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#include <stdlib.h>
#include <stdio.h>
#include "utlist.h"
typedef struct el {
int id;
struct el *next, *prev;
} el;
int main()
{
int i;
el els[26], *e, *tmp;
el *headA = NULL;
el *headB = NULL;
for(i=0; i<25; i++) {
els[i].id=(int)'a'+i;
}
/* test LL macros */
printf("LL prepend elem\n");
LL_APPEND(headA,&els[0]);
LL_APPEND(headA,&els[1]);
LL_APPEND(headA,&els[2]);
LL_APPEND(headA,&els[3]);
LL_FOREACH(headA,e) {
printf("%c ", e->id);
}
printf("\n");
/* prepend head elem */
LL_PREPEND_ELEM(headA, &els[0], &els[4]);
LL_FOREACH(headA,e) {
printf("%c ", e->id);
}
printf("\n");
LL_PREPEND_ELEM(headA, &els[4], &els[5]);
LL_FOREACH(headA,e) {
printf("%c ", e->id);
}
printf("\n");
/* prepend last elem */
LL_PREPEND_ELEM(headA, &els[3], &els[6]);
LL_FOREACH(headA,e) {
printf("%c ", e->id);
}
printf("\n");
LL_PREPEND_ELEM(headA, &els[6], &els[7]);
LL_FOREACH(headA,e) {
printf("%c ", e->id);
}
printf("\n");
/* prepend middle elem */
LL_PREPEND_ELEM(headA, &els[2], &els[8]);
LL_PREPEND_ELEM(headA, &els[2], &els[9]);
LL_FOREACH(headA,e) {
printf("%c ", e->id);
}
printf("\n");
/* prepend all just to be sure the list is intact... */
i = 10;
LL_FOREACH_SAFE(headA, e, tmp) {
LL_PREPEND_ELEM(headA, e, &els[i]);
i++;
}
LL_FOREACH(headA,e) {
printf("%c ", e->id);
}
printf("\n");
/* single elem */
LL_APPEND(headB, &els[20]);
LL_FOREACH(headB,e) {
printf("%c ", e->id);
}
printf("\n");
LL_PREPEND_ELEM(headB, &els[20], &els[21]);
LL_FOREACH(headB,e) {
printf("%c ", e->id);
}
printf("\n");
LL_PREPEND_ELEM(headB, &els[21], &els[22]);
LL_FOREACH(headB,e) {
printf("%c ", e->id);
}
printf("\n");
return 0;
}
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