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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* lib/krb5/krb/etype_list.c */
/*
* Copyright (C) 2010 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.
*/
/*
*
* Helper functions related to zero-terminated lists of enctypes.
*/
#include "k5-int.h"
#include "int-proto.h"
size_t
krb5int_count_etypes(const krb5_enctype *list)
{
size_t count;
for (count = 0; list[count]; count++);
return count;
}
/* Copy the zero-terminated enctype list old_list into *new_list. */
krb5_error_code
krb5int_copy_etypes(const krb5_enctype *old_list, krb5_enctype **new_list)
{
size_t count;
krb5_enctype *list;
*new_list = NULL;
count = krb5int_count_etypes(old_list);
list = malloc(sizeof(krb5_enctype) * (count + 1));
if (list == NULL)
return ENOMEM;
memcpy(list, old_list, sizeof(krb5_enctype) * (count + 1));
*new_list = list;
return 0;
}
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