Re: [PATCH 03/11] hashmap_entry_init takes "struct hashmap_entry *"

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On 8/25/2019 10:43 PM, Eric Wong wrote:
> C compilers do type checking to make life easier for us.  So
> rely on that and update all hashmap_entry_init callers to take
> "struct hashmap_entry *" to avoid future bugs while improving
> safety and readability.

Overall I like this change. I'll need to keep it in mind with my
sparse-checkout work that is adding more hashmap types.

One _might_ think that this change is relaxing the condition on
where the hashmap_entry appears within the super-struct, but
the hashmap internals will still use void* and perform a cast
to hashmap_entry for hash comparisons.
 
> Signed-off-by: Eric Wong <e@xxxxxxxxx>
> ---
>  attr.c                  |  4 ++--
>  blame.c                 |  2 +-
>  builtin/describe.c      |  2 +-
>  builtin/difftool.c      |  6 +++---
>  builtin/fast-export.c   |  2 +-
>  builtin/fetch.c         |  2 +-
>  config.c                |  4 ++--
>  diffcore-rename.c       |  2 +-
>  hashmap.c               |  4 ++--
>  hashmap.h               | 12 ++++++------
>  merge-recursive.c       | 13 +++++++------
>  name-hash.c             | 10 +++++-----
>  packfile.c              |  2 +-
>  patch-ids.c             |  2 +-
>  range-diff.c            |  4 ++--
>  ref-filter.c            |  3 ++-
>  refs.c                  |  2 +-
>  remote.c                |  2 +-
>  revision.c              |  4 ++--
>  sequencer.c             |  5 +++--
>  sub-process.c           |  4 ++--
>  submodule-config.c      | 10 +++++-----
>  t/helper/test-hashmap.c |  6 +++---
>  23 files changed, 55 insertions(+), 52 deletions(-)
> 
> diff --git a/attr.c b/attr.c
> index 93dc16b59c..a8be7a7b4f 100644
> --- a/attr.c
> +++ b/attr.c
> @@ -98,7 +98,7 @@ static void *attr_hashmap_get(struct attr_hashmap *map,
>  	if (!map->map.tablesize)
>  		attr_hashmap_init(map);
>  
> -	hashmap_entry_init(&k, memhash(key, keylen));
> +	hashmap_entry_init(&k.ent, memhash(key, keylen));
>  	k.key = key;
>  	k.keylen = keylen;
>  	e = hashmap_get(&map->map, &k, NULL);
> @@ -117,7 +117,7 @@ static void attr_hashmap_add(struct attr_hashmap *map,
>  		attr_hashmap_init(map);
>  
>  	e = xmalloc(sizeof(struct attr_hash_entry));
> -	hashmap_entry_init(e, memhash(key, keylen));
> +	hashmap_entry_init(&e->ent, memhash(key, keylen));
>  	e->key = key;
>  	e->keylen = keylen;
>  	e->value = value;
> diff --git a/blame.c b/blame.c
> index 36a2e7ef11..46059410cd 100644
> --- a/blame.c
> +++ b/blame.c
> @@ -417,7 +417,7 @@ static void get_fingerprint(struct fingerprint *result,
>  		/* Ignore whitespace pairs */
>  		if (hash == 0)
>  			continue;
> -		hashmap_entry_init(entry, hash);
> +		hashmap_entry_init(&entry->entry, hash);
>  
>  		found_entry = hashmap_get(&result->map, entry, NULL);
>  		if (found_entry) {
> diff --git a/builtin/describe.c b/builtin/describe.c
> index 200154297d..596ddf89a5 100644
> --- a/builtin/describe.c
> +++ b/builtin/describe.c
> @@ -123,7 +123,7 @@ static void add_to_known_names(const char *path,
>  		if (!e) {
>  			e = xmalloc(sizeof(struct commit_name));
