1 files changed, 4 insertions, 4 deletions

diff --git a/remote.c b/remote.c
index 7a8a8a1b4a..f182382c83 100644
--- a/remote.c
+++ b/remote.c
@@ -928,7 +928,7 @@ static struct ref *alloc_ref_with_prefix(const char *prefix, size_t prefixlen,
 		const char *name)
 {
 	size_t len = strlen(name);
-	struct ref *ref = xcalloc(1, sizeof(struct ref) + prefixlen + len + 1);
+	struct ref *ref = xcalloc(1, st_add4(sizeof(*ref), prefixlen, len, 1));
 	memcpy(ref->name, prefix, prefixlen);
 	memcpy(ref->name + prefixlen, name, len);
 	return ref;
@@ -945,9 +945,9 @@ struct ref *copy_ref(const struct ref *ref)
 	size_t len;
 	if (!ref)
 		return NULL;
-	len = strlen(ref->name);
-	cpy = xmalloc(sizeof(struct ref) + len + 1);
-	memcpy(cpy, ref, sizeof(struct ref) + len + 1);
+	len = st_add3(sizeof(struct ref), strlen(ref->name), 1);
+	cpy = xmalloc(len);
+	memcpy(cpy, ref, len);
 	cpy->next = NULL;
 	cpy->symref = xstrdup_or_null(ref->symref);
 	cpy->remote_status = xstrdup_or_null(ref->remote_status);