libvirt/src/util/virnetdevvlan.c
Peter Krempa c0abcca417 util: Don't include 'viralloc.h' into other header files
'viralloc.h' does not provide any type or macro which would be necessary
in headers. Prevent leakage of the inclusion.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-04-10 09:12:04 +02:00

96 lines
2.4 KiB
C

/*
* Copyright (C) 2009-2013 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "internal.h"
#include "virerror.h"
#include "virnetdevvlan.h"
#include "viralloc.h"
#define VIR_FROM_THIS VIR_FROM_NONE
void
virNetDevVlanClear(virNetDevVlanPtr vlan)
{
VIR_FREE(vlan->tag);
vlan->nTags = 0;
vlan->nativeMode = 0;
vlan->nativeTag = 0;
}
void
virNetDevVlanFree(virNetDevVlanPtr vlan)
{
if (vlan)
virNetDevVlanClear(vlan);
VIR_FREE(vlan);
}
int
virNetDevVlanEqual(const virNetDevVlan *a, const virNetDevVlan *b)
{
int ai, bi;
if (!(a || b))
return true;
if (!a || !b)
return false;
if (a->trunk != b->trunk ||
a->nTags != b->nTags ||
a->nativeMode != b->nativeMode ||
a->nativeTag != b->nativeTag) {
return false;
}
for (ai = 0; ai < a->nTags; ai++) {
for (bi = 0; bi < b->nTags; bi++) {
if (a->tag[ai] == b->tag[bi])
break;
}
if (bi >= b->nTags) {
/* no matches for a->tag[ai] anywhere in b->tag */
return false;
}
}
return true;
}
/*
* virNetDevVlanCopy - copy from src into (already existing) dst.
* If src is NULL, dst will have nTags set to 0.
* dst is assumed to be empty on entry.
*/
int
virNetDevVlanCopy(virNetDevVlanPtr dst, const virNetDevVlan *src)
{
if (!src || src->nTags == 0)
return 0;
if (VIR_ALLOC_N(dst->tag, src->nTags) < 0)
return -1;
dst->trunk = src->trunk;
dst->nTags = src->nTags;
dst->nativeMode = src->nativeMode;
dst->nativeTag = src->nativeTag;
memcpy(dst->tag, src->tag, src->nTags * sizeof(*src->tag));
return 0;
}