From 14680fcc3fb9d0357fe33a94525d08896afed1c5 Mon Sep 17 00:00:00 2001 From: Richard Carlsson Date: Thu, 3 Dec 2015 14:33:53 +0100 Subject: erts: Use Sint instead of int for list lengths This avoids potential integer arithmetic overflow for very large lists. --- erts/emulator/beam/erl_utils.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'erts/emulator/beam/erl_utils.h') diff --git a/erts/emulator/beam/erl_utils.h b/erts/emulator/beam/erl_utils.h index 4058d63eaf..b86786a9c0 100644 --- a/erts/emulator/beam/erl_utils.h +++ b/erts/emulator/beam/erl_utils.h @@ -115,7 +115,7 @@ void erts_silence_warn_unused_result(long unused); int erts_fit_in_bits_int64(Sint64); int erts_fit_in_bits_int32(Sint32); int erts_fit_in_bits_uint(Uint); -int erts_list_length(Eterm); +Sint erts_list_length(Eterm); int erts_is_builtin(Eterm, Eterm, int); Uint32 make_broken_hash(Eterm); Uint32 block_hash(byte *, unsigned, Uint32); -- cgit v1.2.3