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Add function for copying the data from one segment to another

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This commit is contained in:
Joshua Suskalo 2021-09-25 13:05:53 -05:00
parent 364af931c5
commit 7d970a177f
1 changed files with 6 additions and 1 deletions
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7
src/clj/coffi/ffi.clj
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@ -153,12 +153,17 @@
[scope action] [scope action]
(.addCloseAction ^ResourceScope scope action)) (.addCloseAction ^ResourceScope scope action))
(defn copy-segment
"Copies the content to `dest` from `src`"
[dest src]
(.copyFrom ^MemorySegment dest ^MemorySegment src))
(defn clone-segment (defn clone-segment
"Clones the content of `segment` into a new segment of the same size." "Clones the content of `segment` into a new segment of the same size."
([segment] (clone-segment segment (connected-scope))) ([segment] (clone-segment segment (connected-scope)))
([segment scope] ([segment scope]
(doto ^MemorySegment (alloc (.byteSize ^MemorySegment segment) scope) (doto ^MemorySegment (alloc (.byteSize ^MemorySegment segment) scope)
(.copyFrom ^MemorySegment segment)))) (copy-segment segment))))
(defn slice-segments (defn slice-segments
"Constructs a lazy seq of `size`-length memory segments, sliced from `segment`." "Constructs a lazy seq of `size`-length memory segments, sliced from `segment`."