>  			oidcpy(&e->peeled, peeled);
> -			hashmap_entry_init(e, oidhash(peeled));
> +			hashmap_entry_init(&e->entry, oidhash(peeled));
>  			hashmap_add(&names, e);
>  			e->path = NULL;
>  		}
> diff --git a/builtin/difftool.c b/builtin/difftool.c
> index 16eb8b70ea..98ffc04c61 100644
> --- a/builtin/difftool.c
> +++ b/builtin/difftool.c
> @@ -161,7 +161,7 @@ static void add_left_or_right(struct hashmap *map, const char *path,
>  	struct pair_entry *e, *existing;
>  
>  	FLEX_ALLOC_STR(e, path, path);
> -	hashmap_entry_init(e, strhash(path));
> +	hashmap_entry_init(&e->entry, strhash(path));
>  	existing = hashmap_get(map, e, NULL);
>  	if (existing) {
>  		free(e);
> @@ -234,7 +234,7 @@ static void changed_files(struct hashmap *result, const char *index_path,
>  	while (!strbuf_getline_nul(&buf, fp)) {
>  		struct path_entry *entry;
>  		FLEX_ALLOC_STR(entry, path, buf.buf);
> -		hashmap_entry_init(entry, strhash(buf.buf));
> +		hashmap_entry_init(&entry->entry, strhash(buf.buf));
>  		hashmap_add(result, entry);
>  	}
>  	fclose(fp);
> @@ -461,7 +461,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
>  
>  			/* Avoid duplicate working_tree entries */
>  			FLEX_ALLOC_STR(entry, path, dst_path);
> -			hashmap_entry_init(entry, strhash(dst_path));
> +			hashmap_entry_init(&entry->entry, strhash(dst_path));
>  			if (hashmap_get(&working_tree_dups, entry, NULL)) {
>  				free(entry);
>  				continue;
> diff --git a/builtin/fast-export.c b/builtin/fast-export.c
> index f541f55d33..287dbd24a3 100644
> --- a/builtin/fast-export.c
> +++ b/builtin/fast-export.c
> @@ -148,7 +148,7 @@ static const void *anonymize_mem(struct hashmap *map,
>  	if (!map->cmpfn)
>  		hashmap_init(map, anonymized_entry_cmp, NULL, 0);
>  
> -	hashmap_entry_init(&key, memhash(orig, *len));
> +	hashmap_entry_init(&key.hash, memhash(orig, *len));
>  	key.orig = orig;
>  	key.orig_len = *len;
>  	ret = hashmap_get(map, &key, NULL);
> diff --git a/builtin/fetch.c b/builtin/fetch.c
> index 717dd14e89..b7d70eee70 100644
> --- a/builtin/fetch.c
> +++ b/builtin/fetch.c
> @@ -276,7 +276,7 @@ static struct refname_hash_entry *refname_hash_add(struct hashmap *map,
>  	size_t len = strlen(refname);
>  
>  	FLEX_ALLOC_MEM(ent, refname, refname, len);
> -	hashmap_entry_init(ent, strhash(refname));
> +	hashmap_entry_init(&ent->ent, strhash(refname));
>  	oidcpy(&ent->oid, oid);
>  	hashmap_add(map, ent);
>  	return ent;
> diff --git a/config.c b/config.c
> index 3900e4947b..08d866e7de 100644
> --- a/config.c
> +++ b/config.c
> @@ -1861,7 +1861,7 @@ static struct config_set_element *configset_find_element(struct config_set *cs,
>  	if (git_config_parse_key(key, &normalized_key, NULL))
>  		return NULL;
>  
> -	hashmap_entry_init(&k, strhash(normalized_key));
> +	hashmap_entry_init(&k.ent, strhash(normalized_key));
>  	k.key = normalized_key;
>  	found_entry = hashmap_get(&cs->config_hash, &k, NULL);
>  	free(normalized_key);
> @@ -1882,7 +1882,7 @@ static int configset_add_value(struct config_set *cs, const char *key, const cha
>  	 */
>  	if (!e) {
>  		e = xmalloc(sizeof(*e));
