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/*
* Copyright 1993 Network Computing Devices, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, 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 Network Computing Devices, Inc. not be
* used in advertising or publicity pertaining to distribution of this
* software without specific, written prior permission.
*
* THIS SOFTWARE IS PROVIDED 'AS-IS'. NETWORK COMPUTING DEVICES, INC.,
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT
* LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NONINFRINGEMENT. IN NO EVENT SHALL NETWORK
* COMPUTING DEVICES, INC., BE LIABLE FOR ANY DAMAGES WHATSOEVER, INCLUDING
* SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOSS OF USE, DATA,
* OR PROFITS, EVEN IF ADVISED OF THE POSSIBILITY THEREOF, AND REGARDLESS OF
* WHETHER IN AN ACTION IN CONTRACT, TORT OR NEGLIGENCE, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $NCDId: @(#)GetDevAttr.c,v 1.6 1994/04/07 20:41:53 greg Exp $
*/
#include "Alibint.h"
AuDeviceAttributes *
AuGetDeviceAttributes(
AuServer *aud,
AuDeviceID device,
AuStatus *ret_status
)
{
register auResourceReq *req;
auGetDeviceAttributesReply rep;
auDeviceAttributes a;
AuDeviceAttributes *attr;
if (ret_status)
*ret_status = AuSuccess;
_AuLockServer();
_AuGetResReq(GetDeviceAttributes, device, req, aud);
(void) _AuReply(aud, (auReply *) & rep, 0, auFalse, ret_status);
_AuReadPad(aud, (char *) &a, SIZEOF(auDeviceAttributes));
if (!(attr = (AuDeviceAttributes *)
Aucalloc(1, sizeof(AuDeviceAttributes))))
{
_AuUnlockServer();
_AuSyncHandle(aud);
return NULL;
}
_xferDeviceAttributes(&a, *attr);
if ((AuDeviceValueMask(attr) & AuCompCommonDescriptionMask) &&
AuDeviceDescription(attr)->len)
{
if (!(AuDeviceDescription(attr)->data = (char *)
Aumalloc(AuDeviceDescription(attr)->len + 1)))
{
AuFreeDeviceAttributes(aud, 1, attr);
_AuUnlockServer();
_AuSyncHandle(aud);
return NULL;
}
_AuReadPad(aud, AuDeviceDescription(attr)->data,
AuDeviceDescription(attr)->len);
AuDeviceDescription(attr)->data[AuDeviceDescription(attr)->len] = 0;
}
if ((AuDeviceValueMask(attr) & AuCompDeviceChildrenMask) &&
AuDeviceNumChildren(attr))
{
if (!(AuDeviceChildren(attr) = (AuDeviceID *)
Aumalloc(AuDeviceNumChildren(attr) * sizeof(AuDeviceID))))
{
AuFreeDeviceAttributes(aud, 1, attr);
_AuUnlockServer();
_AuSyncHandle(aud);
return NULL;
}
_AuReadPad(aud, (char *) AuDeviceChildren(attr),
AuDeviceNumChildren(attr) * sizeof(AuDeviceID));
}
_AuUnlockServer();
_AuSyncHandle(aud);
return attr;
}
/* ARGSUSED */
void
AuFreeDeviceAttributes(
AuServer *aud,
int num,
AuDeviceAttributes *attr
)
{
AuDeviceAttributes *p = attr;
while (num--)
{
if (AuDeviceDescription(p)->data)
Aufree(AuDeviceDescription(p)->data);
if (AuDeviceChildren(p))
Aufree(AuDeviceChildren(p));
p++;
}
Aufree(attr);
}
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