/*****************************************************************************
*
* This routine removes a XiaDefaults entry
*
*****************************************************************************/
HANDEL_SHARED int HANDEL_API xiaRemoveDefault(char *alias)
{
int status = XIA_SUCCESS;
XiaDefaults *prev = NULL;
XiaDefaults *current = NULL;
XiaDefaults *next = NULL;
sprintf(info_string, "Preparing to remove default w/ alias %s", alias);
xiaLogDebug("xiaRemoveDefault", info_string);
if (isListEmpty(xiaDefaultsHead))
{
status = XIA_NO_ALIAS;
sprintf(info_string, "Alias %s does not exist", alias);
xiaLogError("xiaRemoveDefault", info_string, status);
return status;
}
/* First check if this alias exists already? */
prev = NULL;
current = xiaDefaultsHead;
next = current->next;
while (next != NULL)
{
if (STREQ(alias, current->alias))
{
break;
}
/* Move to the next element */
prev = current;
current = next;
next = current->next;
}
/* Check if we found nothing */
if ((next == NULL) &&
(!STREQ(current->alias, alias)))
{
status = XIA_NO_ALIAS;
sprintf(info_string,"Alias %s does not exist.", alias);
xiaLogError("xiaRemoveDefault", info_string, status);
return status;
}
/* Check if match is the head of the list */
if (current == xiaDefaultsHead)
{
xiaDefaultsHead = next;
} else {
prev->next = next;
}
/* Free up the memory associated with this element */
xiaFreeXiaDefaults(current);
return status;
}
/*
* Initializes the XiaDefaults structure.
*/
HANDEL_STATIC int HANDEL_API xiaInitXiaDefaultsDS(void)
{
int status = XIA_SUCCESS;
XiaDefaults *next;
XiaDefaults *current = xiaDefaultsHead;
/* Search thru the XiaDefaults LL and clear them out */
while ((current != NULL) && (status == XIA_SUCCESS)) {
next = current->next;
status = xiaFreeXiaDefaults(current);
if (status != XIA_SUCCESS) {
xiaLogError("xiaInitXiaDefaultDS", "Error freeing default", status);
return status;
}
current = next;
}
/* And clear out the pointer to the head of the list(the memory is freed) */
xiaDefaultsHead = NULL;
return status;
}