add readFileStrictAnyEncoding

1 files changed, 10 insertions, 0 deletions

diff --git a/Utility/Misc.hs b/Utility/Misc.hs
index 4b0e9a1e4..68199c828 100644
--- a/Utility/Misc.hs
+++ b/Utility/Misc.hs
@@ -21,6 +21,9 @@ import System.Posix.Process (getAnyProcessStatus)
 import Utility.Exception
 #endif
 
+import Utility.FileSystemEncoding
+import Utility.Monad
+
 {- A version of hgetContents that is not lazy. Ensures file is 
  - all read before it gets closed. -}
 hGetContentsStrict :: Handle -> IO String
@@ -30,6 +33,13 @@ hGetContentsStrict = hGetContents >=> \s -> length s `seq` return s
 readFileStrict :: FilePath -> IO String
 readFileStrict = readFile >=> \s -> length s `seq` return s
 
+{-  Reads a file strictly, and using the FileSystemEncofing, so it will
+ -  never crash on a badly encoded file. -}
+readFileStrictAnyEncoding :: FilePath -> IO String
+readFileStrictAnyEncoding f = withFile f ReadMode $ \h -> do
+	fileEncoding h
+	hClose h `after` hGetContentsStrict h
+
 {- Like break, but the item matching the condition is not included
  - in the second result list.
  -