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FFlist: adds FF_LIST_INSERT_AT and FF_LIST_REMOVE_AT

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Carter Li
2026-08-04 15:08:38 +08:00
parent 3196f5efaa
commit 2af56232a4
2 changed files with 95 additions and 2 deletions
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tests/list.c
+73
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@@ -100,6 +100,79 @@ int main(void) {
VERIFY(*FF_LIST_GET(uint32_t, list, 0) == 2);
VERIFY(*FF_LIST_GET(uint32_t, list, list.length - 1) == FF_LIST_DEFAULT_ALLOC);
// insertAt
ffListClear(&list);
for (uint32_t i = 1; i <= 5; ++i) {
*FF_LIST_ADD(uint32_t, list) = i;
}
// list = [1,2,3,4,5]
{
uint32_t v = 0;
FF_LIST_INSERT_AT(uint32_t, list, 0, &v); // insert at head
}
VERIFY(list.length == 6);
VERIFY(*FF_LIST_GET(uint32_t, list, 0) == 0);
VERIFY(*FF_LIST_GET(uint32_t, list, 1) == 1);
VERIFY(*FF_LIST_GET(uint32_t, list, 5) == 5);
// list = [0,1,2,3,4,5]
{
uint32_t v = 99;
FF_LIST_INSERT_AT(uint32_t, list, 3, &v); // insert in the middle
}
VERIFY(list.length == 7);
VERIFY(*FF_LIST_GET(uint32_t, list, 2) == 2);
VERIFY(*FF_LIST_GET(uint32_t, list, 3) == 99);
VERIFY(*FF_LIST_GET(uint32_t, list, 4) == 3);
VERIFY(*FF_LIST_GET(uint32_t, list, 6) == 5);
// list = [0,1,2,99,3,4,5]
{
uint32_t v = 6;
FF_LIST_INSERT_AT(uint32_t, list, list.length, &v); // insert at tail
}
VERIFY(list.length == 8);
VERIFY(*FF_LIST_GET(uint32_t, list, 3) == 99);
VERIFY(*FF_LIST_GET(uint32_t, list, 7) == 6);
// list = [0,1,2,99,3,4,5,6]
ffListClear(&list);
{
uint32_t v = 42;
FF_LIST_INSERT_AT(uint32_t, list, 0, &v); // insert into empty list
}
VERIFY(list.length == 1);
VERIFY(*FF_LIST_GET(uint32_t, list, 0) == 42);
// removeAt
FF_LIST_REMOVE_AT(uint32_t, list, 0); // remove the only element
VERIFY(list.length == 0);
for (uint32_t i = 1; i <= 5; ++i) {
*FF_LIST_ADD(uint32_t, list) = i;
}
// list = [1,2,3,4,5]
FF_LIST_REMOVE_AT(uint32_t, list, 0); // remove head
VERIFY(list.length == 4);
VERIFY(*FF_LIST_GET(uint32_t, list, 0) == 2);
VERIFY(*FF_LIST_GET(uint32_t, list, list.length - 1) == 5);
// list = [2,3,4,5]
FF_LIST_REMOVE_AT(uint32_t, list, 1); // remove in the middle
VERIFY(list.length == 3);
VERIFY(*FF_LIST_GET(uint32_t, list, 0) == 2);
VERIFY(*FF_LIST_GET(uint32_t, list, 1) == 4);
VERIFY(*FF_LIST_GET(uint32_t, list, 2) == 5);
// list = [2,4,5]
FF_LIST_REMOVE_AT(uint32_t, list, list.length - 1); // remove tail
VERIFY(list.length == 2);
VERIFY(*FF_LIST_GET(uint32_t, list, 0) == 2);
VERIFY(*FF_LIST_GET(uint32_t, list, 1) == 4);
// list = [2,4]
// Destroy
ffListDestroy(&list);