-hGetStringBuffer expand_tabs fname =
-#if __GLASGOW_HASKELL__ >= 303
- (if expand_tabs
- then slurpFileExpandTabs fname
- else slurpFile fname)
- >>= \ (a , read) ->
- let (A# a#) = a
- (I# read#) = read
- in
- _casm_ `` ((char *)%0)[(int)%1]=(char)0; '' a (I# (read# -# 1#)) >>= \ () ->
- return (StringBuffer a# read# 0# 0#)
-#else
- openFile fname ReadMode >>= \ hndl ->
- hFileSize hndl >>= \ len ->
- let len_i = fromInteger len in
- -- Allocate an array for system call to store its bytes into.
- -- ToDo: make it robust
--- trace (show ((len_i::Int)+1)) $
- _casm_ `` %r=(char *)malloc(sizeof(char)*(int)%0); '' (len_i::Int) >>= \ arr@(A# a#) ->
- if addr2Int# a# ==# 0# then
- fail (userError ("hGetStringBuffer: Could not allocate "++show len_i ++ " bytes"))
- else
- readHandle hndl >>= \ hndl_ ->
- writeHandle hndl hndl_ >>
- let ptr = filePtr hndl_ in
-#if __GLASGOW_HASKELL__ <= 302
- _ccall_ fread arr (1::Int) len_i (ptr::ForeignObj) >>= \ (I# read#) ->
+hGetStringBuffer expand_tabs fname = do
+ (a, read) <- if expand_tabs
+ then slurpFileExpandTabs fname
+#if __GLASGOW_HASKELL__ < 411
+ else slurpFile fname