diff options
| -rw-r--r-- | util/stanza.lua | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/util/stanza.lua b/util/stanza.lua index a0ab2a5a..213ed506 100644 --- a/util/stanza.lua +++ b/util/stanza.lua @@ -153,7 +153,7 @@ function stanza_mt:maptags(callback) local n_children, n_tags = #self, #tags; local i = 1; - while curr_tag <= n_tags do + while curr_tag <= n_tags and n_tags > 0 do if self[i] == tags[curr_tag] then local ret = callback(self[i]); if ret == nil then @@ -161,13 +161,15 @@ function stanza_mt:maptags(callback) t_remove(tags, curr_tag); n_children = n_children - 1; n_tags = n_tags - 1; + i = i - 1; + curr_tag = curr_tag - 1; else self[i] = ret; tags[i] = ret; end - i = i + 1; curr_tag = curr_tag + 1; end + i = i + 1; end return self; end |