From 0eb10c049517557c4d5849cb04498e36d738de3b Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sun, 1 Oct 2017 22:45:18 -0700
Subject: [PATCH] ircd: Add b64encoded_unpadded variant.

---
 include/ircd/lex_cast.h | 1 +
 ircd/lexical.cc         | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/include/ircd/lex_cast.h b/include/ircd/lex_cast.h
index 52c15fce3..f36c2c717 100644
--- a/include/ircd/lex_cast.h
+++ b/include/ircd/lex_cast.h
@@ -50,6 +50,7 @@ namespace ircd
 
 	// Binary <-> Base64 conversion suite
 	string_view b64encode(const mutable_buffer &out, const const_raw_buffer &in);
+	string_view b64encode_unpadded(const mutable_buffer &out, const const_raw_buffer &in);
 }
 
 namespace ircd
diff --git a/ircd/lexical.cc b/ircd/lexical.cc
index 49d968504..d82bb2326 100644
--- a/ircd/lexical.cc
+++ b/ircd/lexical.cc
@@ -561,6 +561,13 @@ ircd::try_lex_cast<long double>(const string_view &s)
 // ircd/stringops.h
 //
 
+ircd::string_view
+ircd::b64encode_unpadded(const mutable_buffer &out,
+                         const const_raw_buffer &in)
+{
+	return rstrip(b64encode(out, in), '=');
+}
+
 ircd::string_view
 ircd::b64encode(const mutable_buffer &out,
                 const const_raw_buffer &in)