a149336a59
This gets it building on Windows again, with 1 test suite failure (addurl). Sponsored-by: Kevin Mueller
52 lines
1.3 KiB
Haskell
52 lines
1.3 KiB
Haskell
{- File size.
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-
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- Copyright 2015-2020 Joey Hess <id@joeyh.name>
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-
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- License: BSD-2-clause
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-}
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{-# LANGUAGE CPP #-}
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{-# OPTIONS_GHC -fno-warn-tabs #-}
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module Utility.FileSize (
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FileSize,
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getFileSize,
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getFileSize',
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) where
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#ifdef mingw32_HOST_OS
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import Control.Exception (bracket)
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import System.IO
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import qualified Utility.FileIO as F
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#else
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import System.PosixCompat.Files (fileSize)
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import qualified Utility.RawFilePath as R
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#endif
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import System.PosixCompat.Files (FileStatus)
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import Utility.OsPath
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type FileSize = Integer
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{- Gets the size of a file.
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-
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- This is better than using fileSize, because on Windows that returns a
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- FileOffset which maxes out at 2 gb.
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- See https://github.com/jystic/unix-compat/issues/16
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-}
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getFileSize :: OsPath -> IO FileSize
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#ifndef mingw32_HOST_OS
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getFileSize f = fmap (fromIntegral . fileSize) (R.getFileStatus (fromOsPath f))
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#else
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getFileSize f = bracket (F.openFile f ReadMode) hClose hFileSize
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#endif
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{- Gets the size of the file, when its FileStatus is already known.
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-
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- On windows, uses getFileSize. Otherwise, the FileStatus contains the
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- size, so this does not do any work. -}
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getFileSize' :: OsPath -> FileStatus -> IO FileSize
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#ifndef mingw32_HOST_OS
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getFileSize' _ s = return $ fromIntegral $ fileSize s
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#else
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getFileSize' f _ = getFileSize f
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#endif
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