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| author | Sverker Eriksson <[email protected]> | 2018-05-16 17:16:49 +0200 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2018-05-16 17:16:49 +0200 |
| commit | 23db9db1dbe6ef3549a2b219dab7b849bb56c307 (patch) | |
| tree | b284df0cbc4e813a7928c0fcfbc60a88573d0226 | |
| parent | eedfe1a5e3a85ff5ec7ab49d491250f3b501f3ba (diff) | |
| download | otp-23db9db1dbe6ef3549a2b219dab7b849bb56c307.tar.gz otp-23db9db1dbe6ef3549a2b219dab7b849bb56c307.tar.bz2 otp-23db9db1dbe6ef3549a2b219dab7b849bb56c307.zip | |
erts: Silence gcc warnings
‘res’ may be used uninitialized in this function
| -rw-r--r-- | erts/emulator/beam/erl_map.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/erts/emulator/beam/erl_map.c b/erts/emulator/beam/erl_map.c index 05e8fc11a2..48154b5d0f 100644 --- a/erts/emulator/beam/erl_map.c +++ b/erts/emulator/beam/erl_map.c @@ -3133,7 +3133,6 @@ BIF_RETTYPE erts_internal_map_next_3(BIF_ALIST_3) { * as this is how the list as a whole is constructed. */ hp = HAlloc(BIF_P, (2 + 3) * elems); - res = BIF_ARG_3; } orig_elems = elems; @@ -3157,12 +3156,15 @@ BIF_RETTYPE erts_internal_map_next_3(BIF_ALIST_3) { if (is_list(ptr[PATH_ELEM(curr_path)])) { Eterm *lst = list_val(ptr[PATH_ELEM(curr_path)]); if (type == iterator) { - res = TUPLE3(hp, CAR(lst), CDR(lst), make_tuple(hp+4)); + res = make_tuple(hp); + hp[0] = make_arityval(3); + hp[1] = CAR(lst); + hp[2] = CDR(lst); + patch_ptr = &hp[3]; hp += 4; - patch_ptr = hp-1; } else { Eterm tup = TUPLE2(hp, CAR(lst), CDR(lst)); hp += 3; - res = CONS(hp, tup, res); hp += 2; + res = CONS(hp, tup, BIF_ARG_3); hp += 2; } elems--; break; @@ -3196,8 +3198,12 @@ BIF_RETTYPE erts_internal_map_next_3(BIF_ALIST_3) { while (idx < sz && elems != 0 && is_list(ptr[idx])) { Eterm *lst = list_val(ptr[idx]); if (type == iterator) { - (void) TUPLE3(hp, CAR(lst), CDR(lst), make_tuple(hp+4)); hp += 4; - patch_ptr = hp-1; + *patch_ptr = make_tuple(hp); + hp[0] = make_arityval(3); + hp[1] = CAR(lst); + hp[2] = CDR(lst); + patch_ptr = &hp[3]; + hp += 4; } else { Eterm tup = TUPLE2(hp, CAR(lst), CDR(lst)); hp += 3; res = CONS(hp, tup, res); hp += 2; |