diff options
-rw-r--r-- | src/basic/list.h | 2 | ||||
-rw-r--r-- | src/test/test-list.c | 23 |
2 files changed, 25 insertions, 0 deletions
diff --git a/src/basic/list.h b/src/basic/list.h index 5962aa4211..c3771a177f 100644 --- a/src/basic/list.h +++ b/src/basic/list.h @@ -142,6 +142,8 @@ } else { \ if ((_b->name##_prev = _a->name##_prev)) \ _b->name##_prev->name##_next = _b; \ + else \ + *_head = _b; \ _b->name##_next = _a; \ _a->name##_prev = _b; \ } \ diff --git a/src/test/test-list.c b/src/test/test-list.c index 160064d06a..0ccd745cc9 100644 --- a/src/test/test-list.c +++ b/src/test/test-list.c @@ -132,6 +132,29 @@ int main(int argc, const char *argv[]) { assert_se(items[1].item_prev == &items[3]); assert_se(items[3].item_prev == NULL); + LIST_INSERT_BEFORE(item, head, &items[3], &items[0]); + assert_se(items[2].item_next == NULL); + assert_se(items[1].item_next == &items[2]); + assert_se(items[3].item_next == &items[1]); + assert_se(items[0].item_next == &items[3]); + + assert_se(items[2].item_prev == &items[1]); + assert_se(items[1].item_prev == &items[3]); + assert_se(items[3].item_prev == &items[0]); + assert_se(items[0].item_prev == NULL); + assert_se(head == &items[0]); + + LIST_REMOVE(item, head, &items[0]); + assert_se(LIST_JUST_US(item, &items[0])); + + assert_se(items[2].item_next == NULL); + assert_se(items[1].item_next == &items[2]); + assert_se(items[3].item_next == &items[1]); + + assert_se(items[2].item_prev == &items[1]); + assert_se(items[1].item_prev == &items[3]); + assert_se(items[3].item_prev == NULL); + LIST_INSERT_BEFORE(item, head, NULL, &items[0]); assert_se(items[0].item_next == NULL); assert_se(items[2].item_next == &items[0]); |