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0357-erl_bif_binary.c-Eliminate-use-of-uninitia...
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File 0357-erl_bif_binary.c-Eliminate-use-of-uninitialized-vari.patch of Package erlang
From dd72d8bad8c40ec0878005d2ce5dc5add522fc8f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org> Date: Thu, 28 Jan 2021 07:56:57 +0100 Subject: [PATCH 1/4] erl_bif_binary.c: Eliminate use of uninitialized variable in debug build --- erts/emulator/beam/erl_bif_binary.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/erts/emulator/beam/erl_bif_binary.c b/erts/emulator/beam/erl_bif_binary.c index dbc606505e..a1a728f09e 100644 --- a/erts/emulator/beam/erl_bif_binary.c +++ b/erts/emulator/beam/erl_bif_binary.c @@ -1913,7 +1913,7 @@ static Eterm do_split_global_result(Process *p, Eterm subject, BinaryFindContext static BIF_RETTYPE binary_find_trap(BIF_ALIST_3) { int runres; - Eterm result; + Eterm result = THE_NON_VALUE; /* Used in debug build. */ Binary *ctx_bin = erts_magic_ref2bin(BIF_ARG_2); Binary *pat_bin = erts_magic_ref2bin(BIF_ARG_3); BinaryFindContext *ctx = NULL; @@ -1921,10 +1921,10 @@ static BIF_RETTYPE binary_find_trap(BIF_ALIST_3) ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(ctx_bin) == bf_context_destructor); runres = do_binary_find(BIF_P, BIF_ARG_1, &ctx, pat_bin, ctx_bin, &result); if (runres == BF_OK) { - ASSERT(result != THE_NON_VALUE); + ASSERT(is_value(result)); BIF_RET(result); } else { - ASSERT(result == THE_NON_VALUE && ctx->trap_term != result && ctx->pat_term != result); + ASSERT(is_non_value(result) && ctx->trap_term != result && ctx->pat_term != result); BIF_TRAP3(&binary_find_trap_export, BIF_P, BIF_ARG_1, BIF_ARG_2, BIF_ARG_3); } } -- 2.26.2
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