diff options
Diffstat (limited to 'absl/hash/internal/spy_hash_state.h')
-rw-r--r-- | absl/hash/internal/spy_hash_state.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/absl/hash/internal/spy_hash_state.h b/absl/hash/internal/spy_hash_state.h index c4cc8d07..05c7cafe 100644 --- a/absl/hash/internal/spy_hash_state.h +++ b/absl/hash/internal/spy_hash_state.h @@ -146,6 +146,19 @@ class SpyHashStateImpl : public HashStateBase<SpyHashStateImpl<T>> { static SpyHashStateImpl combine_contiguous(SpyHashStateImpl hash_state, const unsigned char* begin, size_t size) { + const size_t large_chunk_stride = PiecewiseChunkSize(); + if (size > large_chunk_stride) { + // Combining a large contiguous buffer must have the same effect as + // doing it piecewise by the stride length, followed by the (possibly + // empty) remainder. + while (size >= large_chunk_stride) { + hash_state = SpyHashStateImpl::combine_contiguous( + std::move(hash_state), begin, large_chunk_stride); + begin += large_chunk_stride; + size -= large_chunk_stride; + } + } + hash_state.hash_representation_.emplace_back( reinterpret_cast<const char*>(begin), size); return hash_state; |