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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* lib/krb5/krb/copy_addrs.c */
/*
* Copyright 1990 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
#include "k5-int.h"
krb5_error_code KRB5_CALLCONV
krb5_copy_addr(krb5_context context, const krb5_address *inad, krb5_address **outad)
{
krb5_address *tmpad;
if (!(tmpad = (krb5_address *)malloc(sizeof(*tmpad))))
return ENOMEM;
*tmpad = *inad;
if (!(tmpad->contents = (krb5_octet *)malloc(inad->length))) {
free(tmpad);
return ENOMEM;
}
memcpy(tmpad->contents, inad->contents, inad->length);
*outad = tmpad;
return 0;
}
/*
* Copy an address array, with fresh allocation.
*/
krb5_error_code KRB5_CALLCONV
krb5_copy_addresses(krb5_context context, krb5_address *const *inaddr, krb5_address ***outaddr)
{
krb5_error_code retval;
krb5_address ** tempaddr;
register unsigned int nelems = 0;
if (!inaddr) {
*outaddr = 0;
return 0;
}
while (inaddr[nelems]) nelems++;
/* one more for a null terminated list */
if (!(tempaddr = (krb5_address **) calloc(nelems+1, sizeof(*tempaddr))))
return ENOMEM;
for (nelems = 0; inaddr[nelems]; nelems++) {
retval = krb5_copy_addr(context, inaddr[nelems], &tempaddr[nelems]);
if (retval) {
krb5_free_addresses(context, tempaddr);
return retval;
}
}
*outaddr = tempaddr;
return 0;
}
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