From a23cdb0e1cd20e3697494cf1e469fad0edfb13a3 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Mon, 8 Feb 2010 09:56:41 -0800
Subject: [PATCH] buffer: add decode_base64 method

---
 src/common/buffer.cc | 9 +++++++++
 src/include/buffer.h | 1 +
 2 files changed, 10 insertions(+)

diff --git a/src/common/buffer.cc b/src/common/buffer.cc
index a17b451291c47..da17022295478 100644
--- a/src/common/buffer.cc
+++ b/src/common/buffer.cc
@@ -32,6 +32,15 @@ void buffer::list::encode_base64(buffer::list& o)
   o.push_back(bp);
 }
 
+void buffer::list::decode_base64(buffer::list& e)
+{
+  bufferptr bp(e.length() * 3 / 4 + 1);
+  int l = ceph_unarmor(bp.c_str(), e.c_str(), e.c_str() + e.length());
+  assert(l <= (int)bp.length());
+  bp.set_length(l);
+  push_back(bp);
+}
+
 
 int buffer::list::read_file(const char *fn, bool silent)
 {
diff --git a/src/include/buffer.h b/src/include/buffer.h
index 936650986b4bf..a1656e0c145a5 100644
--- a/src/include/buffer.h
+++ b/src/include/buffer.h
@@ -1125,6 +1125,7 @@ public:
     }
 
     void encode_base64(list& o);
+    void decode_base64(list& o);
 
     void hexdump(std::ostream &out) const;
     int read_file(const char *fn, bool silent=false);
-- 
2.39.5