From 6a187a8702b0eba9448fa0735df316d4cc324de2 Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <moritz@bunkus.org>
Date: Mon, 15 Apr 2013 22:06:09 +0200
Subject: [PATCH] mm_mem_io_c: get_buffer() for r/w instances

---
 src/common/mm_io.cpp | 8 ++++++++
 src/common/mm_io.h   | 1 +
 2 files changed, 9 insertions(+)

diff --git a/src/common/mm_io.cpp b/src/common/mm_io.cpp
index 97b2090dc..8ec2185e2 100644
--- a/src/common/mm_io.cpp
+++ b/src/common/mm_io.cpp
@@ -819,6 +819,14 @@ mm_mem_io_c::eof() {
   return m_pos >= m_mem_size;
 }
 
+unsigned char *
+mm_mem_io_c::get_buffer()
+  const {
+  if (m_read_only)
+    throw mtx::invalid_parameter_x();
+  return m_mem;
+}
+
 unsigned char *
 mm_mem_io_c::get_and_lock_buffer() {
   m_free_mem = false;
diff --git a/src/common/mm_io.h b/src/common/mm_io.h
index 81b6e5516..22b94b099 100644
--- a/src/common/mm_io.h
+++ b/src/common/mm_io.h
@@ -236,6 +236,7 @@ public:
     m_file_name = file_name;
   }
 
+  virtual unsigned char *get_buffer() const;
   virtual unsigned char *get_and_lock_buffer();
   virtual std::string get_content() const;