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/*
* hostapd / VLAN definition
* Copyright (c) 2016, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "ap/vlan.h"
/* compare the two arguments, NULL is treated as empty
* return zero iff they are equal
*/
int vlan_compare(struct vlan_description *a, struct vlan_description *b)
{
int i;
const int a_empty = !a || !a->notempty;
const int b_empty = !b || !b->notempty;
if (a_empty && b_empty)
return 0;
if (a_empty || b_empty)
return 1;
if (a->untagged != b->untagged)
return 1;
for (i = 0; i < MAX_NUM_TAGGED_VLAN; i++) {
if (a->tagged[i] != b->tagged[i])
return 1;
}
return 0;
}
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