> -		hashmap_entry_init(e, strhash(key));
> +		hashmap_entry_init(&e->ent, strhash(key));
>  		e->key = xstrdup(key);
>  		string_list_init(&e->value_list, 1);
>  		hashmap_add(&cs->config_hash, e);
> diff --git a/diffcore-rename.c b/diffcore-rename.c
> index 9624864858..44a3ab1e31 100644
> --- a/diffcore-rename.c
> +++ b/diffcore-rename.c
> @@ -329,7 +329,7 @@ static void insert_file_table(struct repository *r,
>  	entry->index = index;
>  	entry->filespec = filespec;
>  
> -	hashmap_entry_init(entry, hash_filespec(r, filespec));
> +	hashmap_entry_init(&entry->entry, hash_filespec(r, filespec));
>  	hashmap_add(table, entry);
>  }
>  
> diff --git a/hashmap.c b/hashmap.c
> index d42f01ff5a..6818c65174 100644
> --- a/hashmap.c
> +++ b/hashmap.c
> @@ -293,13 +293,13 @@ const void *memintern(const void *data, size_t len)
>  		hashmap_init(&map, (hashmap_cmp_fn) pool_entry_cmp, NULL, 0);
>  
>  	/* lookup interned string in pool */
> -	hashmap_entry_init(&key, memhash(data, len));
> +	hashmap_entry_init(&key.ent, memhash(data, len));
>  	key.len = len;
>  	e = hashmap_get(&map, &key, data);
>  	if (!e) {
>  		/* not found: create it */
>  		FLEX_ALLOC_MEM(e, data, data, len);
> -		hashmap_entry_init(e, key.ent.hash);
> +		hashmap_entry_init(&e->ent, key.ent.hash);
>  		e->len = len;
>  		hashmap_add(&map, e);
>  	}
> diff --git a/hashmap.h b/hashmap.h
> index 8424911566..3d7939c291 100644
> --- a/hashmap.h
> +++ b/hashmap.h
> @@ -48,14 +48,14 @@
>   *         if (!strcmp("add", action)) {
>   *             struct long2string *e;
>   *             FLEX_ALLOC_STR(e, value, value);
> - *             hashmap_entry_init(e, memhash(&key, sizeof(long)));
> + *             hashmap_entry_init(&e->ent, memhash(&key, sizeof(long)));
>   *             e->key = key;
>   *             hashmap_add(&map, e);
>   *         }
>   *
>   *         if (!strcmp("print_all_by_key", action)) {
>   *             struct long2string k, *e;
> - *             hashmap_entry_init(&k, memhash(&key, sizeof(long)));
> + *             hashmap_entry_init(&k->ent, memhash(&key, sizeof(long)));
>   *             k.key = key;
>   *
>   *             flags &= ~COMPARE_VALUE;
> @@ -70,7 +70,7 @@
>   *         if (!strcmp("has_exact_match", action)) {
>   *             struct long2string *e;
>   *             FLEX_ALLOC_STR(e, value, value);
> - *             hashmap_entry_init(e, memhash(&key, sizeof(long)));
> + *             hashmap_entry_init(&e->ent, memhash(&key, sizeof(long)));
>   *             e->key = key;
>   *
>   *             flags |= COMPARE_VALUE;
> @@ -80,7 +80,7 @@
>   *
>   *         if (!strcmp("has_exact_match_no_heap_alloc", action)) {
>   *             struct long2string k;
> - *             hashmap_entry_init(&k, memhash(&key, sizeof(long)));
> + *             hashmap_entry_init(&k->ent, memhash(&key, sizeof(long)));
>   *             k.key = key;
>   *
>   *             flags |= COMPARE_VALUE;
> @@ -244,9 +244,9 @@ void hashmap_free(struct hashmap *map, int free_entries);
>   * your structure was allocated with xmalloc(), you can just free(3) it,
>   * and if it is on stack, you can just let it go out of scope).
