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Update asyncfile.nim: support write to > 2GB file on Windows #25105

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Update asyncfile.nim: support write to > 2GB file on Windows #25105

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2 changes: 1 addition & 1 deletion lib/pure/asyncfile.nim
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Original file line number Diff line number Diff line change
Expand Up @@ -428,7 +428,7 @@ proc write*(f: AsyncFile, data: string): Future[void] =
dealloc buffer
buffer = nil
)
ol.offset = DWORD(f.offset and 0xffffffff)
ol.offset = cast[DWORD](f.offset and 0xffffffff)
ol.offsetHigh = DWORD(f.offset shr 32)
f.offset.inc(data.len)

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