From b873ba9d81e3cdc977bca0b1a40bafa0c337f255 Mon Sep 17 00:00:00 2001
From: Alex Zolotarev <deathbaba@gmail.com>
Date: Wed, 24 Aug 2011 18:07:48 +0300
Subject: [PATCH] Added MmapReader::Data() for direct memory access

---
 coding/mmap_reader.cpp | 5 +++++
 coding/mmap_reader.hpp | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/coding/mmap_reader.cpp b/coding/mmap_reader.cpp
index a51de38292..33c1918ce2 100644
--- a/coding/mmap_reader.cpp
+++ b/coding/mmap_reader.cpp
@@ -80,3 +80,8 @@ MmapReader * MmapReader::CreateSubReader(uint64_t pos, uint64_t size) const
   ASSERT_LESS_OR_EQUAL(pos + size, Size(), (pos, size));
   return new MmapReader(*this, m_offset + pos, size);
 }
+
+uint8_t * MmapReader::Data() const
+{
+  return m_data->m_memory;
+}
diff --git a/coding/mmap_reader.hpp b/coding/mmap_reader.hpp
index 480cd0eefa..55ff0b0ba4 100644
--- a/coding/mmap_reader.hpp
+++ b/coding/mmap_reader.hpp
@@ -22,4 +22,7 @@ public:
   virtual uint64_t Size() const;
   virtual void Read(uint64_t pos, void * p, size_t size) const;
   virtual MmapReader * CreateSubReader(uint64_t pos, uint64_t size) const;
+
+  /// Direct file/memory access
+  uint8_t * Data() const;
 };