1 /*
2  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 /*
7  * lib/krb5/krb/copy_cksum.c
8  *
9  * Copyright 1990 by the Massachusetts Institute of Technology.
10  * All Rights Reserved.
11  *
12  * Export of this software from the United States of America may
13  *   require a specific license from the United States Government.
14  *   It is the responsibility of any person or organization contemplating
15  *   export to obtain such a license before exporting.
16  *
17  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
18  * distribute this software and its documentation for any purpose and
19  * without fee is hereby granted, provided that the above copyright
20  * notice appear in all copies and that both that copyright notice and
21  * this permission notice appear in supporting documentation, and that
22  * the name of M.I.T. not be used in advertising or publicity pertaining
23  * to distribution of the software without specific, written prior
24  * permission.  Furthermore if you modify this software you must label
25  * your software as modified software and not distribute it in such a
26  * fashion that it might be confused with the original M.I.T. software.
27  * M.I.T. makes no representations about the suitability of
28  * this software for any purpose.  It is provided "as is" without express
29  * or implied warranty.
30  *
31  *
32  * krb5_copy_checksum()
33  */
34 
35 #include "k5-int.h"
36 
37 /*ARGSUSED*/
38 krb5_error_code KRB5_CALLCONV
krb5_copy_checksum(krb5_context context,const krb5_checksum * ckfrom,krb5_checksum ** ckto)39 krb5_copy_checksum(krb5_context context, const krb5_checksum *ckfrom, krb5_checksum **ckto)
40 {
41     krb5_checksum *tempto;
42 
43     if (!(tempto = (krb5_checksum *)MALLOC(sizeof(*tempto))))
44 	return ENOMEM;
45     *tempto = *ckfrom;
46 
47     if (!(tempto->contents =
48 	  (krb5_octet *)MALLOC(tempto->length))) {
49 	krb5_xfree(tempto);
50 	return ENOMEM;
51     }
52     (void) memcpy((char *) tempto->contents, (char *) ckfrom->contents,
53 	   ckfrom->length);
54 
55     *ckto = tempto;
56     return 0;
57 }
58