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/*
* Copyright (c) 1999 - 2001 Kungliga Tekniska Högskolan
* (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 "krb5_locl.h"
RCSID("$Id: copy_host_realm.c,v 1.5 2004/05/25 21:21:17 lha Exp $");
/*
* Copy the list of realms from `from' to `to'.
*/
krb5_error_code KRB5_LIB_FUNCTION
krb5_copy_host_realm(krb5_context context,
const krb5_realm *from,
krb5_realm **to)
{
int n, i;
const krb5_realm *p;
for (n = 0, p = from; *p != NULL; ++p)
++n;
++n;
*to = malloc (n * sizeof(**to));
if (*to == NULL) {
krb5_set_error_string (context, "malloc: out of memory");
return ENOMEM;
}
for (i = 0; i < n; ++i)
(*to)[i] = NULL;
for (i = 0, p = from; *p != NULL; ++p, ++i) {
(*to)[i] = strdup(*p);
if ((*to)[i] == NULL) {
krb5_free_host_realm (context, *to);
krb5_set_error_string (context, "malloc: out of memory");
return ENOMEM;
}
}
return 0;
}
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