/*.......................................................................
* Delete a HashTable free-list. An error will be displayed if the list is
* still in use and the deletion will be aborted.
*
* Input:
* mem HashMemory * The free-list container to be deleted.
* force int If force==0 then _del_HashMemory() will complain
* and refuse to delete the free-list if any
* of nodes have not been returned to the free-list.
* If force!=0 then _del_HashMemory() will not check
* whether any nodes are still in use and will
* always delete the list.
* Output:
* return HashMemory * Always NULL (even if the memory could not be
* deleted).
*/
HashMemory *_del_HashMemory(HashMemory *mem, int force)
{
if(mem) {
if(!force && (_busy_FreeListNodes(mem->hash_memory) > 0 ||
_busy_FreeListNodes(mem->node_memory) > 0)) {
errno = EBUSY;
return NULL;
};
mem->hash_memory = _del_FreeList(mem->hash_memory, force);
mem->node_memory = _del_FreeList(mem->node_memory, force);
mem->string_memory = _del_StringMem(mem->string_memory, force);
free(mem);
};
return NULL;
}
/*.......................................................................
* Delete a string free-list.
*
* Input:
* sm StringMem * The string free-list to be deleted, or NULL.
* force int If force==0 then _del_StringMem() will complain
* and refuse to delete the free-list if any
* of nodes have not been returned to the free-list.
* If force!=0 then _del_StringMem() will not check
* whether any nodes are still in use and will
* always delete the list.
* Output:
* return StringMem * Always NULL (even if the list couldn't be
* deleted).
*/
StringMem *_del_StringMem(StringMem *sm, int force)
{
if(sm) {
/*
* Check whether any strings have not been returned to the free-list.
*/
if(!force && (sm->nmalloc > 0 || _busy_FreeListNodes(sm->fl) > 0)) {
errno = EBUSY;
return NULL;
};
/*
* Delete the free-list.
*/
sm->fl = _del_FreeList(sm->fl, force);
/*
* Delete the container.
*/
free(sm);
};
return NULL;
}