1 files changed, 111 insertions, 0 deletions
diff --git a/source/Core/DataBufferHeap.cpp b/source/Core/DataBufferHeap.cpp
new file mode 100644
index 000000000000..2c8a865b966c
--- /dev/null
+++ b/source/Core/DataBufferHeap.cpp
@@ -0,0 +1,111 @@
+//===-- DataBufferHeap.cpp --------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Core/DataBufferHeap.h"
+
+using namespace lldb_private;
+
+//----------------------------------------------------------------------
+// Default constructor
+//----------------------------------------------------------------------
+DataBufferHeap::DataBufferHeap () :
+    m_data()
+{
+}
+
+//----------------------------------------------------------------------
+// Initialize this class with "n" characters and fill the buffer
+// with "ch".
+//----------------------------------------------------------------------
+DataBufferHeap::DataBufferHeap (lldb::offset_t n, uint8_t ch) :
+    m_data()
+{
+    if (n < m_data.max_size())
+        m_data.assign (n, ch);
+}
+
+//----------------------------------------------------------------------
+// Initialize this class with a copy of the "n" bytes from the "bytes"
+// buffer.
+//----------------------------------------------------------------------
+DataBufferHeap::DataBufferHeap (const void *src, lldb::offset_t src_len) :
+    m_data()
+{
+    CopyData (src, src_len);
+}
+
+//----------------------------------------------------------------------
+// Virtual destructor since this class inherits from a pure virtual
+// base class.
+//----------------------------------------------------------------------
+DataBufferHeap::~DataBufferHeap ()
+{
+}
+
+//----------------------------------------------------------------------
+// Return a pointer to the bytes owned by this object, or NULL if
+// the object contains no bytes.
+//----------------------------------------------------------------------
+uint8_t *
+DataBufferHeap::GetBytes ()
+{
+    if (m_data.empty())
+        return NULL;
+    return &m_data[0];
+}
+
+//----------------------------------------------------------------------
+// Return a const pointer to the bytes owned by this object, or NULL
+// if the object contains no bytes.
+//----------------------------------------------------------------------
+const uint8_t *
+DataBufferHeap::GetBytes () const
+{
+    if (m_data.empty())
+        return NULL;
+    return &m_data[0];
+}
+
+//----------------------------------------------------------------------
+// Return the number of bytes this object currently contains.
+//----------------------------------------------------------------------
+uint64_t
+DataBufferHeap::GetByteSize () const
+{
+    return m_data.size();
+}
+
+
+//----------------------------------------------------------------------
+// Sets the number of bytes that this object should be able to
+// contain. This can be used prior to copying data into the buffer.
+//----------------------------------------------------------------------
+uint64_t
+DataBufferHeap::SetByteSize (uint64_t new_size)
+{
+    m_data.resize(new_size);
+    return m_data.size();
+}
+
+void
+DataBufferHeap::CopyData (const void *src, uint64_t src_len)
+{
+    const uint8_t *src_u8 = (const uint8_t *)src;
+    if (src && src_len > 0)
+        m_data.assign (src_u8, src_u8 + src_len);
+    else
+        m_data.clear();
+}
+
+void
+DataBufferHeap::Clear()
+{
+    buffer_t empty;
+    m_data.swap(empty);
+}