Removed unused command flags

diff --git a/src/redis-cli.c b/src/redis-cli.c
index 5071604b871112b23b0acdb3a7abd40881dc89b1..aa7306b449f70b3d6fa5bdc9cfe921c7d885a0bb 100644 (file)
--- a/src/redis-cli.c
+++ b/src/redis-cli.c
@@ -45,10 +45,6 @@
 #include "zmalloc.h"
 #include "linenoise.h"
 
-#define REDIS_CMD_INLINE 1
-#define REDIS_CMD_BULK 2
-#define REDIS_CMD_MULTIBULK 4
-
 #define REDIS_NOTUSED(V) ((void) V)
 
 static struct config {

diff --git a/src/redis.c b/src/redis.c
index f770edc70a6fdc9763ff18010bdbd98272eaf560..a3f04f1126e3b0ca83802c921579f30b415e0a18 100644 (file)
--- a/src/redis.c
+++ b/src/redis.c
@@ -69,119 +69,119 @@ double R_Zero, R_PosInf, R_NegInf, R_Nan;
 struct redisServer server; /* server global state */
 struct redisCommand *commandTable;
 struct redisCommand readonlyCommandTable[] = {
-    {"get",getCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"set",setCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,0,0,0},
-    {"setnx",setnxCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,0,0,0},
-    {"setex",setexCommand,4,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,0,0,0},
-    {"append",appendCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"substr",substrCommand,4,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"strlen",strlenCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"del",delCommand,-2,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"exists",existsCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"incr",incrCommand,2,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"decr",decrCommand,2,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"mget",mgetCommand,-2,REDIS_CMD_INLINE,NULL,1,-1,1},
-    {"rpush",rpushCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"lpush",lpushCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"rpushx",rpushxCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"lpushx",lpushxCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"linsert",linsertCommand,5,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"rpop",rpopCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"lpop",lpopCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"brpop",brpopCommand,-3,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"blpop",blpopCommand,-3,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"llen",llenCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"lindex",lindexCommand,3,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"lset",lsetCommand,4,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"lrange",lrangeCommand,4,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"ltrim",ltrimCommand,4,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"lrem",lremCommand,4,REDIS_CMD_BULK,NULL,1,1,1},
-    {"rpoplpush",rpoplpushcommand,3,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,1,2,1},
-    {"sadd",saddCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"srem",sremCommand,3,REDIS_CMD_BULK,NULL,1,1,1},
-    {"smove",smoveCommand,4,REDIS_CMD_BULK,NULL,1,2,1},
-    {"sismember",sismemberCommand,3,REDIS_CMD_BULK,NULL,1,1,1},
-    {"scard",scardCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"spop",spopCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"srandmember",srandmemberCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"sinter",sinterCommand,-2,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,1,-1,1},
-    {"sinterstore",sinterstoreCommand,-3,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,2,-1,1},
-    {"sunion",sunionCommand,-2,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,1,-1,1},
-    {"sunionstore",sunionstoreCommand,-3,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,2,-1,1},
-    {"sdiff",sdiffCommand,-2,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,1,-1,1},
-    {"sdiffstore",sdiffstoreCommand,-3,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,2,-1,1},
-    {"smembers",sinterCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"zadd",zaddCommand,4,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"zincrby",zincrbyCommand,4,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"zrem",zremCommand,3,REDIS_CMD_BULK,NULL,1,1,1},
-    {"zremrangebyscore",zremrangebyscoreCommand,4,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"zremrangebyrank",zremrangebyrankCommand,4,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"zunionstore",zunionstoreCommand,-4,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,zunionInterBlockClientOnSwappedKeys,0,0,0},
-    {"zinterstore",zinterstoreCommand,-4,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,zunionInterBlockClientOnSwappedKeys,0,0,0},
-    {"zrange",zrangeCommand,-4,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"zrangebyscore",zrangebyscoreCommand,-4,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"zcount",zcountCommand,4,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"zrevrange",zrevrangeCommand,-4,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"zcard",zcardCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"zscore",zscoreCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"zrank",zrankCommand,3,REDIS_CMD_BULK,NULL,1,1,1},
