ucx: ucx/dlist.c@69636f81db31 (annotated)

ucx/dlist.c@69636f81db31 (annotated)

ucx/dlist.c

Wed, 04 Jan 2012 14:51:54 +0100

author: Mike Becker <universe@uap-core.de>
date: Wed, 04 Jan 2012 14:51:54 +0100
changeset 18: 69636f81db31
parent 13: 98ac89e3aa37
child 22: 76cdd8209f1f
permissions: -rw-r--r--

added clone and equals to lists

 #include "dlist.h"
 UcxDlist *ucx_dlist_clone(UcxDlist *l, copy_func fnc, void *data) {
     UcxDlist *ret = NULL;
     while (l != NULL) {
         if (fnc != NULL) {
             ret = ucx_dlist_append(ret, fnc(l->data, data));
         } else {
             ret = ucx_dlist_append(ret, l->data);
         }
         l = l->next;
     }
     return ret;
 }
 int ucx_dlist_equals(UcxDlist *l1, UcxDlist *l2, cmp_func fnc, void* data) {
     if (l1 == l2) return 1;
     while (l1 != NULL && l2 != NULL) {
         if (fnc == NULL) {
             if (l1->data != l2->data) return 0;
         } else {
             if (fnc(l1->data, l2->data, data) != 0) return 0;
         }
         l1 = l1->next;
         l2 = l2->next;
     }
     return (l1 == NULL && l2 == NULL);
 }
 void ucx_dlist_free(UcxDlist *l) {
     UcxDlist *e = l, *f;
     while (e != NULL) {
         f = e;
         e = e->next;
         free(f);
     }
 }
 UcxDlist *ucx_dlist_append(UcxDlist *l, void *data)  {
     UcxDlist *nl = (UcxDlist*) malloc(sizeof(UcxDlist));
     if (nl == NULL) return NULL;
     nl->data = data;
     nl->next = NULL;
     if (l == NULL) {
         return nl;
     } else {
         UcxDlist *t = ucx_dlist_last(l);
         t->next = nl;
         nl->prev = t;
         return l;
     }
 }
 UcxDlist *ucx_dlist_prepend(UcxDlist *l, void *data) {
     UcxDlist *nl = ucx_dlist_append(NULL, data);
     if (nl == NULL) return NULL;
     if (l != NULL) {
         nl->next = l;
         l->prev = nl;
     }
     return nl;
 }
 UcxDlist *ucx_dlist_concat(UcxDlist *l1, UcxDlist *l2) {
     if (l1 == NULL) {
         return l2;
     } else {
         UcxDlist *last = ucx_dlist_last(l1);
         last->next = l2;
         l2->prev = last;
         return l1;
     }
 }
 UcxDlist *ucx_dlist_last(UcxDlist *l) {
     if (l == NULL) return NULL;
     UcxDlist *e = l;
     while (e->next != NULL) {
         e = e->next;
     }
     return e;
 }
 UcxDlist *ucx_dlist_get(UcxDlist *l, int index) {
     if (l == NULL) return NULL;
     UcxDlist *e = l;
     while (e->next != NULL && index > 0) {
         e = e->next;
         index--;
     }
     return index == 0 ? e : NULL;
 }
 size_t ucx_dlist_size(UcxDlist *l) {
     if (l == NULL) return 0;
     UcxDlist *e = l;
     size_t s = 1;
     while (e->next != NULL) {
         e = e->next;
         s++;
     }
     return s;
 }
 void ucx_dlist_foreach(UcxDlist *l, ucx_callback fnc, void* data) {
     UcxDlist *e = l;
     while (e != NULL) {
         fnc(e, data);
         e = e->next;
     }
 }
 /* dlist specific functions */
 UcxDlist *ucx_dlist_first(UcxDlist *l) {
     if (l == NULL) return NULL;
     UcxDlist *e = l;
     while (e->prev != NULL) {
         e = e->prev;
     }
     return e;
 }

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ucx/dlist.c@69636f81db31 (annotated)

ucx/dlist.c