general UI improvements

diff --git a/ref-filter.c b/ref-filter.c
index 56528caafd59c90de18b9fa951cf45d64712d59d..220e9bd74a507cb5e73fcdd64e88ab3ff384baff 100644 (file)
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -1028,7 +1028,7 @@ static const char *copy_name(const char *buf)
                if (!strncmp(cp, " <", 2))
                        return xmemdupz(buf, cp - buf);
        }
-       return "";
+       return xstrdup("");
 }
 
 static const char *copy_email(const char *buf)
@@ -1036,10 +1036,10 @@ static const char *copy_email(const char *buf)
        const char *email = strchr(buf, '<');
        const char *eoemail;
        if (!email)
-               return "";
+               return xstrdup("");
        eoemail = strchr(email, '>');
        if (!eoemail)
-               return "";
+               return xstrdup("");
        return xmemdupz(email, eoemail + 1 - email);
 }
 
@@ -1766,7 +1766,7 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
         * If it is a tag object, see if we use a value that derefs
         * the object, and if we do grab the object it refers to.
         */
-       oi_deref.oid = ((struct tag *)obj)->tagged->oid;
+       oi_deref.oid = *get_tagged_oid((struct tag *)obj);
 
        /*
         * NEEDSWORK: This derefs tag only once, which
@@ -1997,7 +1997,7 @@ static const struct object_id *match_points_at(struct oid_array *points_at,
        if (!obj)
                die(_("malformed object at '%s'"), refname);
        if (obj->type == OBJ_TAG)
-               tagged_oid = &((struct tag *)obj)->tagged->oid;
+               tagged_oid = get_tagged_oid((struct tag *)obj);
        if (tagged_oid && oid_array_lookup(points_at, tagged_oid) >= 0)
                return tagged_oid;
        return NULL;
@@ -2142,7 +2142,9 @@ static void free_array_item(struct ref_array_item *item)
 {
        free((char *)item->symref);
        if (item->value) {
-               free((char *)item->value->s);
+               int i;
+               for (i = 0; i < used_atom_cnt; i++)
+                       free((char *)item->value[i].s);
                free(item->value);
        }
        free(item);
@@ -2153,14 +2155,16 @@ void ref_array_clear(struct ref_array *array)
 {
        int i;
 
-       for (i = 0; i < used_atom_cnt; i++)
-               free((char *)used_atom[i].name);
-       FREE_AND_NULL(used_atom);
-       used_atom_cnt = 0;
        for (i = 0; i < array->nr; i++)
                free_array_item(array->items[i]);
        FREE_AND_NULL(array->items);
        array->nr = array->alloc = 0;
+
+       for (i = 0; i < used_atom_cnt; i++)
+               free((char *)used_atom[i].name);
+       FREE_AND_NULL(used_atom);
+       used_atom_cnt = 0;
+
        if (ref_to_worktree_map.worktrees) {
                hashmap_free(&(ref_to_worktree_map.map), 1);
                free_worktrees(ref_to_worktree_map.worktrees);