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authorzousar <[email protected]>2025-06-24 16:26:29 -0600
committerzousar <[email protected]>2025-06-24 16:26:29 -0600
commitbb298631ba35a323827dda0b8cd6158e276b5f61 (patch)
tree7ba8db91c44ce83f2c518f80f80ab14910eefa6f /src/zencore/blake3.cpp
parentChange to PutResult structure (diff)
parent5.6.14 (diff)
downloadzen-bb298631ba35a323827dda0b8cd6158e276b5f61.tar.xz
zen-bb298631ba35a323827dda0b8cd6158e276b5f61.zip
Merge branch 'main' into zs/put-overwrite-policy
Diffstat (limited to 'src/zencore/blake3.cpp')
-rw-r--r--src/zencore/blake3.cpp22
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()
{