>   */
> -static inline void hashmap_entry_init(void *entry, unsigned int hash)
> +static inline void
> +hashmap_entry_init(struct hashmap_entry *e, unsigned int hash)
>  {
> -	struct hashmap_entry *e = entry;
>  	e->hash = hash;
>  	e->next = NULL;
>  }
> diff --git a/merge-recursive.c b/merge-recursive.c
> index 6b812d67e3..6bc4f14ff4 100644
> --- a/merge-recursive.c
> +++ b/merge-recursive.c
> @@ -61,7 +61,7 @@ static struct dir_rename_entry *dir_rename_find_entry(struct hashmap *hashmap,
>  
>  	if (dir == NULL)
>  		return NULL;
> -	hashmap_entry_init(&key, strhash(dir));
> +	hashmap_entry_init(&key.ent, strhash(dir));
>  	key.dir = dir;
>  	return hashmap_get(hashmap, &key, NULL);
>  }
> @@ -85,7 +85,7 @@ static void dir_rename_init(struct hashmap *map)
>  static void dir_rename_entry_init(struct dir_rename_entry *entry,
>  				  char *directory)
>  {
> -	hashmap_entry_init(entry, strhash(directory));
> +	hashmap_entry_init(&entry->ent, strhash(directory));
>  	entry->dir = directory;
>  	entry->non_unique_new_dir = 0;
>  	strbuf_init(&entry->new_dir, 0);
> @@ -97,7 +97,7 @@ static struct collision_entry *collision_find_entry(struct hashmap *hashmap,
>  {
>  	struct collision_entry key;
>  
> -	hashmap_entry_init(&key, strhash(target_file));
> +	hashmap_entry_init(&key.ent, strhash(target_file));
>  	key.target_file = target_file;
>  	return hashmap_get(hashmap, &key, NULL);
>  }
> @@ -454,7 +454,7 @@ static int save_files_dirs(const struct object_id *oid,
>  	strbuf_addstr(base, path);
>  
>  	FLEX_ALLOC_MEM(entry, path, base->buf, base->len);
> -	hashmap_entry_init(entry, path_hash(entry->path));
> +	hashmap_entry_init(&entry->e, path_hash(entry->path));
>  	hashmap_add(&opt->current_file_dir_set, entry);
>  
>  	strbuf_setlen(base, baselen);
> @@ -731,7 +731,7 @@ static char *unique_path(struct merge_options *opt, const char *path, const char
>  	}
>  
>  	FLEX_ALLOC_MEM(entry, path, newpath.buf, newpath.len);
> -	hashmap_entry_init(entry, path_hash(entry->path));
> +	hashmap_entry_init(&entry->e, path_hash(entry->path));
>  	hashmap_add(&opt->current_file_dir_set, entry);
>  	return strbuf_detach(&newpath, NULL);
>  }
> @@ -2358,7 +2358,8 @@ static void compute_collisions(struct hashmap *collisions,
>  		if (!collision_ent) {
>  			collision_ent = xcalloc(1,
>  						sizeof(struct collision_entry));
> -			hashmap_entry_init(collision_ent, strhash(new_path));
> +			hashmap_entry_init(&collision_ent->ent,
> +						strhash(new_path));
>  			hashmap_put(collisions, collision_ent);
>  			collision_ent->target_file = new_path;
>  		} else {
> diff --git a/name-hash.c b/name-hash.c
> index 695908609f..1ce1417f7e 100644
> --- a/name-hash.c
> +++ b/name-hash.c
> @@ -33,7 +33,7 @@ static struct dir_entry *find_dir_entry__hash(struct index_state *istate,
>  		const char *name, unsigned int namelen, unsigned int hash)
>  {
>  	struct dir_entry key;
> -	hashmap_entry_init(&key, hash);
> +	hashmap_entry_init(&key.ent, hash);
>  	key.namelen = namelen;
>  	return hashmap_get(&istate->dir_hash, &key, name);
>  }
> @@ -68,7 +68,7 @@ static struct dir_entry *hash_dir_entry(struct index_state *istate,
>  	if (!dir) {
>  		/* not found, create it and add to hash table */
>  		FLEX_ALLOC_MEM(dir, name, ce->name, namelen);
> -		hashmap_entry_init(dir, memihash(ce->name, namelen));
> +		hashmap_entry_init(&dir->ent, memihash(ce->name, namelen));
>  		dir->namelen = namelen;
