From cbd2fd34a0d267348da3d7b6c924cde0dbec2c9c Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Sat, 2 Dec 2017 11:51:37 +0100
Subject: [PATCH] - added seeking capabilities to FileWriter class.

---
 src/files.cpp | 24 ++++++++++++++++++++++++
 src/files.h   |  2 ++
 2 files changed, 26 insertions(+)

diff --git a/src/files.cpp b/src/files.cpp
index 0de13e8ea..5bcc3d7bb 100644
--- a/src/files.cpp
+++ b/src/files.cpp
@@ -634,6 +634,30 @@ size_t FileWriter::Write(const void *buffer, size_t len)
 	}
 }
 
+long FileWriter::Tell()
+{
+	if (File != NULL)
+	{
+		return ftell(File);
+	}
+	else
+	{
+		return 0;
+	}
+}
+
+long FileWriter::Seek(long offset, int mode)
+{
+	if (File != NULL)
+	{
+		return fseek(File, offset, mode);
+	}
+	else
+	{
+		return 0;
+	}
+}
+
 
 size_t FileWriter::Printf(const char *fmt, ...)
 {
diff --git a/src/files.h b/src/files.h
index 4c73273a1..94255b1a0 100644
--- a/src/files.h
+++ b/src/files.h
@@ -409,6 +409,8 @@ public:
 	static FileWriter *Open(const char *filename);
 
 	virtual size_t Write(const void *buffer, size_t len);
+	virtual long Tell();
+	virtual long Seek(long offset, int mode);
 	size_t Printf(const char *fmt, ...) GCCPRINTF(2,3);
 
 protected: