tests/test-list.c

   1 /*
   2  * Doubly-linked list - test program
   3  * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #include "utils/includes.h"
  16 #include "utils/os.h"
  17 #include "utils/list.h"
  18
  19 struct test {
  20         struct dl_list list;
  21         int value;
  22 };
  23
  24 static void dump_list(struct dl_list *head)
  25 {
  26         struct test *t;
  27         printf("dump:");
  28         dl_list_for_each(t, head, struct test, list)
  29                 printf(" %d", t->value);
  30         printf(" (len=%d%s)\n", dl_list_len(head),
  31                dl_list_empty(head) ? " empty" : "");
  32 }
  33
  34 int main(int argc, char *argv[])
  35 {
  36         struct dl_list head;
  37         struct test *t, *tmp;
  38         int i;
  39
  40         dl_list_init(&head);
  41         dump_list(&head);
  42
  43         for (i = 0; i < 5; i++) {
  44                 t = os_zalloc(sizeof(*t));
  45                 if (t == NULL)
  46                         return -1;
  47                 t->value = i;
  48                 dl_list_add(&head, &t->list);
  49                 dump_list(&head);
  50         }
  51
  52         for (i = 10; i > 5; i--) {
  53                 t = os_zalloc(sizeof(*t));
  54                 if (t == NULL)
  55                         return -1;
  56                 t->value = i;
  57                 dl_list_add_tail(&head, &t->list);
  58                 dump_list(&head);
  59         }
  60
  61         i = 0;
  62         dl_list_for_each(t, &head, struct test, list)
  63                 if (++i == 5)
  64                         break;
  65         printf("move: %d\n", t->value);
  66         dl_list_del(&t->list);
  67         dl_list_add(&head, &t->list);
  68         dump_list(&head);
  69
  70         dl_list_for_each_safe(t, tmp, &head, struct test, list) {
  71                 printf("delete: %d\n", t->value);
  72                 dl_list_del(&t->list);
  73                 os_free(t);
  74                 dump_list(&head);
  75         }
  76
  77         return 0;
  78 }