update longtail to 0.4.0-pre0

.github/workflows/create-release.yml

@@ -12,6 +12,7 @@ jobs:
 
     strategy:
       matrix:
+        arch: [amd64]
         include:
         - os: ubuntu-20.04
           target: "./cmd/longtail/longtail"

.github/workflows/pr-build.yml

@@ -20,6 +20,10 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, macos-latest, windows-latest]
+        arch: [amd64]
+#        include:
+#          - os: macos-latest
+#            arch: arm64
 
     runs-on: ${{matrix.os}}
 
@@ -46,9 +50,16 @@ jobs:
           pushd ./remotestore
           go test .
           popd
+        env:
+          GOARCH: "${{matrix.arch}}"
+          CGO_ENABLED: 1
+
 
       - name: build cmd
         run: |
           pushd ./cmd/longtail
           go build .
           popd
+        env:
+          GOARCH: ${{matrix.arch}}
+          CGO_ENABLED: 1

longtaillib/longtail/include/src/longtail.h

@@ -1555,7 +1555,7 @@ struct Longtail_StoreIndex
     uint32_t* m_ChunkCount;             // Total number of chunks across all blocks - chunk hashes may occur more than once
     TLongtail_Hash* m_BlockHashes;      // [] m_BlockHashes is the hash of each block
     TLongtail_Hash* m_ChunkHashes;      // [] For each m_BlockChunkCount[n] there are n consecutive chunk hashes in m_ChunkHashes[]
-    uint32_t* m_BlockChunksOffsets;     // [] m_BlockChunksOffsets[n] is the offset in m_ChunkBlockCount[] and m_ChunkHashes[]
+    uint32_t* m_BlockChunksOffsets;     // [] m_BlockChunksOffsets[n] is the offset in m_ChunkSizes[] and m_ChunkHashes[]
     uint32_t* m_BlockChunkCounts;       // [] m_BlockChunkCounts[n] is number of chunks in block m_BlockHash[n]
     uint32_t* m_BlockTags;              // [] m_BlockTags is the tag for each block
     uint32_t* m_ChunkSizes;             // [] m_ChunkSizes is the size of each chunk
@@ -1632,7 +1632,19 @@ LONGTAIL_EXPORT int Longtail_ValidateStore(
  * @param[in] store_index   The source index to copy from
  * @return                  An initialized struct Longtail_StoreIndex copied from @p store_index, or 0 on bad parameters / out of memory
  */
-LONGTAIL_EXPORT struct Longtail_StoreIndex* Longtail_CopyStoreIndex(struct Longtail_StoreIndex* store_index);
+LONGTAIL_EXPORT struct Longtail_StoreIndex* Longtail_CopyStoreIndex(const struct Longtail_StoreIndex* store_index);
+
+/*! @brief Splits a Longtail_StoreIndex into multiple store indexes
+ *
+ * Splits a Longtail_StoreIndex into multiple store indexes with each having a max size of split_size.
+ *  *
+ * @param[in] store_index   The source index to split from
+ * @param[in] split_size    The maximum size each resulting store index may have
+ * @param[out] split_size   A pointer to a pointer that will contain a pointer to an array of store index pointers
+ * @param[out] out_count    A pointer that will contain the number of store indexes in the resulting out_store_indexes array
+ * @return                  Return code (errno style), zero on success.
+ */
+LONGTAIL_EXPORT int Longtail_SplitStoreIndex(struct Longtail_StoreIndex* store_index, size_t split_size, struct Longtail_StoreIndex*** out_store_indexes, uint64_t* out_count);
 
 /*! @brief Writes a struct Longtail_StoreIndex to a byte buffer.
  *

longtaillib/longtail_darwin_arm64.go

@@ -0,0 +1,4 @@
+package longtaillib
+
+// #cgo LDFLAGS: -L${SRCDIR}/longtail -llongtail_darwin_arm64 -lm
+import "C"