better crash messages

1 files changed, 9 insertions, 6 deletions

diff --git a/map.c b/map.c
index c720bbc..0a6a896 100644
--- a/map.c
+++ b/map.c
@@ -280,7 +280,9 @@ static void rehash_set(set_t* set) {
         void* key = old_buckets[i];
         if (key == NULL) continue;
         size_t idx = fetch_set_idx(set, key, true);
-        if (idx >= set->__num_buckets) crash("wtf\n"); // TODO
+        if (idx >= set->__num_buckets)
+            crash(
+                "Set failed rehashing, likely due to bad hash function.\n");
         set->__buckets[idx] = key;
     }
     free(old_buckets);
@@ -290,11 +292,12 @@ static size_t fetch_set_idx_rehashing(set_t* set, void* key) {
     size_t idx = fetch_set_idx(set, key, true);
     if ((double) ++set->size / set->__num_buckets > set->load_limit
             || idx >= set->__num_buckets) {
-        // TODO: no need for do/while
-        do {
-            rehash_set(set);
-            idx = fetch_set_idx(set, key, true);
-        } while (idx >= set->__num_buckets);
+        rehash_set(set);
+        idx = fetch_set_idx(set, key, true);
+        if (idx >= set->__num_buckets)
+            crash(
+                "Set still full after rehashing, "
+                "likely due to bad hash function.\n");
     }
     return idx;
 }