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Replace some input devPrivates with regular struct fields

Browse source 
In the process, fixes a memory leak in CloseDevice, and an unchecked
memory allocation in InitializePredictableAccelerationProperties.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
This commit is contained in:
Keith Packard 2010-04-29 12:24:49 -07:00
commit 65e961fcc1
6 changed files with 47 additions and 92 deletions
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31
dix/ptrveloc.c
View file

@ -83,8 +83,6 @@ GetAccelerationProfile(DeviceVelocityPtr vel, int profile_num);
/* some int which is not a profile number */
#define PROFILE_UNINITIALIZE (-100)
/* number of properties for predictable acceleration */
#define NPROPS_PREDICTABLE_ACCEL 4
/**
* Init struct so it should match the average case
@ -323,26 +321,18 @@ AccelInitScaleProperty(DeviceIntPtr dev, DeviceVelocityPtr vel)
return XIRegisterPropertyHandler(dev, AccelSetScaleProperty, NULL, NULL);
}
static int AccelPropHandlerPrivateKeyIndex;
DevPrivateKey AccelPropHandlerPrivateKey = &AccelPropHandlerPrivateKeyIndex;
BOOL
InitializePredictableAccelerationProperties(DeviceIntPtr dev)
{
DeviceVelocityPtr vel = GetDevicePredictableAccelData(dev);
long *prop_handlers;
if(!vel)
return FALSE;
prop_handlers = xalloc(NPROPS_PREDICTABLE_ACCEL * sizeof(long));
prop_handlers[0] = AccelInitProfileProperty(dev, vel);
prop_handlers[1] = AccelInitDecelProperty(dev, vel);
prop_handlers[2] = AccelInitAdaptDecelProperty(dev, vel);
prop_handlers[3] = AccelInitScaleProperty(dev, vel);
dixSetPrivate(&dev->devPrivates, AccelPropHandlerPrivateKey,
prop_handlers);
vel->prop_handlers[0] = AccelInitProfileProperty(dev, vel);
vel->prop_handlers[1] = AccelInitDecelProperty(dev, vel);
vel->prop_handlers[2] = AccelInitAdaptDecelProperty(dev, vel);
vel->prop_handlers[3] = AccelInitScaleProperty(dev, vel);
return TRUE;
}
@ -350,8 +340,8 @@ InitializePredictableAccelerationProperties(DeviceIntPtr dev)
BOOL
DeletePredictableAccelerationProperties(DeviceIntPtr dev)
{
DeviceVelocityPtr vel;
Atom prop;
long *prop_handlers;
int i;
prop = XIGetKnownProperty(ACCEL_PROP_VELOCITY_SCALING);
@ -363,13 +353,10 @@ DeletePredictableAccelerationProperties(DeviceIntPtr dev)
prop = XIGetKnownProperty(ACCEL_PROP_PROFILE_NUMBER);
XIDeleteDeviceProperty(dev, prop, FALSE);
prop_handlers = dixLookupPrivate(&dev->devPrivates,
AccelPropHandlerPrivateKey);
dixSetPrivate(&dev->devPrivates, AccelPropHandlerPrivateKey, NULL);
for (i = 0; prop_handlers && i < NPROPS_PREDICTABLE_ACCEL; i++)
XIUnregisterPropertyHandler(dev, prop_handlers[i]);
xfree(prop_handlers);
vel = GetDevicePredictableAccelData(dev);
for (i = 0; vel && i < NPROPS_PREDICTABLE_ACCEL; i++)
if (vel->prop_handlers[i])
XIUnregisterPropertyHandler(dev, vel->prop_handlers[i]);
return TRUE;
}