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dix: add AllocGrab helper function 

Not needed since the GrabRec is a self-contained struct but will be needed
for the xi2 input mask rework.
FreeGrab already exists, make it available to other callers.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
This commit is contained in:
Peter Hutterer 2011-11-03 16:12:09 +10:00
parent 7af23259d8
commit 347f377f3b
2 changed files with 13 additions and 2 deletions
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12
dix/grabs.c
View File

@ -180,6 +180,14 @@ UngrabAllDevices(Bool kill_client)
ErrorF("End list of ungrabbed devices\n"); ErrorF("End list of ungrabbed devices\n");
} }
GrabPtr
AllocGrab(void)
{
GrabPtr grab = calloc(1, sizeof(GrabRec));
return grab;
}
GrabPtr GrabPtr
CreateGrab( CreateGrab(
int client, int client,
@ -196,7 +204,7 @@ CreateGrab(
{ {
GrabPtr grab; GrabPtr grab;
grab = calloc(1, sizeof(GrabRec)); grab = AllocGrab();
if (!grab) if (!grab)
return (GrabPtr)NULL; return (GrabPtr)NULL;
grab->resource = FakeClientID(client); grab->resource = FakeClientID(client);
@ -226,7 +234,7 @@ CreateGrab(
} }
static void void
FreeGrab(GrabPtr pGrab) FreeGrab(GrabPtr pGrab)
{ {
free(pGrab->modifiersDetail.pMask); free(pGrab->modifiersDetail.pMask);

3
include/dixgrabs.h
View File

@ -31,6 +31,9 @@ struct _GrabParameters;
extern void PrintDeviceGrabInfo(DeviceIntPtr dev); extern void PrintDeviceGrabInfo(DeviceIntPtr dev);
extern void UngrabAllDevices(Bool kill_client); extern void UngrabAllDevices(Bool kill_client);
extern GrabPtr AllocGrab(void);
extern void FreeGrab(GrabPtr grab);
extern GrabPtr CreateGrab( extern GrabPtr CreateGrab(
int /* client */, int /* client */,
DeviceIntPtr /* device */, DeviceIntPtr /* device */,