From f99d7d89b875085d0701a8f8170ac91eb61e6bb1 Mon Sep 17 00:00:00 2001 From: Nikita Mikhaylov Date: Wed, 25 Aug 2021 21:11:45 +0000 Subject: [PATCH] Added static assert --- src/Compression/LZ4_decompress_faster.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/Compression/LZ4_decompress_faster.cpp b/src/Compression/LZ4_decompress_faster.cpp index 4a11d457f9a..1aeae6b1b9a 100644 --- a/src/Compression/LZ4_decompress_faster.cpp +++ b/src/Compression/LZ4_decompress_faster.cpp @@ -476,14 +476,14 @@ bool NO_INLINE decompressImpl( // Due to implementation specifics the copy length is always a multiple of copy_amount size_t real_length = 0; + + static_assert(copy_amount == 8 || copy_amount == 16 || copy_amount == 32); if constexpr (copy_amount == 8) real_length = (((length >> 3) + 1) * 8); else if constexpr (copy_amount == 16) real_length = (((length >> 4) + 1) * 16); else if constexpr (copy_amount == 32) real_length = (((length >> 5) + 1) * 32); - else - throw std::runtime_error("Compile error!"); if (unlikely(ip + real_length >= input_end + ADDITIONAL_BYTES_AT_END_OF_BUFFER)) return false;