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| author | Sverker Eriksson <[email protected]> | 2014-01-14 18:13:45 +0100 |
|---|---|---|
| committer | Björn-Egil Dahlberg <[email protected]> | 2014-01-29 11:08:46 +0100 |
| commit | 00f9be42e43913bce9b110382e55bfbdaa9406d0 (patch) | |
| tree | 33d6d0ea665e1318c867dac24fc6f71bc4faa0e4 /erts/emulator/beam | |
| parent | ada36d9024b4ceda974f32a78b5fe39b64f59319 (diff) | |
| download | otp-00f9be42e43913bce9b110382e55bfbdaa9406d0.tar.gz otp-00f9be42e43913bce9b110382e55bfbdaa9406d0.tar.bz2 otp-00f9be42e43913bce9b110382e55bfbdaa9406d0.zip | |
erts: Fix map iterator bug when reverting from end of map position
and simplify code by ignoring h_limit which is always zero.
Diffstat (limited to 'erts/emulator/beam')
| -rw-r--r-- | erts/emulator/beam/erl_nif.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index c6f7c8adb5..6fceb8a0ba 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -1759,13 +1759,10 @@ int enif_map_iterator_next(ErlNifEnv *env, ErlNifMapIterator *iter) ASSERT(iter && is_map(iter->map)); if (iter->idx < iter->t_limit) { iter->idx++; - if (iter->idx != iter->t_limit) { - iter->ks++; - iter->vs++; - return 1; - } + iter->ks++; + iter->vs++; } - return 0; + return (iter->idx != iter->t_limit); } int enif_map_iterator_prev(ErlNifEnv *env, ErlNifMapIterator *iter) @@ -1773,13 +1770,10 @@ int enif_map_iterator_prev(ErlNifEnv *env, ErlNifMapIterator *iter) ASSERT(iter && is_map(iter->map)); if (iter->idx > 0) { iter->idx--; - if (iter->idx != 0) { - iter->ks--; - iter->vs--; - return 1; - } + iter->ks--; + iter->vs--; } - return 0; + return (iter->idx > 0); } int enif_map_iterator_get_pair(ErlNifEnv *env, |