From 954b1721e6ac82b2ce4c0a1a48083e8ab6c00d49 Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Thu, 5 May 2005 00:17:19 +0000
Subject: [PATCH] add missing copy ctor (fixes potential crash; reproduced in a
 test case but may not actually manifest anywhere)

---
 stepmania/src/RageFileBasic.cpp | 22 ++++++++++++++++++++++
 stepmania/src/RageFileBasic.h   |  1 +
 2 files changed, 23 insertions(+)

diff --git a/stepmania/src/RageFileBasic.cpp b/stepmania/src/RageFileBasic.cpp
index f0a7657247..600ae547e4 100644
--- a/stepmania/src/RageFileBasic.cpp
+++ b/stepmania/src/RageFileBasic.cpp
@@ -15,6 +15,28 @@ RageFileObj::RageFileObj()
 	m_iCRC32 = 0;
 }
 
+RageFileObj::RageFileObj( const RageFileObj &cpy ):
+	RageFileBasic(cpy)
+{
+	/* If the original file has a buffer, copy it. */
+	if( cpy.m_pBuffer != NULL )
+	{
+		m_pBuffer = new char[BSIZE];
+		memcpy( m_pBuffer, cpy.m_pBuffer, BSIZE );
+
+		int iOffsetIntoBuffer = cpy.m_pBuf - cpy.m_pBuffer;
+		m_pBuf = m_pBuffer + iOffsetIntoBuffer;
+	}
+	else
+		m_pBuffer = NULL;
+
+	m_iBufAvail = cpy.m_iBufAvail;
+	m_bEOF = cpy.m_bEOF;
+	m_iFilePos = cpy.m_iFilePos;
+	m_bCRC32Enabled = cpy.m_bCRC32Enabled;
+	m_iCRC32 = cpy.m_iCRC32;
+}
+
 RageFileObj::~RageFileObj()
 {
 	delete [] m_pBuffer;
diff --git a/stepmania/src/RageFileBasic.h b/stepmania/src/RageFileBasic.h
index 005be32b45..6be5ae6090 100644
--- a/stepmania/src/RageFileBasic.h
+++ b/stepmania/src/RageFileBasic.h
@@ -59,6 +59,7 @@ class RageFileObj: public RageFileBasic
 {
 public:
 	RageFileObj();
+	RageFileObj( const RageFileObj &cpy );
 	virtual ~RageFileObj();
 
 	virtual CString GetError() const { return m_sError; }