From acadbbc9d82247c039cea12ea5e86c1f4841fdb9 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 5 Oct 2019 08:47:17 +0200
Subject: Add sha{1,256}::reset()

---
 libbutl/sha256.mxx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'libbutl/sha256.mxx')

diff --git a/libbutl/sha256.mxx b/libbutl/sha256.mxx
index 2bb58b3..6d53ead 100644
--- a/libbutl/sha256.mxx
+++ b/libbutl/sha256.mxx
@@ -41,7 +41,7 @@ LIBBUTL_MODEXPORT namespace butl
   class LIBBUTL_SYMEXPORT sha256
   {
   public:
-    sha256 ();
+    sha256 () {reset ();}
 
     // Append binary data.
     //
@@ -113,6 +113,11 @@ LIBBUTL_MODEXPORT namespace butl
     bool
     empty () const {return empty_;}
 
+    // Reset to the default-constructed state.
+    //
+    void
+    reset ();
+
     // Extract result.
     //
     // It can be obtained as either a 32-byte binary digest or as a 64-
-- 
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