hash: add asserts to help detect bad usage
For example trying to add entries after the hash has been "cleaned up"
Closes #8115
diff --git a/lib/hash.c b/lib/hash.c
index 12e7aa5..f04c462 100644
--- a/lib/hash.c
+++ b/lib/hash.c
@@ -110,7 +110,9 @@
{
struct Curl_hash_element *he;
struct Curl_llist_element *le;
- struct Curl_llist *l = FETCH_LIST(h, key, key_len);
+ struct Curl_llist *l;
+ DEBUGASSERT(h->slots);
+ l = FETCH_LIST(h, key, key_len);
for(le = l->head; le; le = le->next) {
he = (struct Curl_hash_element *) le->ptr;
@@ -139,7 +141,9 @@
int Curl_hash_delete(struct Curl_hash *h, void *key, size_t key_len)
{
struct Curl_llist_element *le;
- struct Curl_llist *l = FETCH_LIST(h, key, key_len);
+ struct Curl_llist *l;
+ DEBUGASSERT(h->slots);
+ l = FETCH_LIST(h, key, key_len);
for(le = l->head; le; le = le->next) {
struct Curl_hash_element *he = le->ptr;
@@ -163,6 +167,7 @@
struct Curl_llist *l;
if(h) {
+ DEBUGASSERT(h->slots);
l = FETCH_LIST(h, key, key_len);
for(le = l->head; le; le = le->next) {
struct Curl_hash_element *he = le->ptr;