == NULL)
65 	return ENOMEM;
66     memcpy(to->components, from->components, to->length);
67     return 0;
68 }
69