23: new node metadata format
24: 16-bit node ids and node timers (never released as stable)
25: Improved node timer format
+ 26: Never written; read the same as 25
*/
// This represents an uninitialized or invalid format
#define SER_FMT_VER_INVALID 255
// Highest supported serialization version
-#define SER_FMT_VER_HIGHEST 25
+#define SER_FMT_VER_HIGHEST_READ 26
+// Saved on disk version
+#define SER_FMT_VER_HIGHEST_WRITE 25
// Lowest supported serialization version
#define SER_FMT_VER_LOWEST 0
-#define ser_ver_supported(v) (v >= SER_FMT_VER_LOWEST && v <= SER_FMT_VER_HIGHEST)
+inline bool ser_ver_supported(s32 v) {
+ return v >= SER_FMT_VER_LOWEST && v <= SER_FMT_VER_HIGHEST_READ;
+}
/*
Misc. serialization functions
*/
-void compressZlib(SharedBuffer<u8> data, std::ostream &os);
-void compressZlib(const std::string &data, std::ostream &os);
+void compressZlib(SharedBuffer<u8> data, std::ostream &os, int level = -1);
+void compressZlib(const std::string &data, std::ostream &os, int level = -1);
void decompressZlib(std::istream &is, std::ostream &os);
// These choose between zlib and a self-made one according to version