Initial setup for saving game states

(code may or may not compile at this point)

osx/tools/tarball.hpp

@@ -0,0 +1,51 @@
+//
+//  tarball.hpp
+//  BoE
+//
+//  Created by Celtic Minstrel on 14-04-19.
+//
+//
+
+#ifndef BoE_tarball_hpp
+#define BoE_tarball_hpp
+
+#include <sstream>
+#include <deque>
+
+class tarball {
+	struct header_posix_ustar {
+		char name[100];
+		char mode[8];
+		char uid[8];
+		char gid[8];
+		char size[12];
+		char mtime[12];
+		char checksum[8];
+		char typeflag[1];
+		char linkname[100];
+		char magic[6];
+		char version[2];
+		char uname[32];
+		char gname[32];
+		char devmajor[8];
+		char devminor[8];
+		char prefix[155];
+		char pad[12];
+	};
+	struct tarfile {
+		header_posix_ustar header;
+		std::string filename;
+		std::stringstream contents;
+	};
+	std::deque<tarfile> files;
+	static header_posix_ustar generateTarHeader(const std::string& fileName, unsigned long long fileSize, bool directory=false);
+public:
+	void writeTo(std::ostream& out);
+	void readFrom(std::istream& in);
+	std::ostream& newFile(std::string fname);
+	void newDirectory(std::string dname);
+	std::istream& getFile(std::string fname);
+};
+
+
+#endif