Fix case in RPOPLPUSH.

[redis.git] / src / t_list.c

diff --git a/src/t_list.c b/src/t_list.c
index 4d948294e7bd57020dee70789a11d441d9ccf274..10e7f72c7137a336c4ec576aa21551d976c5f5e5 100644 (file)
--- a/src/t_list.c
+++ b/src/t_list.c
@@ -260,6 +260,7 @@ void listTypeConvert(robj *subject, int enc) {
 
 void pushGenericCommand(redisClient *c, int where) {
     robj *lobj = lookupKeyWrite(c->db,c->argv[1]);
+    c->argv[2] = tryObjectEncoding(c->argv[2]);
     if (lobj == NULL) {
         if (handleClientsWaitingListPush(c,c->argv[1],c->argv[2])) {
             addReply(c,shared.cone);
@@ -346,14 +347,17 @@ void pushxGenericCommand(redisClient *c, robj *refval, robj *val, int where) {
 }
 
 void lpushxCommand(redisClient *c) {
+    c->argv[2] = tryObjectEncoding(c->argv[2]);
     pushxGenericCommand(c,NULL,c->argv[2],REDIS_HEAD);
 }
 
 void rpushxCommand(redisClient *c) {
+    c->argv[2] = tryObjectEncoding(c->argv[2]);
     pushxGenericCommand(c,NULL,c->argv[2],REDIS_TAIL);
 }
 
 void linsertCommand(redisClient *c) {
+    c->argv[4] = tryObjectEncoding(c->argv[4]);
     if (strcasecmp(c->argv[2]->ptr,"after") == 0) {
         pushxGenericCommand(c,c->argv[3],c->argv[4],REDIS_TAIL);
     } else if (strcasecmp(c->argv[2]->ptr,"before") == 0) {
@@ -409,7 +413,7 @@ void lsetCommand(redisClient *c) {
     robj *o = lookupKeyWriteOrReply(c,c->argv[1],shared.nokeyerr);
     if (o == NULL || checkType(c,o,REDIS_LIST)) return;
     int index = atoi(c->argv[2]->ptr);
-    robj *value = c->argv[3];
+    robj *value = (c->argv[3] = tryObjectEncoding(c->argv[3]));
 
     listTypeTryConversion(o,value);
     if (o->encoding == REDIS_ENCODING_ZIPLIST) {
@@ -559,7 +563,8 @@ void ltrimCommand(redisClient *c) {
 }
 
 void lremCommand(redisClient *c) {
-    robj *subject, *obj = c->argv[3];
+    robj *subject, *obj;
+    obj = c->argv[3] = tryObjectEncoding(c->argv[3]);
     int toremove = atoi(c->argv[2]->ptr);
     int removed = 0;
     listTypeEntry entry;
@@ -613,7 +618,7 @@ void lremCommand(redisClient *c) {
  * since the element is not just returned but pushed against another list
  * as well. This command was originally proposed by Ezra Zygmuntowicz.
  */
-void rpoplpushcommand(redisClient *c) {
+void rpoplpushCommand(redisClient *c) {
     robj *sobj, *value;
     if ((sobj = lookupKeyWriteOrReply(c,c->argv[1],shared.nullbulk)) == NULL ||
         checkType(c,sobj,REDIS_LIST)) return;
@@ -782,9 +787,20 @@ int handleClientsWaitingListPush(redisClient *c, robj *key, robj *ele) {
 /* Blocking RPOP/LPOP */
 void blockingPopGenericCommand(redisClient *c, int where) {
     robj *o;
+    long long lltimeout;
     time_t timeout;
     int j;
 
+    /* Make sure timeout is an integer value */
+    if (getLongLongFromObjectOrReply(c,c->argv[c->argc-1],&lltimeout,
+            "timeout is not an integer") != REDIS_OK) return;
+
+    /* Make sure the timeout is not negative */
+    if (lltimeout < 0) {
+        addReplyError(c,"timeout is negative");
+        return;
+    }
+
     for (j = 1; j < c->argc-1; j++) {
         o = lookupKeyWrite(c->db,c->argv[j]);
         if (o != NULL) {
@@ -823,8 +839,16 @@ void blockingPopGenericCommand(redisClient *c, int where) {
             }
         }
     }
+
+    /* If we are inside a MULTI/EXEC and the list is empty the only thing
+     * we can do is treating it as a timeout (even with timeout 0). */
+    if (c->flags & REDIS_MULTI) {
+        addReply(c,shared.nullmultibulk);
+        return;
+    }
+
     /* If the list is empty or the key does not exists we must block */
-    timeout = strtol(c->argv[c->argc-1]->ptr,NULL,10);
+    timeout = lltimeout;
     if (timeout > 0) timeout += time(NULL);
     blockForKeys(c,c->argv+1,c->argc-2,timeout);
 }