#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <X11/Xlibint.h>
#include <X11/extensions/XI.h>
#include <X11/extensions/XIproto.h>
#include <X11/extensions/XInput.h>
#include <X11/extensions/extutil.h>
#include "XIint.h"
int
XGetDeviceProperty(Display* dpy, XDevice* dev,
Atom property, long offset, long length, Bool delete,
Atom req_type, Atom *actual_type, int *actual_format,
unsigned long *nitems, unsigned long *bytes_after,
unsigned char **prop)
{
xGetDevicePropertyReq *req;
xGetDevicePropertyReply rep;
long nbytes, rbytes;
XExtDisplayInfo *info = XInput_find_display(dpy);
LockDisplay(dpy);
if (_XiCheckExtInit(dpy, XInput_Initial_Release, info) == -1)
return 1;
GetReq(GetDeviceProperty, req);
req->reqType = info->codes->major_opcode;
req->ReqType = X_GetDeviceProperty;
req->deviceid = dev->device_id;
req->property = property;
req->type = req_type;
req->longOffset = offset;
req->longLength = length;
req->delete = delete;
if (!_XReply (dpy, (xReply *) &rep, 0, xFalse))
{
UnlockDisplay (dpy);
SyncHandle ();
return 1;
}
*prop = (unsigned char *) NULL;
if (rep.propertyType != None) {
switch (rep.format) {
case 8:
nbytes = rep.nItems;
rbytes = rep.nItems + 1;
if (rbytes > 0 &&
(*prop = (unsigned char *) Xmalloc ((unsigned)rbytes)))
_XReadPad (dpy, (char *) *prop, nbytes);
break;
case 16:
nbytes = rep.nItems << 1;
rbytes = rep.nItems * sizeof (short) + 1;
if (rbytes > 0 &&
(*prop = (unsigned char *) Xmalloc ((unsigned)rbytes)))
_XRead16Pad (dpy, (short *) *prop, nbytes);
break;
case 32:
nbytes = rep.nItems << 2;
rbytes = rep.nItems * sizeof (long) + 1;
if (rbytes > 0 &&
(*prop = (unsigned char *) Xmalloc ((unsigned)rbytes)))
_XRead32 (dpy, (long *) *prop, nbytes);
break;
default:
nbytes = rep.length << 2;
_XEatData(dpy, (unsigned long) nbytes);
UnlockDisplay(dpy);
SyncHandle();
return(BadImplementation);
}
if (! *prop) {
_XEatData(dpy, (unsigned long) nbytes);
UnlockDisplay(dpy);
SyncHandle();
return(BadAlloc);
}
(*prop)[rbytes - 1] = '\0';
}
*actual_type = rep.propertyType;
*actual_format = rep.format;
*nitems = rep.nItems;
*bytes_after = rep.bytesAfter;
UnlockDisplay (dpy);
SyncHandle ();
return Success;
}