>  		hashmap_add(&istate->dir_hash, dir);
>  
> @@ -106,7 +106,7 @@ static void hash_index_entry(struct index_state *istate, struct cache_entry *ce)
>  	if (ce->ce_flags & CE_HASHED)
>  		return;
>  	ce->ce_flags |= CE_HASHED;
> -	hashmap_entry_init(ce, memihash(ce->name, ce_namelen(ce)));
> +	hashmap_entry_init(&ce->ent, memihash(ce->name, ce_namelen(ce)));
>  	hashmap_add(&istate->name_hash, ce);
>  
>  	if (ignore_case)
> @@ -280,7 +280,7 @@ static struct dir_entry *hash_dir_entry_with_parent_and_prefix(
>  	dir = find_dir_entry__hash(istate, prefix->buf, prefix->len, hash);
>  	if (!dir) {
>  		FLEX_ALLOC_MEM(dir, name, prefix->buf, prefix->len);
> -		hashmap_entry_init(dir, hash);
> +		hashmap_entry_init(&dir->ent, hash);
>  		dir->namelen = prefix->len;
>  		dir->parent = parent;
>  		hashmap_add(&istate->dir_hash, dir);
> @@ -472,7 +472,7 @@ static void *lazy_name_thread_proc(void *_data)
>  	for (k = 0; k < d->istate->cache_nr; k++) {
>  		struct cache_entry *ce_k = d->istate->cache[k];
>  		ce_k->ce_flags |= CE_HASHED;
> -		hashmap_entry_init(ce_k, d->lazy_entries[k].hash_name);
> +		hashmap_entry_init(&ce_k->ent, d->lazy_entries[k].hash_name);
>  		hashmap_add(&d->istate->name_hash, ce_k);
>  	}
>  
> diff --git a/packfile.c b/packfile.c
> index 37fe0b73a6..96535eb86b 100644
> --- a/packfile.c
> +++ b/packfile.c
> @@ -1487,7 +1487,7 @@ static void add_delta_base_cache(struct packed_git *p, off_t base_offset,
>  
>  	if (!delta_base_cache.cmpfn)
>  		hashmap_init(&delta_base_cache, delta_base_cache_hash_cmp, NULL, 0);
> -	hashmap_entry_init(ent, pack_entry_hash(p, base_offset));
> +	hashmap_entry_init(&ent->ent, pack_entry_hash(p, base_offset));
>  	hashmap_add(&delta_base_cache, ent);
>  }
>  
> diff --git a/patch-ids.c b/patch-ids.c
> index e8c150d0c9..a2da711678 100644
> --- a/patch-ids.c
> +++ b/patch-ids.c
> @@ -83,7 +83,7 @@ static int init_patch_id_entry(struct patch_id *patch,
>  	if (commit_patch_id(commit, &ids->diffopts, &header_only_patch_id, 1, 0))
>  		return -1;
>  
> -	hashmap_entry_init(patch, oidhash(&header_only_patch_id));
> +	hashmap_entry_init(&patch->ent, oidhash(&header_only_patch_id));
>  	return 0;
>  }
>  
> diff --git a/range-diff.c b/range-diff.c
> index ba1e9a4265..32b29f9594 100644
> --- a/range-diff.c
> +++ b/range-diff.c
> @@ -217,7 +217,7 @@ static void find_exact_matches(struct string_list *a, struct string_list *b)
>  		util->i = i;
>  		util->patch = a->items[i].string;
>  		util->diff = util->patch + util->diff_offset;
> -		hashmap_entry_init(util, strhash(util->diff));
> +		hashmap_entry_init(&util->e, strhash(util->diff));
>  		hashmap_add(&map, util);
>  	}
>  
> @@ -228,7 +228,7 @@ static void find_exact_matches(struct string_list *a, struct string_list *b)
>  		util->i = i;
>  		util->patch = b->items[i].string;
>  		util->diff = util->patch + util->diff_offset;
> -		hashmap_entry_init(util, strhash(util->diff));
> +		hashmap_entry_init(&util->e, strhash(util->diff));
>  		other = hashmap_remove(&map, util, NULL);
>  		if (other) {
>  			if (other->matching >= 0)
> diff --git a/ref-filter.c b/ref-filter.c
> index f27cfc8c3e..206014c93d 100644
> --- a/ref-filter.c
> +++ b/ref-filter.c
> @@ -1565,7 +1565,8 @@ static void populate_worktree_map(struct hashmap *map, struct worktree **worktre
>  			struct ref_to_worktree_entry *entry;
>  			entry = xmalloc(sizeof(*entry));
>  			entry->wt = worktrees[i];
