From 2e61f98dd41ce7328aebc27debd78845afdc0dba Mon Sep 17 00:00:00 2001 From: Mikael Pettersson Date: Fri, 31 Jul 2015 21:15:13 +0200 Subject: erts: fix binary_to_integer boundary case erlang:binary_to_integer/1 and /2 fail to detect invalid input consisting of a single + or - sign but nothing else. For an input like <<"+">> they return 0, while list_to_integer/1 correctly signals a badarg for "+". Fixed by checking if the input is empty after the initial +/- sign processing. Added a test case which fails without this fix but passes with it. Thanks to "niku" for reporting the issue. --- erts/emulator/beam/big.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'erts/emulator/beam') diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c index 044bf6a34e..15bcd44fb9 100644 --- a/erts/emulator/beam/big.c +++ b/erts/emulator/beam/big.c @@ -2618,6 +2618,9 @@ Eterm erts_chars_to_integer(Process *BIF_P, char *bytes, size--; } + if (size == 0) + goto bytebuf_to_integer_1_error; + if (size < SMALL_DIGITS && base <= 10) { /* * * Take shortcut if we know that all chars are '0' < b < '9' and -- cgit v1.2.3 From 1497898b7d680de86d64bdec133003288adee820 Mon Sep 17 00:00:00 2001 From: Daniel Goertzen Date: Tue, 11 Aug 2015 12:02:50 -0500 Subject: fix unused parameter warning in enif_make_pid --- erts/emulator/beam/erl_nif_api_funcs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'erts/emulator/beam') diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h index f93152c921..2f2180e1aa 100644 --- a/erts/emulator/beam/erl_nif_api_funcs.h +++ b/erts/emulator/beam/erl_nif_api_funcs.h @@ -543,7 +543,7 @@ static ERL_NIF_INLINE ERL_NIF_TERM enif_make_list9(ErlNifEnv* env, #ifndef enif_make_pid -# define enif_make_pid(ENV, PID) ((const ERL_NIF_TERM)((PID)->pid)) +# define enif_make_pid(ENV, PID) ((void)(ENV),(const ERL_NIF_TERM)((PID)->pid)) #if SIZEOF_LONG == 8 # define enif_get_int64 enif_get_long -- cgit v1.2.3