X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=dbus.c;h=6ed659a2393e870786035e71f22b05b193f85c36;hb=f58eedd538b3a138814a54b94b0c2c89ef727d82;hp=0054d1519e3bfdfd936dc0edec533f7b4a52063e;hpb=a16e112358ea8fea381ee106b89e645aed8b0a8c;p=elogind.git

diff --git a/dbus.c b/dbus.c
index 0054d1519..6ed659a23 100644
--- a/dbus.c
+++ b/dbus.c
@@ -1085,3 +1085,52 @@ int bus_property_append_int32(Manager *m, DBusMessageIter *i, const char *proper
 
         return 0;
 }
+
+int bus_parse_strv(DBusMessage *m, char ***_l) {
+        DBusMessageIter iter, sub;
+        unsigned n = 0, i = 0;
+        char **l;
+
+        assert(m);
+        assert(_l);
+
+        if (!dbus_message_iter_init(m, &iter) ||
+            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+            dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING)
+            return -EINVAL;
+
+        dbus_message_iter_recurse(&iter, &sub);
+
+        while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                n++;
+                dbus_message_iter_next(&sub);
+        }
+
+        if (!(l = new(char*, n+1)))
+                return -ENOMEM;
+
+        assert_se(dbus_message_iter_init(m, &iter));
+        dbus_message_iter_recurse(&iter, &sub);
+
+        while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                const char *s;
+
+                assert_se(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
+                dbus_message_iter_get_basic(&sub, &s);
+
+                if (!(l[i++] = strdup(s))) {
+                        strv_free(l);
+                        return -ENOMEM;
+                }
+
+                dbus_message_iter_next(&sub);
+        }
+
+        assert(i == n);
+        l[i] = NULL;
+
+        if (_l)
+                *_l = l;
+
+        return 0;
+}