diff options
Diffstat (limited to 'src/zencore/blake3.cpp')
| -rw-r--r-- | src/zencore/blake3.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/zencore/blake3.cpp b/src/zencore/blake3.cpp index 4a77aa49a..054f0d3a0 100644 --- a/src/zencore/blake3.cpp +++ b/src/zencore/blake3.cpp @@ -151,6 +151,28 @@ BLAKE3Stream::Append(const void* data, size_t byteCount) return *this; } +BLAKE3Stream& +BLAKE3Stream::Append(const IoBuffer& Buffer) +{ + blake3_hasher* b3h = reinterpret_cast<blake3_hasher*>(m_HashState); + + size_t BufferSize = Buffer.GetSize(); + static const uint64_t BufferingSize = 256u * 1024u; + IoBufferFileReference FileRef; + if (BufferSize >= (BufferingSize + BufferingSize / 2) && Buffer.GetFileReference(FileRef)) + { + ScanFile(FileRef.FileHandle, FileRef.FileChunkOffset, FileRef.FileChunkSize, BufferingSize, [&b3h](const void* Data, size_t Size) { + blake3_hasher_update(b3h, Data, Size); + }); + } + else + { + blake3_hasher_update(b3h, Buffer.GetData(), BufferSize); + } + + return *this; +} + BLAKE3 BLAKE3Stream::GetHash() { |