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| author | Matthew Wild <mwild1@gmail.com> | 2013-04-03 13:38:27 +0100 |
|---|---|---|
| committer | Matthew Wild <mwild1@gmail.com> | 2013-04-03 13:38:27 +0100 |
| commit | 3230dc4c0a66f96726a190e30fdf67e64b8c15b8 (patch) | |
| tree | f9f150358ed1e45f642e8ff3ee6b967d12a942d3 /util | |
| parent | 245f4609913fed7a5c83ed1f931d3175843ad8c5 (diff) | |
| download | prosody-3230dc4c0a66f96726a190e30fdf67e64b8c15b8.tar.gz prosody-3230dc4c0a66f96726a190e30fdf67e64b8c15b8.zip | |
util.stanza: :maptags(): Fixes to make loop more robust on item removal
Diffstat (limited to 'util')
| -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 |