From ed10f40b1520cef2fa633c94289ff9f3241bb3f6 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Tue, 15 Dec 2009 09:33:29 -0500
Subject: [PATCH] Unified handling of empty queries with normal queries.

---
 redis.c | 6 ------
 sds.c   | 4 ++++
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/redis.c b/redis.c
index 61bb81cf..f0b69edd 100644
--- a/redis.c
+++ b/redis.c
@@ -1877,12 +1877,6 @@ again:
             sdsupdatelen(query);
 
             /* Now we can split the query in arguments */
-            if (sdslen(query) == 0) {
-                /* Ignore empty query */
-                sdsfree(query);
-                if (sdslen(c->querybuf)) goto again;
-                return;
-            }
             argv = sdssplitlen(query,sdslen(query)," ",1,&argc);
             sdsfree(query);
 
diff --git a/sds.c b/sds.c
index 8e9fd96d..6d18d1fd 100644
--- a/sds.c
+++ b/sds.c
@@ -277,6 +277,10 @@ sds *sdssplitlen(char *s, int len, char *sep, int seplen, int *count) {
     if (tokens == NULL) sdsOomAbort();
 #endif
     if (seplen < 1 || len < 0 || tokens == NULL) return NULL;
+    if (len == 0) {
+        *count = 0;
+        return tokens;
+    }
     for (j = 0; j < (len-(seplen-1)); j++) {
         /* make sure there is room for the next element and the final one */
         if (slots < elements+2) {
-- 
2.45.2