> -			hashmap_entry_init(entry, strhash(worktrees[i]->head_ref));
> +			hashmap_entry_init(&entry->ent,
> +					strhash(worktrees[i]->head_ref));
>  
>  			hashmap_add(map, entry);
>  		}
> diff --git a/refs.c b/refs.c
> index cd297ee4bd..c43ec59c6e 100644
> --- a/refs.c
> +++ b/refs.c
> @@ -1796,7 +1796,7 @@ static struct ref_store_hash_entry *alloc_ref_store_hash_entry(
>  	struct ref_store_hash_entry *entry;
>  
>  	FLEX_ALLOC_STR(entry, name, name);
> -	hashmap_entry_init(entry, strhash(name));
> +	hashmap_entry_init(&entry->ent, strhash(name));
>  	entry->refs = refs;
>  	return entry;
>  }
> diff --git a/remote.c b/remote.c
> index e50f7602ed..bd81cb71bc 100644
> --- a/remote.c
> +++ b/remote.c
> @@ -158,7 +158,7 @@ static struct remote *make_remote(const char *name, int len)
>  	ALLOC_GROW(remotes, remotes_nr + 1, remotes_alloc);
>  	remotes[remotes_nr++] = ret;
>  
> -	hashmap_entry_init(ret, lookup_entry.hash);
> +	hashmap_entry_init(&ret->ent, lookup_entry.hash);
>  	replaced = hashmap_put(&remotes_hash, ret);
>  	assert(replaced == NULL);  /* no previous entry overwritten */
>  	return ret;
> diff --git a/revision.c b/revision.c
> index 07412297f0..3461c78883 100644
> --- a/revision.c
> +++ b/revision.c
> @@ -141,7 +141,7 @@ static void paths_and_oids_insert(struct hashmap *map,
>  	struct path_and_oids_entry key;
>  	struct path_and_oids_entry *entry;
>  
> -	hashmap_entry_init(&key, hash);
> +	hashmap_entry_init(&key.ent, hash);
>  
>  	/* use a shallow copy for the lookup */
>  	key.path = (char *)path;
> @@ -149,7 +149,7 @@ static void paths_and_oids_insert(struct hashmap *map,
>  
>  	if (!(entry = (struct path_and_oids_entry *)hashmap_get(map, &key, NULL))) {
>  		entry = xcalloc(1, sizeof(struct path_and_oids_entry));
> -		hashmap_entry_init(entry, hash);
> +		hashmap_entry_init(&entry->ent, hash);
>  		entry->path = xstrdup(key.path);
>  		oidset_init(&entry->trees, 16);
>  		hashmap_put(map, entry);
> diff --git a/sequencer.c b/sequencer.c
> index 34ebf8ed94..1140cdf526 100644
> --- a/sequencer.c
> +++ b/sequencer.c
> @@ -4538,7 +4538,7 @@ static const char *label_oid(struct object_id *oid, const char *label,
>  	}
>  
>  	FLEX_ALLOC_STR(labels_entry, label, label);
> -	hashmap_entry_init(labels_entry, strihash(label));
> +	hashmap_entry_init(&labels_entry->entry, strihash(label));
>  	hashmap_add(&state->labels, labels_entry);
>  
>  	FLEX_ALLOC_STR(string_entry, string, label);
> @@ -5252,7 +5252,8 @@ int todo_list_rearrange_squash(struct todo_list *todo_list)
>  						strhash(subject), subject)) {
>  			FLEX_ALLOC_MEM(entry, subject, subject, subject_len);
>  			entry->i = i;
> -			hashmap_entry_init(entry, strhash(entry->subject));
> +			hashmap_entry_init(&entry->entry,
> +					strhash(entry->subject));
>  			hashmap_put(&subject2item, entry);
>  		}
>  	}
> diff --git a/sub-process.c b/sub-process.c
> index 3f4af93555..9847dad6fc 100644
> --- a/sub-process.c
> +++ b/sub-process.c
> @@ -20,7 +20,7 @@ struct subprocess_entry *subprocess_find_entry(struct hashmap *hashmap, const ch
>  {
>  	struct subprocess_entry key;
>  
> -	hashmap_entry_init(&key, strhash(cmd));
> +	hashmap_entry_init(&key.ent, strhash(cmd));
>  	key.cmd = cmd;
>  	return hashmap_get(hashmap, &key, NULL);
>  }
> @@ -96,7 +96,7 @@ int subprocess_start(struct hashmap *hashmap, struct subprocess_entry *entry, co
>  		return err;
>  	}
>  
