xref: /freebsd/crypto/heimdal/lib/asn1/der_copy.c (revision bbd80c285ead4d04e4b8b9e950164352819694ba)

/*
 * Copyright (c) 1997 - 2001 Kungliga Tekniska H�gskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "der_locl.h"

RCSID("$Id: der_copy.c,v 1.10 2003/04/17 07:13:08 lha Exp $");

int
copy_general_string (const general_string *from, general_string *to)
{
    *to = strdup(*from);
    if(*to == NULL)
	return ENOMEM;
    return 0;
}

int
copy_octet_string (const octet_string *from, octet_string *to)
{
    to->length = from->length;
    to->data   = malloc(to->length);
    if(to->length != 0 && to->data == NULL)
	return ENOMEM;
    memcpy(to->data, from->data, to->length);
    return 0;
}

int
copy_oid (const oid *from, oid *to)
{
    to->length     = from->length;
    to->components = malloc(to->length * sizeof(*to->components));
    if (to->length != 0 && to->components == NULL)
	return ENOMEM;
    memcpy(to->components, from->components, to->length);
    return 0;
}