/* --- Function: void search_node(Slist lst) --- */
void search_node(Slist lst)
{
int tmp;
char mess[BUFSIZ];
do
{
my_clearscrn();
printf("--- SEARCH NODE ---\n");
printf("\nCurrent list status(%d nodes): ", SLISTsize(lst));
SLISTtraverse(lst, print, SLIST_FWD);
tmp = read_int("\nEnter keydata for node to be found (-1=Quit): ", 0, 0);
if (tmp == -1)
break;
if (SLISTfindnode(lst, &tmp) == NULL) /* Node not found.. */
{
sprintf(mess, "Node %d NOT found..!", tmp);
prompt_and_pause(mess);
}
else
{
/* Search succesful - notify user.. */
sprintf(mess, "Node %d FOUND!", tmp);
prompt_and_pause(mess);
}
} while (TRUE);
}
int CHTBLlookup(const CHtbl htbl, void **data)
{
int bucket;
SlistNode tmpnode;
/* Hash the key */
bucket = htbl->h(*data) % htbl->buckets;
if ((tmpnode = SLISTfindnode(htbl->table[bucket], *data))) /* Data found */
{
*data = SLISTdata(tmpnode); /* Pass data back to caller */
return 0;
}
return -1;
}
/* --- Function: void ins_nodes(Slist list) --- */
void ins_nodes(Slist list)
{
int tmp, *pi;
SlistNode node;
char mess[BUFSIZ];
do
{
my_clearscrn();
printf("--- ADD NODE - WITH DATA=99 - AFTER USER-SPECIFIED NODE ---\n");
printf("\nCurrent list status(%d nodes): ", SLISTsize(list));
SLISTtraverse(list, print, SLIST_FWD);
tmp = read_int("\nEnter (key)data, after which new node(key=99) will be inserted (-1=Quit): ", 0, 0);
if (tmp == -1)
break;
if ((node = SLISTfindnode(list, &tmp)) != NULL) /* Node found */
{
/* Insert node after first occurance of user-specified node */
pi = (int *)malloc(sizeof(int));
MALCHK(pi);
*pi = 99;
if ((SLISTinsnext(list, node, pi)) != OK)
{
printf("\nFatal error - exiting...!");
SLISTdestroy(list);
exit(-1);
}
else
{
sprintf(mess, "Node 99 will be inserted after node %d", *(int *)SLISTdata(node));
prompt_and_pause(mess);
}
}
else
{
sprintf(mess, "Error: Node %d not found...!", tmp);
prompt_and_pause(mess);
}
} while (TRUE);
}
