ArrayRef-ize MD5 and clean up a few variable names.

Add a stringize method to make dumping a bit easier, and add a testcase
exercising a few different paths.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182692 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 4 deletions

diff --git a/include/llvm/Support/MD5.h b/include/llvm/Support/MD5.h
index fd52ca54e1..9d306993f0 100644
--- a/include/llvm/Support/MD5.h
+++ b/include/llvm/Support/MD5.h
@@ -28,10 +28,13 @@
 #ifndef LLVM_SYSTEM_MD5_H
 #define LLVM_SYSTEM_MD5_H
 
+#include "llvm/ADT/SmallString.h"
 #include "llvm/Support/DataTypes.h"
 
 namespace llvm {
 
+template <typename T> class ArrayRef;
+
 class MD5 {
   // Any 32-bit or wider unsigned integer data type will do.
   typedef uint32_t MD5_u32plus;
@@ -41,17 +44,21 @@ class MD5 {
   unsigned char buffer[64];
   MD5_u32plus block[16];
 
- public:
+public:
+  typedef unsigned char MD5Result[16];
+
   MD5();
 
   /// \brief Updates the hash for arguments provided.
-  void Update(void *data, unsigned long size);
+  void update(ArrayRef<unsigned char> Data);
 
   /// \brief Finishes off the hash and puts the result in result.
-  void Final(unsigned char *result);
+  void final(MD5Result &result);
+
+  static void stringifyResult(MD5Result &Res, SmallString<32> &Str);
 
 private:
-  void *body(void *data, unsigned long size);
+  const unsigned char *body(ArrayRef<unsigned char> Data);
 };
 
 }