//////////////////////////////////////////////////////////////////////
// Add an item to the end of its "priority group"
// The list is assumed to be sorted already...
int
LL_PriorityEnqueue (LinkedList * list, void *add, int compare (void *, void *))
{
void *data;
int i;
if (!list)
return -1;
if (!add)
return -1;
if (!compare)
return -1;
// From the end of the list, keep searching while we're "less than"
// the given nodes...
LL_End (list);
do {
data = LL_Get (list);
if (data) {
i = compare (add, data);
if (i >= 0) // If we're in the right place, add it and exit
{
LL_AddNode (list, add);
return 0;
}
}
} while (LL_Prev (list) == 0);
// If we're less than *everything*, put it at the beginning
LL_Unshift (list, add);
return 0;
}
//////////////////////////////////////////////////////////////////////
// Stack operations
int
LL_Push (LinkedList * list, void *add) // Add node to end of list
{
if (!list)
return -1;
if (!add)
return -1;
// printf("Going to end of list...\n");
LL_End (list);
// printf("Adding node...\n");
return LL_AddNode (list, add);
}
/**
* Initialize the driver.
* \param drvthis Pointer to driver structure.
* \retval 0 Success.
* \retval <0 Error.
*/
MODULE_EXPORT int
linuxInput_init (Driver *drvthis)
{
PrivateData *p;
const char *s;
struct keycode *key;
int i;
/* Allocate and store private data */
p = (PrivateData *) calloc(1, sizeof(PrivateData));
if (p == NULL)
return -1;
if (drvthis->store_private_ptr(drvthis, p))
return -1;
/* initialize private data */
p->fd = -1;
if ((p->buttonmap = LL_new()) == NULL) {
report(RPT_ERR, "%s: cannot allocate memory for buttons", drvthis->name);
return -1;
}
/* Read config file */
/* What device should be used */
s = drvthis->config_get_string(drvthis->name, "Device", 0,
LINUXINPUT_DEFAULT_DEVICE);
report(RPT_INFO, "%s: using Device %s", drvthis->name, s);
if ((p->fd = open(s, O_RDONLY | O_NONBLOCK)) < 0) {
report(RPT_ERR, "%s: open(%s) failed (%s)",
drvthis->name, s, strerror(errno));
return -1;
}
for (i = 0; (s = drvthis->config_get_string(drvthis->name, "key", i, NULL)) != NULL; i++) {
if ((key = keycode_create(s)) == NULL) {
report(RPT_ERR, "%s: parsing configvalue '%s' failed",
drvthis->name, s);
continue;
}
LL_AddNode(p->buttonmap, key);
}
report(RPT_DEBUG, "%s: init() done", drvthis->name);
return 0;
}