> -	hashmap_entry_init(entry, strhash(cmd));
> +	hashmap_entry_init(&entry->ent, strhash(cmd));
>  
>  	err = startfn(entry);
>  	if (err) {
> diff --git a/submodule-config.c b/submodule-config.c
> index 4264ee216f..4aa02e280e 100644
> --- a/submodule-config.c
> +++ b/submodule-config.c
> @@ -123,7 +123,7 @@ static void cache_put_path(struct submodule_cache *cache,
>  	unsigned int hash = hash_oid_string(&submodule->gitmodules_oid,
>  					    submodule->path);
>  	struct submodule_entry *e = xmalloc(sizeof(*e));
> -	hashmap_entry_init(e, hash);
> +	hashmap_entry_init(&e->ent, hash);
>  	e->config = submodule;
>  	hashmap_put(&cache->for_path, e);
>  }
> @@ -135,7 +135,7 @@ static void cache_remove_path(struct submodule_cache *cache,
>  					    submodule->path);
>  	struct submodule_entry e;
>  	struct submodule_entry *removed;
> -	hashmap_entry_init(&e, hash);
> +	hashmap_entry_init(&e.ent, hash);
>  	e.config = submodule;
>  	removed = hashmap_remove(&cache->for_path, &e, NULL);
>  	free(removed);
> @@ -147,7 +147,7 @@ static void cache_add(struct submodule_cache *cache,
>  	unsigned int hash = hash_oid_string(&submodule->gitmodules_oid,
>  					    submodule->name);
>  	struct submodule_entry *e = xmalloc(sizeof(*e));
> -	hashmap_entry_init(e, hash);
> +	hashmap_entry_init(&e->ent, hash);
>  	e->config = submodule;
>  	hashmap_add(&cache->for_name, e);
>  }
> @@ -163,7 +163,7 @@ static const struct submodule *cache_lookup_path(struct submodule_cache *cache,
>  	oidcpy(&key_config.gitmodules_oid, gitmodules_oid);
>  	key_config.path = path;
>  
> -	hashmap_entry_init(&key, hash);
> +	hashmap_entry_init(&key.ent, hash);
>  	key.config = &key_config;
>  
>  	entry = hashmap_get(&cache->for_path, &key, NULL);
> @@ -183,7 +183,7 @@ static struct submodule *cache_lookup_name(struct submodule_cache *cache,
>  	oidcpy(&key_config.gitmodules_oid, gitmodules_oid);
>  	key_config.name = name;
>  
> -	hashmap_entry_init(&key, hash);
> +	hashmap_entry_init(&key.ent, hash);
>  	key.config = &key_config;
>  
>  	entry = hashmap_get(&cache->for_name, &key, NULL);
> diff --git a/t/helper/test-hashmap.c b/t/helper/test-hashmap.c
> index aaf17b0ddf..0c9fd7c996 100644
> --- a/t/helper/test-hashmap.c
> +++ b/t/helper/test-hashmap.c
> @@ -37,7 +37,7 @@ static struct test_entry *alloc_test_entry(unsigned int hash,
>  	size_t klen = strlen(key);
>  	size_t vlen = strlen(value);
>  	struct test_entry *entry = xmalloc(st_add4(sizeof(*entry), klen, vlen, 2));
> -	hashmap_entry_init(entry, hash);
> +	hashmap_entry_init(&entry->ent, hash);
>  	memcpy(entry->key, key, klen + 1);
>  	memcpy(entry->key + klen + 1, value, vlen + 1);
>  	return entry;
> @@ -103,7 +103,7 @@ static void perf_hashmap(unsigned int method, unsigned int rounds)
>  
>  			/* add entries */
>  			for (i = 0; i < TEST_SIZE; i++) {
> -				hashmap_entry_init(entries[i], hashes[i]);
> +				hashmap_entry_init(&entries[i]->ent, hashes[i]);
>  				hashmap_add(&map, entries[i]);
>  			}
>  
> @@ -116,7 +116,7 @@ static void perf_hashmap(unsigned int method, unsigned int rounds)
>  		/* fill the map (sparsely if specified) */
>  		j = (method & TEST_SPARSE) ? TEST_SIZE / 10 : TEST_SIZE;
>  		for (i = 0; i < j; i++) {
> -			hashmap_entry_init(entries[i], hashes[i]);
> +			hashmap_entry_init(&entries[i]->ent, hashes[i]);
>  			hashmap_add(&map, entries[i]);
>  		}
>  
> 




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