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Add emptiness checking to ql module

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This commit is contained in:
Yinan Zhang 2020-04-02 13:05:16 -07:00
parent 1dd24ca6d2
commit a62b7ed928
2 changed files with 4 additions and 0 deletions
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2
include/jemalloc/internal/ql.h
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@ -18,6 +18,8 @@ struct { \
(a_head)->qlh_first = NULL; \ (a_head)->qlh_first = NULL; \
} while (0) } while (0)
#define ql_empty(a_head) ((a_head)->qlh_first == NULL)
#define ql_elm_new(a_elm, a_field) qr_new((a_elm), a_field) #define ql_elm_new(a_elm, a_field) qr_new((a_elm), a_field)
#define ql_first(a_head) ((a_head)->qlh_first) #define ql_first(a_head) ((a_head)->qlh_first)

2
test/unit/ql.c
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@ -18,6 +18,7 @@ test_empty_list(list_head_t *head) {
list_t *t; list_t *t;
unsigned i; unsigned i;
expect_true(ql_empty(head), "Unexpected element for empty list");
expect_ptr_null(ql_first(head), "Unexpected element for empty list"); expect_ptr_null(ql_first(head), "Unexpected element for empty list");
expect_ptr_null(ql_last(head, link), expect_ptr_null(ql_last(head, link),
"Unexpected element for empty list"); "Unexpected element for empty list");
@ -58,6 +59,7 @@ test_entries_list(list_head_t *head, list_t *entries, unsigned nentries) {
list_t *t; list_t *t;
unsigned i; unsigned i;
expect_false(ql_empty(head), "List should not be empty");
expect_c_eq(ql_first(head)->id, entries[0].id, "Element id mismatch"); expect_c_eq(ql_first(head)->id, entries[0].id, "Element id mismatch");
expect_c_eq(ql_last(head, link)->id, entries[nentries-1].id, expect_c_eq(ql_last(head, link)->id, entries[nentries-1].id,
"Element id mismatch"); "Element id mismatch");