add getFileSize, which can get the real size of a large file on Windows
Avoid using fileSize which maxes out at just 2 gb on Windows. Instead, use hFileSize, which doesn't have a bounded size. Fixes support for files > 2 gb on Windows. Note that the InodeCache code only needs to compare a file size, so it doesn't matter it the file size wraps. So it has been left as-is. This was necessary both to avoid invalidating existing inode caches, and because the code passed FileStatus around and would have become more expensive if it called getFileSize. This commit was sponsored by Christian Dietrich.
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22 changed files with 94 additions and 36 deletions
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@ -40,6 +40,9 @@ module Utility.InodeCache (
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import Common
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import System.PosixCompat.Types
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import Utility.QuickCheck
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-- While fileSize overflows and wraps at 2gb on Windows,
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-- it's ok for purposes of comparison.
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import System.PosixCompat.Files (fileSize)
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#ifdef mingw32_HOST_OS
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import Data.Word (Word64)
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