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-rw-r--r--src/serialization.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/src/serialization.h b/src/serialization.h
index f399983c4..e83a8c179 100644
--- a/src/serialization.h
+++ b/src/serialization.h
@@ -63,13 +63,14 @@ with this program; if not, write to the Free Software Foundation, Inc.,
26: Never written; read the same as 25
27: Added light spreading flags to blocks
28: Added "private" flag to NodeMetadata
+ 29: Switched compression to zstd, a bit of reorganization
*/
// This represents an uninitialized or invalid format
#define SER_FMT_VER_INVALID 255
// Highest supported serialization version
-#define SER_FMT_VER_HIGHEST_READ 28
+#define SER_FMT_VER_HIGHEST_READ 29
// Saved on disk version
-#define SER_FMT_VER_HIGHEST_WRITE 28
+#define SER_FMT_VER_HIGHEST_WRITE 29
// Lowest supported serialization version
#define SER_FMT_VER_LOWEST_READ 0
// Lowest serialization version for writing
@@ -89,7 +90,12 @@ void compressZlib(const u8 *data, size_t data_size, std::ostream &os, int level
void compressZlib(const std::string &data, std::ostream &os, int level = -1);
void decompressZlib(std::istream &is, std::ostream &os, size_t limit = 0);
+void compressZstd(const u8 *data, size_t data_size, std::ostream &os, int level = 0);
+void compressZstd(const std::string &data, std::ostream &os, int level = 0);
+void decompressZstd(std::istream &is, std::ostream &os);
+
// These choose between zlib and a self-made one according to version
-void compress(const SharedBuffer<u8> &data, std::ostream &os, u8 version);
-//void compress(const std::string &data, std::ostream &os, u8 version);
+void compress(const SharedBuffer<u8> &data, std::ostream &os, u8 version, int level = -1);
+void compress(const std::string &data, std::ostream &os, u8 version, int level = -1);
+void compress(u8 *data, u32 size, std::ostream &os, u8 version, int level = -1);
void decompress(std::istream &is, std::ostream &os, u8 version);