blob: ed4cd6fff73f0285049bff121a7d7b9bf43e587b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
{-# LANGUAGE CPP #-}
-- ----------------------------------------------------------------------------
--
-- (c) The University of Glasgow 2006
--
-- Fingerprints for recompilation checking and ABI versioning.
--
-- http://ghc.haskell.org/trac/ghc/wiki/Commentary/Compiler/RecompilationAvoidance
--
-- ----------------------------------------------------------------------------
module Fingerprint (
Fingerprint(..), fingerprint0,
readHexFingerprint,
fingerprintData,
fingerprintString,
-- Re-exported from GHC.Fingerprint
getFileHash
) where
#include "md5.h"
##include "HsVersions.h"
import Numeric ( readHex )
import GHC.Fingerprint
-- useful for parsing the output of 'md5sum', should we want to do that.
readHexFingerprint :: String -> Fingerprint
readHexFingerprint s = Fingerprint w1 w2
where (s1,s2) = splitAt 16 s
[(w1,"")] = readHex s1
[(w2,"")] = readHex (take 16 s2)
|
