1 files changed, 14 insertions, 3 deletions
diff --git a/contrib/epee/include/hex.h b/contrib/epee/include/hex.h
index 4e8f90786..8443cb92f 100644
--- a/contrib/epee/include/hex.h
+++ b/contrib/epee/include/hex.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2017-2019, The Monero Project
+// Copyright (c) 2017-2020, The Monero Project
 //
 // All rights reserved.
 //
@@ -80,9 +80,20 @@ namespace epee
     static void buffer_unchecked(char* out, const span<const std::uint8_t> src) noexcept;
   };
 
+  //! Convert hex in UTF8 encoding to binary
   struct from_hex
   {
-      //! \return An std::vector of unsigned integers from the `src`
-      static std::vector<uint8_t> vector(boost::string_ref src);
+    static bool to_string(std::string& out, boost::string_ref src);
+
+    static bool to_buffer(span<std::uint8_t> out, boost::string_ref src) noexcept;
+
+  private:
+    static bool to_buffer_unchecked(std::uint8_t* out, boost::string_ref src) noexcept;
+  };
+
+  //! Convert hex in current C locale encoding to binary
+  struct from_hex_locale
+  {
+      static std::vector<uint8_t> to_vector(boost::string_ref src);
   };
 }