117 lines
3.1 KiB
C
117 lines
3.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "list.h"
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#include "utils.h"
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struct item {
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const char *name;
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struct list_head list;
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};
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#define OUT(fmt, ...) do { \
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fprintf(stdout, "%s: " fmt, __func__, ## __VA_ARGS__); \
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} while (0);
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static void init_list(struct list_head *list)
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{
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const char *vals[] = {
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"zero", "one", "two", "three", "four", "five", "six",
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"seven", "eight", "nine", "ten", "eleven", "twelve"
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};
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OUT("list_empty: %s\n", list_empty(list) ? "yes" : "no");
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OUT("list_add_tail: ");
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for (size_t i=0; i<ARRAY_SIZE(vals); i++) {
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struct item *e = malloc(sizeof(struct item));
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e->name = vals[i];
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list_add_tail(&e->list, list);
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fprintf(stdout, "%s ", vals[i]);
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}
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fprintf(stdout, "\n");
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OUT("list_empty: %s\n", list_empty(list) ? "yes" : "no");
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}
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static void test_basics()
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{
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struct item *tmp;
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struct item *item;
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struct item *last;
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struct item *first;
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struct list_head test_list = LIST_HEAD_INIT(test_list);
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init_list(&test_list);
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first = list_first_entry(&test_list, struct item, list);
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last = list_last_entry(&test_list, struct item, list);
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OUT("first=%s last=%s\n", first->name, last->name);
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OUT("'zero' is first, %s\n", list_is_first(&first->list, &test_list) ? "yes" : "no");
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OUT("'twelve' is last, %s\n", list_is_last(&last->list, &test_list) ? "yes" : "no");
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OUT("removing 'twelve' and 'zero'\n");
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list_del(&first->list);
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list_del(&last->list);
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free(first);
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free(last);
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first = list_first_entry(&test_list, struct item, list);
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last = list_last_entry(&test_list, struct item, list);
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if (!first || !last)
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return;
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OUT("first=%s last=%s\n", first->name, last->name);
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OUT("'one' is first, %s\n", list_is_first(&first->list, &test_list) ? "yes" : "no");
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OUT("'eleven' is last, %s\n", list_is_last(&last->list, &test_list) ? "yes" : "no");
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OUT("moving 'one' to the tail\n");
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list_move_tail(&first->list, &test_list);
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first = list_first_entry(&test_list, struct item, list);
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last = list_last_entry(&test_list, struct item, list);
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OUT("first=%s last=%s\n", first->name, last->name);
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OUT("'two' is first, %s\n", list_is_first(&first->list, &test_list) ? "yes" : "no");
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OUT("'one' is last, %s\n", list_is_last(&last->list, &test_list) ? "yes" : "no");
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OUT("list_for_each_entry: ");
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list_for_each_entry(item, &test_list, list) {
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fprintf(stdout, "%s ", item->name);
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}
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fprintf(stdout, "\n");
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OUT("list_for_each_entry_reverse: ");
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list_for_each_entry_reverse(item, &test_list, list) {
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fprintf(stdout, "%s ", item->name);
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}
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fprintf(stdout, "\n");
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OUT("delete all entries\n");
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list_for_each_entry_safe(item, tmp, &test_list, list) {
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list_del(&item->list);
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free(item);
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}
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OUT("list_empty: %s\n", list_empty(&test_list) ? "yes" : "no");
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}
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static void test_while_list_empty()
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{
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struct item *first;
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struct list_head test_list = LIST_HEAD_INIT(test_list);
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init_list(&test_list);
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OUT("delete all entries\n");
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while (!list_empty(&test_list)) {
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first = list_first_entry(&test_list, struct item, list);
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list_del(&first->list);
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free(first);
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}
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OUT("list_empty: %s\n", list_empty(&test_list) ? "yes" : "no");
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}
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int main()
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{
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test_basics();
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test_while_list_empty();
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return 0;
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}
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