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#include <stdio.h>
#include "utlist.h"
typedef struct el {
int id;
struct el *next, *prev;
} el;
int main()
{
int i;
int count;
el els[10], *e;
el *head = NULL;
el *zeroptr = NULL;
for(i=0; i<10; i++) {
els[i].id=(int)'a'+i;
}
/* test CDL macros */
printf("CDL appends\n");
CDL_APPEND(head,&els[0]);
CDL_APPEND(head,&els[1]);
CDL_APPEND(head,&els[2]);
CDL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
CDL_COUNT(head,e, count);
printf("count = %d\n", count);
printf("Test CDL_PREPEND_ELEM %c with elt NULL\n", els[3].id);
CDL_PREPEND_ELEM(head, zeroptr, &els[3]);
CDL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("Test CDL_PREPEND_ELEM %c before item %c\n", els[4].id, els[1].id);
CDL_PREPEND_ELEM(head, &els[1], &els[4]);
CDL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("Test CDL_APPEND_ELEM %c with elt NULL\n", els[5].id);
CDL_APPEND_ELEM(head, zeroptr, &els[5]);
CDL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("Test CDL_APPEND_ELEM %c after item %c\n", els[6].id, els[1].id);
CDL_APPEND_ELEM(head, &els[1], &els[6]);
CDL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
CDL_COUNT(head,e, count);
printf("count = %d\n", count);
/* point head to head->next */
printf("advancing head pointer\n");
head = head->next;
CDL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
/* follow circular loop a few times */
for(i=0,e=head; e && i<20; i++,e=e->next) {
printf("%c ", e->id);
}
printf("\n");
/* follow circular loop backwards a few times */
for(i=0,e=head; e && i<10; i++,e=e->prev) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (b)\n");
CDL_DELETE(head,&els[1]);
CDL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (a)\n");
CDL_DELETE(head,&els[0]);
CDL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (c)\n");
CDL_DELETE(head,&els[2]);
CDL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (g)\n");
CDL_DELETE(head,&els[6]);
CDL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (e)\n");
CDL_DELETE(head,&els[4]);
CDL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (d)\n");
CDL_DELETE(head,&els[3]);
CDL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("deleting (f)\n");
CDL_DELETE(head,&els[5]);
CDL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
/* test DL macros */
printf("DL appends\n");
DL_APPEND(head,&els[0]);
DL_APPEND(head,&els[1]);
DL_APPEND(head,&els[2]);
DL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
DL_COUNT(head,e, count);
printf("count = %d\n", count);
printf("Test DL_PREPEND_ELEM %c with elt NULL\n", els[3].id);
DL_PREPEND_ELEM(head, zeroptr, &els[3]);
DL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("Test DL_PREPEND_ELEM %c before item %c\n", els[4].id, els[1].id);
DL_PREPEND_ELEM(head, &els[1], &els[4]);
DL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("Test DL_APPEND_ELEM %c with elt NULL\n", els[5].id);
DL_APPEND_ELEM(head, zeroptr, &els[5]);
DL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("Test DL_APPEND_ELEM %c after item %c\n", els[6].id, els[1].id);
DL_APPEND_ELEM(head, &els[1], &els[6]);
DL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
DL_COUNT(head,e, count);
printf("count = %d\n", count);
printf("deleting (b)\n");
DL_DELETE(head,&els[1]);
DL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (a)\n");
DL_DELETE(head,&els[0]);
DL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (c)\n");
DL_DELETE(head,&els[2]);
DL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (g)\n");
DL_DELETE(head,&els[6]);
DL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (e)\n");
DL_DELETE(head,&els[4]);
DL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (d)\n");
DL_DELETE(head,&els[3]);
DL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("deleting (f)\n");
DL_DELETE(head,&els[5]);
DL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
/* test LL macros */
printf("LL appends\n");
LL_APPEND(head,&els[0]);
LL_APPEND(head,&els[1]);
LL_APPEND(head,&els[2]);
LL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
LL_COUNT(head,e, count);
printf("count = %d\n", count);
printf("Test LL_PREPEND_ELEM %c with elt NULL\n", els[3].id);
LL_PREPEND_ELEM(head, zeroptr, &els[3]);
LL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("Test LL_PREPEND_ELEM %c before item %c\n", els[4].id, els[1].id);
LL_PREPEND_ELEM(head, &els[1], &els[4]);
LL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("Test LL_APPEND_ELEM %c with elt NULL\n", els[5].id);
LL_APPEND_ELEM(head, zeroptr, &els[5]);
LL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("Test LL_APPEND_ELEM %c after item %c\n", els[6].id, els[1].id);
LL_APPEND_ELEM(head, &els[1], &els[6]);
LL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
LL_COUNT(head,e, count);
printf("count = %d\n", count);
printf("deleting (b)\n");
LL_DELETE(head,&els[1]);
LL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (a)\n");
LL_DELETE(head,&els[0]);
LL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (c)\n");
LL_DELETE(head,&els[2]);
LL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (g)\n");
LL_DELETE(head,&els[6]);
LL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (e)\n");
LL_DELETE(head,&els[4]);
LL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
printf("deleting (d)\n");
LL_DELETE(head,&els[3]);
LL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("deleting (f)\n");
LL_DELETE(head,&els[5]);
LL_FOREACH(head,e) {
printf("%c ", e->id);
}
printf("\n");
return 0;
}
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