khash: avoid using `kh_key`/`kh_val` as lvalue

src/cache.c

@@ -219,8 +219,8 @@ static void *cache_store(git_cache *cache, git_cached_obj *entry)
 			git_cached_obj_decref(stored_entry);
 			git_cached_obj_incref(entry);
 
-			git_oidmap_key(cache->map, pos) = &entry->oid;
-			git_oidmap_value_at(cache->map, pos) = entry;
+			git_oidmap_set_key_at(cache->map, pos, &entry->oid);
+			git_oidmap_set_value_at(cache->map, pos, entry);
 		} else {
 			/* NO OP */
 		}

src/indexer.c

@@ -308,7 +308,7 @@ static int store_object(git_indexer *idx)
 	}
 
 
-	git_oidmap_value_at(idx->pack->idx_cache, k) = pentry;
+	git_oidmap_set_value_at(idx->pack->idx_cache, k, pentry);
 
 	git_oid_cpy(&entry->oid, &oid);
 
@@ -356,7 +356,7 @@ static int save_entry(git_indexer *idx, struct entry *entry, struct git_pack_ent
 		return -1;
 	}
 
-	git_oidmap_value_at(idx->pack->idx_cache, k) = pentry;
+	git_oidmap_set_value_at(idx->pack->idx_cache, k, pentry);
 
 	/* Add the object to the list */
 	if (git_vector_insert(&idx->objects, entry) < 0)

src/odb_mempack.c

@@ -57,8 +57,8 @@ static int impl__write(git_odb_backend *_backend, const git_oid *oid, const void
 	obj->len = len;
 	obj->type = type;
 
-	git_oidmap_key(db->objects, pos) = &obj->oid;
-	git_oidmap_value_at(db->objects, pos) = obj;
+	git_oidmap_set_key_at(db->objects, pos, &obj->oid);
+	git_oidmap_set_value_at(db->objects, pos, obj);
 
 	if (type == GIT_OBJ_COMMIT) {
 		struct memobject **store = git_array_alloc(db->commits);

src/oidmap.h

@@ -39,9 +39,11 @@ GIT_INLINE(khint_t) git_oidmap_hash(const git_oid *oid)
 #define git_oidmap_exists(h, k) (kh_get(oid, h, k) != kh_end(h))
 #define git_oidmap_has_data(h, idx) kh_exist(h, idx)
 
-#define git_oidmap_key(h, idx)       kh_key(h, idx)
-#define git_oidmap_value_at(h, idx)  kh_val(h, idx)
-#define git_oidmap_delete_at(h, idx) kh_del(oid, h, idx)
+#define git_oidmap_key(h, idx)             kh_key(h, idx)
+#define git_oidmap_set_key_at(h, idx, k)   kh_key(h, idx) = k
+#define git_oidmap_value_at(h, idx)        kh_val(h, idx)
+#define git_oidmap_set_value_at(h, idx, v) kh_val(h, idx) = v
+#define git_oidmap_delete_at(h, idx)       kh_del(oid, h, idx)
 
 #define git_oidmap_put(h, k, err) kh_put(oid, h, k, err)
 

src/pack-objects.c

@@ -200,7 +200,7 @@ static void rehash(git_packbuilder *pb)
 	git_oidmap_clear(pb->object_ix);
 	for (i = 0, po = pb->object_list; i < pb->nr_objects; i++, po++) {
 		pos = git_oidmap_put(pb->object_ix, &po->id, &ret);
-		git_oidmap_value_at(pb->object_ix, pos) = po;
+		git_oidmap_set_value_at(pb->object_ix, pos, po);
 	}
 }
 
@@ -252,7 +252,7 @@ int git_packbuilder_insert(git_packbuilder *pb, const git_oid *oid,
 		return ret;
 	}
 	assert(ret != 0);
-	git_oidmap_value_at(pb->object_ix, pos) = po;
+	git_oidmap_set_value_at(pb->object_ix, pos, po);
 
 	pb->done = false;
 

src/pack.c

@@ -171,7 +171,7 @@ static int cache_add(
 
 			k = git_offmap_put(cache->entries, offset, &error);
 			assert(error != 0);
-			git_oidmap_value_at(cache->entries, k) = entry;
+			git_offmap_set_value_at(cache->entries, k, entry);
 			cache->memory_used += entry->raw.len;
 
 			*cached_out = entry;

src/revwalk.c

@@ -37,7 +37,7 @@ git_commit_list_node *git_revwalk__commit_lookup(
 
 	pos = git_oidmap_put(walk->commits, &commit->oid, &ret);
 	assert(ret != 0);
-	git_oidmap_value_at(walk->commits, pos) = commit;
+	git_oidmap_set_value_at(walk->commits, pos, commit);
 
 	return commit;
 }

src/sortedcache.c

@@ -299,8 +299,8 @@ int git_sortedcache_upsert(void **out, git_sortedcache *sc, const char *key)
 		goto done;
 
 	if (!error)
-		git_strmap_key(sc->map, pos) = item_key;
-	git_strmap_value_at(sc->map, pos) = item;
+		git_strmap_set_key_at(sc->map, pos, item_key);
+	git_strmap_set_value_at(sc->map, pos, item);
 
 	error = git_vector_insert(&sc->items, item);
 	if (error < 0)

src/strmap.h

@@ -38,6 +38,7 @@ typedef khiter_t git_strmap_iter;
 #define git_strmap_has_data(h, idx) kh_exist(h, idx)
 
 #define git_strmap_key(h, idx)             kh_key(h, idx)
+#define git_strmap_set_key_at(h, idx, k)   kh_val(h, idx) = k
 #define git_strmap_value_at(h, idx)        kh_val(h, idx)
 #define git_strmap_set_value_at(h, idx, v) kh_val(h, idx) = v
 #define git_strmap_delete_at(h, idx)       kh_del(str, h, idx)

tests/core/oidmap.c

@@ -39,7 +39,7 @@ void test_core_oidmap__basic(void)
 		pos = git_oidmap_put(map, &items[i].oid, &ret);
 		cl_assert(ret != 0);
 
-		git_oidmap_value_at(map, pos) = &items[i];
+		git_oidmap_set_value_at(map, pos, &items[i]);
 	}
 
 
@@ -93,7 +93,7 @@ void test_core_oidmap__hash_collision(void)
 		pos = git_oidmap_put(map, &items[i].oid, &ret);
 		cl_assert(ret != 0);
 
-		git_oidmap_value_at(map, pos) = &items[i];
+		git_oidmap_set_value_at(map, pos, &items[i]);
 	}