93 lines
2 KiB
C
93 lines
2 KiB
C
#include <stdio.h>
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#include "utlist.h"
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typedef struct el {
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int id, score;
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struct el *next, *prev;
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struct el *next_list2, *prev_list2;
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} el;
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static int order_desc(el *a, el *b)
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{
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return (a->score > b->score) ? -1 : (a->score < b->score);
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}
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static int order_asc(el *a, el *b)
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{
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return -order_desc(a, b);
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}
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int main()
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{
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int i;
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el *head = NULL;
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el *head2 = NULL;
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el els[15], *e;
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for (i=0; i<15; i++) {
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els[i].id = (int)'a'+i;
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els[i].score = i%7;
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LL_INSERT_INORDER(head, &els[i], order_desc);
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LL_INSERT_INORDER2(head2, &els[i], order_asc, next_list2);
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}
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printf("LL_INSERT_INORDER\n");
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printf("list1: ");
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LL_FOREACH(head, e) {
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printf("%c ", e->id);
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}
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printf("\n");
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printf("list2: ");
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LL_FOREACH2(head2, e, next_list2) {
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printf("%c ", e->id);
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}
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printf("\n");
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printf("DL_INSERT_INORDER\n");
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head = NULL;
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head2 = NULL;
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for (i=0; i<15; i++) {
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DL_INSERT_INORDER(head, &els[i], order_desc);
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DL_INSERT_INORDER2(head2, &els[i], order_asc, prev_list2, next_list2);
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}
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printf("list1: ");
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DL_FOREACH(head, e) {
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printf("%c ", e->id);
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}
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printf("\n");
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printf("list2: ");
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DL_FOREACH2(head2, e, next_list2) {
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printf("%c ", e->id);
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}
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printf("\n");
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printf("CDL_INSERT_INORDER\n");
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head = NULL;
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head2 = NULL;
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for (i=0; i<15; i++) {
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CDL_INSERT_INORDER(head, &els[i], order_desc);
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CDL_INSERT_INORDER2(head2, &els[i], order_asc, prev_list2, next_list2);
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}
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printf("list1:\n");
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CDL_FOREACH(head, e) {
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printf("%c ", e->id);
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}
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printf("\n");
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CDL_FOREACH2(head, e, prev) {
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printf("%c ", e->id);
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}
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printf("\n");
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printf("list2:\n");
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CDL_FOREACH2(head2, e, next_list2) {
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printf("%c ", e->id);
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}
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printf("\n");
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CDL_FOREACH2(head2, e, prev_list2) {
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printf("%c ", e->id);
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}
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printf("\n");
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return 0;
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}
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