From 6b52ad87c05ca2162a2d21f1f5b5329bf52a7678 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Tue, 10 May 2011 11:31:37 +0200
Subject: [PATCH] RDB version signature bumped to 2, now that direct saving of
 specially encoded types is implemented 2.2 instances are no longer able to
 read rdb files produced by 2.4 or unstable.

---
 src/rdb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/rdb.c b/src/rdb.c
index 2557f5b8..eeafc053 100644
--- a/src/rdb.c
+++ b/src/rdb.c
@@ -425,7 +425,7 @@ int rdbSave(char *filename) {
             strerror(errno));
         return REDIS_ERR;
     }
-    if (fwrite("REDIS0001",9,1,fp) == 0) goto werr;
+    if (fwrite("REDIS0002",9,1,fp) == 0) goto werr;
     for (j = 0; j < server.dbnum; j++) {
         redisDb *db = server.db+j;
         dict *d = db->dict;
@@ -931,7 +931,7 @@ int rdbLoad(char *filename) {
         return REDIS_ERR;
     }
     rdbver = atoi(buf+5);
-    if (rdbver != 1) {
+    if (rdbver < 1 || rdbver > 2) {
         fclose(fp);
         redisLog(REDIS_WARNING,"Can't handle RDB format version %d",rdbver);
         return REDIS_ERR;