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Xext: saver: use explicit switch/case for dispatching 

It's more robust / easier understandable programming style to use explicit
switch statements, case'ing on the constants defined in the protocol header,
instead of implicitly via a some opaque call table. It's also done this
way in the other extensions, so making the code a bit more consistent.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1591>
This commit is contained in:
Enrico Weigelt, metux IT consult 2024-07-08 12:42:07 +02:00 committed by Marge Bot
parent 40469a9d51
commit 8236ef3b56
1 changed files with 32 additions and 22 deletions
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50
Xext/saver.c
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@ -1247,21 +1247,26 @@ ProcScreenSaverSuspend(ClientPtr client)
return Success;
}
static int (*NormalVector[]) (ClientPtr /* client */ ) = {
ProcScreenSaverQueryVersion,
ProcScreenSaverQueryInfo,
ProcScreenSaverSelectInput,
ProcScreenSaverSetAttributes,
ProcScreenSaverUnsetAttributes, ProcScreenSaverSuspend,};
static int
ProcScreenSaverDispatch(ClientPtr client)
{
REQUEST(xReq);
if (stuff->data < ARRAY_SIZE(NormalVector))
return (*NormalVector[stuff->data]) (client);
switch (stuff->data) {
case X_ScreenSaverQueryVersion:
return ProcScreenSaverQueryVersion(client);
case X_ScreenSaverQueryInfo:
return ProcScreenSaverQueryInfo(client);
case X_ScreenSaverSelectInput:
return ProcScreenSaverSelectInput(client);
case X_ScreenSaverSetAttributes:
return ProcScreenSaverSetAttributes(client);
case X_ScreenSaverUnsetAttributes:
return ProcScreenSaverUnsetAttributes(client);
case X_ScreenSaverSuspend:
return ProcScreenSaverSuspend(client);
default:
return BadRequest;
}
}
static int _X_COLD
@ -1318,21 +1323,26 @@ SProcScreenSaverSuspend(ClientPtr client)
return ProcScreenSaverSuspend(client);
}
static int (*SwappedVector[]) (ClientPtr /* client */ ) = {
ProcScreenSaverQueryVersion,
SProcScreenSaverQueryInfo,
SProcScreenSaverSelectInput,
SProcScreenSaverSetAttributes,
SProcScreenSaverUnsetAttributes, SProcScreenSaverSuspend,};
static int _X_COLD
SProcScreenSaverDispatch(ClientPtr client)
{
REQUEST(xReq);
if (stuff->data < ARRAY_SIZE(NormalVector))
return (*SwappedVector[stuff->data]) (client);
switch (stuff->data) {
case X_ScreenSaverQueryVersion:
return ProcScreenSaverQueryVersion(client);
case X_ScreenSaverQueryInfo:
return SProcScreenSaverQueryInfo(client);
case X_ScreenSaverSelectInput:
return SProcScreenSaverSelectInput(client);
case X_ScreenSaverSetAttributes:
return SProcScreenSaverSetAttributes(client);
case X_ScreenSaverUnsetAttributes:
return SProcScreenSaverUnsetAttributes(client);
case X_ScreenSaverSuspend:
return SProcScreenSaverSuspend(client);
default:
return BadRequest;
}
}
void