/*
* Setup and teardown
*/
void
dixResetRegistry(void)
{
ExtensionEntry extEntry;
/* Free all memory */
while (nmajor--) {
while (nminor[nmajor])
free(requests[nmajor][--nminor[nmajor]]);
xfree(requests[nmajor]);
}
xfree(requests);
xfree(nminor);
while (nevent--)
free(events[nevent]);
xfree(events);
while (nerror--)
free(errors[nerror]);
xfree(errors);
xfree(resources);
requests = NULL;
nminor = NULL;
events = NULL;
errors = NULL;
resources = NULL;
nmajor = nevent = nerror = nresource = 0;
/* Open the protocol file */
if (fh)
fclose(fh);
fh = fopen(FILENAME, "r");
if (!fh)
LogMessage(X_WARNING, "Failed to open protocol names file " FILENAME);
/* Add built-in resources */
RegisterResourceName(RT_NONE, "NONE");
RegisterResourceName(RT_WINDOW, "WINDOW");
RegisterResourceName(RT_PIXMAP, "PIXMAP");
RegisterResourceName(RT_GC, "GC");
RegisterResourceName(RT_FONT, "FONT");
RegisterResourceName(RT_CURSOR, "CURSOR");
RegisterResourceName(RT_COLORMAP, "COLORMAP");
RegisterResourceName(RT_CMAPENTRY, "COLORMAP ENTRY");
RegisterResourceName(RT_OTHERCLIENT, "OTHER CLIENT");
RegisterResourceName(RT_PASSIVEGRAB, "PASSIVE GRAB");
/* Add the core protocol */
memset(&extEntry, 0, sizeof(extEntry));
extEntry.name = CORE;
RegisterExtensionNames(&extEntry);
}
ExtensionEntry *
AddExtension(const char *name, int NumEvents, int NumErrors,
int (*MainProc)(ClientPtr c1),
int (*SwappedMainProc)(ClientPtr c2),
void (*CloseDownProc)(ExtensionEntry *e),
unsigned short (*MinorOpcodeProc)(ClientPtr c3))
{
int i;
ExtensionEntry *ext, **newexts;
if (!MainProc || !SwappedMainProc || !MinorOpcodeProc)
return((ExtensionEntry *) NULL);
if ((lastEvent + NumEvents > MAXEVENTS) ||
(unsigned)(lastError + NumErrors > LAST_ERROR)) {
LogMessage(X_ERROR, "Not enabling extension %s: maximum number of "
"events or errors exceeded.\n", name);
return((ExtensionEntry *) NULL);
}
ext = calloc(sizeof (ExtensionEntry), 1);
if (!ext)
return NULL;
if (!dixAllocatePrivates(&ext->devPrivates, PRIVATE_EXTENSION)) {
free(ext);
return NULL;
}
ext->name = strdup(name);
ext->num_aliases = 0;
ext->aliases = (char **)NULL;
if (!ext->name)
{
dixFreePrivates(ext->devPrivates, PRIVATE_EXTENSION);
free(ext);
return((ExtensionEntry *) NULL);
}
i = NumExtensions;
newexts = (ExtensionEntry **) realloc(extensions,
(i + 1) * sizeof(ExtensionEntry *));
if (!newexts)
{
free(ext->name);
dixFreePrivates(ext->devPrivates, PRIVATE_EXTENSION);
free(ext);
return((ExtensionEntry *) NULL);
}
NumExtensions++;
extensions = newexts;
extensions[i] = ext;
ext->index = i;
ext->base = i + EXTENSION_BASE;
ext->CloseDown = CloseDownProc;
ext->MinorOpcode = MinorOpcodeProc;
ProcVector[i + EXTENSION_BASE] = MainProc;
SwappedProcVector[i + EXTENSION_BASE] = SwappedMainProc;
if (NumEvents)
{
ext->eventBase = lastEvent;
ext->eventLast = lastEvent + NumEvents;
lastEvent += NumEvents;
}
else
{
ext->eventBase = 0;
ext->eventLast = 0;
}
if (NumErrors)
{
ext->errorBase = lastError;
ext->errorLast = lastError + NumErrors;
lastError += NumErrors;
}
else
{
ext->errorBase = 0;
ext->errorLast = 0;
}
RegisterExtensionNames(ext);
return ext;
}
