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fix a format string issue in array test ARRAYLIST_IDX deals with the head pointer. Explicitly cast to unsigned long and use %lu in the format string. Clang 10.0.1 used to complain as follows: arraylist_test.c:19:2: warning: format specifies type 'int' but the argument has type 'long' [-Wformat] arraylist_test.c:15:24: note: expanded from macro 'dump' printf("[%d] %d\n", ARRAYLIST_IDX(p, list), *p); \ ~~ ^~~~~~~~~~~~~~~~~~~~~~
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 1 3e66d05b 2020-10-11 neels #include <stdio.h>

 2 3e66d05b 2020-10-11 neels #include <stdlib.h>

 3 3e66d05b 2020-10-11 neels #include <string.h>

 4 3e66d05b 2020-10-11 neels #include <arraylist.h>

 5 3e66d05b 2020-10-11 neels 

 6 3e66d05b 2020-10-11 neels void test_basic(void)

 7 3e66d05b 2020-10-11 neels {

 8 3e66d05b 2020-10-11 neels 	int *p;

 9 3e66d05b 2020-10-11 neels 	ARRAYLIST(int) list;

10 3e66d05b 2020-10-11 neels 	ARRAYLIST_INIT(list, 2);

11 3e66d05b 2020-10-11 neels 

12 3e66d05b 2020-10-11 neels #define dump() do {\

13 3e66d05b 2020-10-11 neels 		printf("(%d items)\n", list.len); \

14 3e66d05b 2020-10-11 neels 		ARRAYLIST_FOREACH(p, list) \

15 cdaa991d 2020-10-16 stsp 			printf("[%lu] %d\n", \

16 cdaa991d 2020-10-16 stsp 			(unsigned long)ARRAYLIST_IDX(p, list), *p); \

17 3e66d05b 2020-10-11 neels 		printf("\n"); \

18 3e66d05b 2020-10-11 neels 	} while(0)

19 3e66d05b 2020-10-11 neels 

20 3e66d05b 2020-10-11 neels 	dump();

21 3e66d05b 2020-10-11 neels 

22 3e66d05b 2020-10-11 neels 	ARRAYLIST_ADD(p, list);

23 3e66d05b 2020-10-11 neels 	*p = 100;

24 3e66d05b 2020-10-11 neels 	dump();

25 3e66d05b 2020-10-11 neels 

26 3e66d05b 2020-10-11 neels 	ARRAYLIST_ADD(p, list);

27 3e66d05b 2020-10-11 neels 	*p = 101;

28 3e66d05b 2020-10-11 neels 	dump();

29 3e66d05b 2020-10-11 neels 

30 3e66d05b 2020-10-11 neels 	ARRAYLIST_ADD(p, list);

31 3e66d05b 2020-10-11 neels 	*p = 102;

32 3e66d05b 2020-10-11 neels 	dump();

33 3e66d05b 2020-10-11 neels 

34 3e66d05b 2020-10-11 neels #define insert_test(AT) do {\

35 3e66d05b 2020-10-11 neels 		printf("insert at [" #AT "]:\n"); \

36 3e66d05b 2020-10-11 neels 		ARRAYLIST_INSERT(p, list, AT); \

37 3e66d05b 2020-10-11 neels 		*p = AT; \

38 3e66d05b 2020-10-11 neels 		dump(); \

39 3e66d05b 2020-10-11 neels 	} while(0)

40 3e66d05b 2020-10-11 neels 

41 3e66d05b 2020-10-11 neels 	insert_test(list.len - 1);

42 3e66d05b 2020-10-11 neels 	insert_test(1);

43 3e66d05b 2020-10-11 neels 	insert_test(0);

44 3e66d05b 2020-10-11 neels 	insert_test(6);

45 3e66d05b 2020-10-11 neels 	insert_test(123);

46 3e66d05b 2020-10-11 neels 	insert_test(-42);

47 3e66d05b 2020-10-11 neels 

48 3e66d05b 2020-10-11 neels 	printf("clear:\n");

49 3e66d05b 2020-10-11 neels 	ARRAYLIST_CLEAR(list);

50 3e66d05b 2020-10-11 neels 	dump();

51 3e66d05b 2020-10-11 neels 

52 3e66d05b 2020-10-11 neels 	ARRAYLIST_FREE(list);

53 3e66d05b 2020-10-11 neels }

54 3e66d05b 2020-10-11 neels 

55 3e66d05b 2020-10-11 neels int main(void)

56 3e66d05b 2020-10-11 neels {

57 3e66d05b 2020-10-11 neels 	test_basic();

58 3e66d05b 2020-10-11 neels }