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+/* $Xorg: getdctl.c,v 1.4 2001/02/09 02:04:34 xorgcvs Exp $ */
+
+/************************************************************
+
+Copyright 1989, 1998 The Open Group
+
+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.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
+
+ All Rights Reserved
+
+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 Hewlett-Packard not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+********************************************************/
+/* $XFree86: xc/programs/Xserver/Xi/getdctl.c,v 3.3 2001/01/17 22:13:24 dawes Exp $ */
+
+/********************************************************************
+ *
+ * Get Device control attributes for an extension device.
+ *
+ */
+
+#define NEED_EVENTS /* for inputstr.h */
+#define NEED_REPLIES
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h> /* for inputstr.h */
+#include <X11/Xproto.h> /* Request macro */
+#include "inputstr.h" /* DeviceIntPtr */
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include "extnsionst.h"
+#include "extinit.h" /* LookupDeviceIntRec */
+#include "exglobals.h"
+
+#include "getdctl.h"
+
+/***********************************************************************
+ *
+ * This procedure gets the control attributes for an extension device,
+ * for clients on machines with a different byte ordering than the server.
+ *
+ */
+
+int
+SProcXGetDeviceControl(client)
+ register ClientPtr client;
+ {
+ register char n;
+
+ REQUEST(xGetDeviceControlReq);
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xGetDeviceControlReq);
+ swaps(&stuff->control, n);
+ return(ProcXGetDeviceControl(client));
+ }
+
+/***********************************************************************
+ *
+ * Get the state of the specified device control.
+ *
+ */
+
+int
+ProcXGetDeviceControl(client)
+ ClientPtr client;
+ {
+ int total_length = 0;
+ char *buf, *savbuf;
+ register DeviceIntPtr dev;
+ xGetDeviceControlReply rep;
+
+ REQUEST(xGetDeviceControlReq);
+ REQUEST_SIZE_MATCH(xGetDeviceControlReq);
+
+ dev = LookupDeviceIntRec (stuff->deviceid);
+ if (dev == NULL)
+ {
+ SendErrorToClient (client, IReqCode, X_GetDeviceControl, 0,
+ BadDevice);
+ return Success;
+ }
+
+ rep.repType = X_Reply;
+ rep.RepType = X_GetDeviceControl;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ switch (stuff->control)
+ {
+ case DEVICE_RESOLUTION:
+ if (!dev->valuator)
+ {
+ SendErrorToClient (client, IReqCode, X_GetDeviceControl, 0,
+ BadMatch);
+ return Success;
+ }
+ total_length = sizeof (xDeviceResolutionState) +
+ (3 * sizeof(int) * dev->valuator->numAxes);
+ break;
+ default:
+ SendErrorToClient (client, IReqCode, X_GetDeviceControl, 0,
+ BadValue);
+ return Success;
+ }
+
+ buf = (char *) xalloc (total_length);
+ if (!buf)
+ {
+ SendErrorToClient(client, IReqCode, X_GetDeviceControl, 0,
+ BadAlloc);
+ return Success;
+ }
+ savbuf=buf;
+
+ switch (stuff->control)
+ {
+ case DEVICE_RESOLUTION:
+ CopySwapDeviceResolution(client, dev->valuator, buf,
+ total_length);
+ break;
+ default:
+ break;
+ }
+
+ rep.length = (total_length+3) >> 2;
+ WriteReplyToClient(client, sizeof(xGetDeviceControlReply), &rep);
+ WriteToClient(client, total_length, savbuf);
+ xfree (savbuf);
+ return Success;
+ }
+
+/***********************************************************************
+ *
+ * This procedure copies DeviceResolution data, swapping if necessary.
+ *
+ */
+
+void
+CopySwapDeviceResolution (client, v, buf, length)
+ ClientPtr client;
+ ValuatorClassPtr v;
+ char *buf;
+ int length;
+ {
+ register char n;
+ AxisInfoPtr a;
+ xDeviceResolutionState *r;
+ int i, *iptr;
+
+ r = (xDeviceResolutionState *) buf;
+ r->control = DEVICE_RESOLUTION;
+ r->length = length;
+ r->num_valuators = v->numAxes;
+ buf += sizeof (xDeviceResolutionState);
+ iptr = (int *) buf;
+ for (i=0,a=v->axes; i<v->numAxes; i++,a++)
+ *iptr++ = a->resolution;
+ for (i=0,a=v->axes; i<v->numAxes; i++,a++)
+ *iptr++ = a->min_resolution;
+ for (i=0,a=v->axes; i<v->numAxes; i++,a++)
+ *iptr++ = a->max_resolution;
+ if (client->swapped)
+ {
+ swaps (&r->control,n);
+ swaps (&r->length,n);
+ swapl (&r->num_valuators,n);
+ iptr = (int *) buf;
+ for (i=0; i < (3 * v->numAxes); i++,iptr++)
+ {
+ swapl (iptr,n);
+ }
+ }
+ }
+
+/***********************************************************************
+ *
+ * This procedure writes the reply for the xGetDeviceControl function,
+ * if the client and server have a different byte ordering.
+ *
+ */
+
+void
+SRepXGetDeviceControl (client, size, rep)
+ ClientPtr client;
+ int size;
+ xGetDeviceControlReply *rep;
+ {
+ register char n;
+
+ swaps(&rep->sequenceNumber, n);
+ swapl(&rep->length, n);
+ WriteToClient(client, size, (char *)rep);
+ }
+