-    {"zrevrank",zrevrankCommand,3,REDIS_CMD_BULK,NULL,1,1,1},
-    {"hset",hsetCommand,4,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"hsetnx",hsetnxCommand,4,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"hget",hgetCommand,3,REDIS_CMD_BULK,NULL,1,1,1},
-    {"hmset",hmsetCommand,-4,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"hmget",hmgetCommand,-3,REDIS_CMD_BULK,NULL,1,1,1},
-    {"hincrby",hincrbyCommand,4,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"hdel",hdelCommand,3,REDIS_CMD_BULK,NULL,1,1,1},
-    {"hlen",hlenCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"hkeys",hkeysCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"hvals",hvalsCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"hgetall",hgetallCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"hexists",hexistsCommand,3,REDIS_CMD_BULK,NULL,1,1,1},
-    {"incrby",incrbyCommand,3,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"decrby",decrbyCommand,3,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"getset",getsetCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"mset",msetCommand,-3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,-1,2},
-    {"msetnx",msetnxCommand,-3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,-1,2},
-    {"randomkey",randomkeyCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"select",selectCommand,2,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"move",moveCommand,3,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"rename",renameCommand,3,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"renamenx",renamenxCommand,3,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"expire",expireCommand,3,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"expireat",expireatCommand,3,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"keys",keysCommand,2,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"dbsize",dbsizeCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"auth",authCommand,2,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"ping",pingCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"echo",echoCommand,2,REDIS_CMD_BULK,NULL,0,0,0},
-    {"save",saveCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"bgsave",bgsaveCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"bgrewriteaof",bgrewriteaofCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"shutdown",shutdownCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"lastsave",lastsaveCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"type",typeCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"multi",multiCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"exec",execCommand,1,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,execBlockClientOnSwappedKeys,0,0,0},
-    {"discard",discardCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"sync",syncCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"flushdb",flushdbCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"flushall",flushallCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"sort",sortCommand,-2,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM,NULL,1,1,1},
-    {"info",infoCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"monitor",monitorCommand,1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"ttl",ttlCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"persist",persistCommand,2,REDIS_CMD_INLINE,NULL,1,1,1},
-    {"slaveof",slaveofCommand,3,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"debug",debugCommand,-2,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"config",configCommand,-2,REDIS_CMD_BULK,NULL,0,0,0},
-    {"subscribe",subscribeCommand,-2,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"unsubscribe",unsubscribeCommand,-1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"psubscribe",psubscribeCommand,-2,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"punsubscribe",punsubscribeCommand,-1,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"publish",publishCommand,3,REDIS_CMD_BULK|REDIS_CMD_FORCE_REPLICATION,NULL,0,0,0},
-    {"watch",watchCommand,-2,REDIS_CMD_INLINE,NULL,0,0,0},
-    {"unwatch",unwatchCommand,1,REDIS_CMD_INLINE,NULL,0,0,0}
+    {"get",getCommand,2,0,NULL,1,1,1},
+    {"set",setCommand,3,REDIS_CMD_DENYOOM,NULL,0,0,0},
+    {"setnx",setnxCommand,3,REDIS_CMD_DENYOOM,NULL,0,0,0},
+    {"setex",setexCommand,4,REDIS_CMD_DENYOOM,NULL,0,0,0},
+    {"append",appendCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"substr",substrCommand,4,0,NULL,1,1,1},
+    {"strlen",strlenCommand,2,0,NULL,1,1,1},
+    {"del",delCommand,-2,0,NULL,0,0,0},
+    {"exists",existsCommand,2,0,NULL,1,1,1},
+    {"incr",incrCommand,2,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"decr",decrCommand,2,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"mget",mgetCommand,-2,0,NULL,1,-1,1},
+    {"rpush",rpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"lpush",lpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"rpushx",rpushxCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"lpushx",lpushxCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"linsert",linsertCommand,5,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"rpop",rpopCommand,2,0,NULL,1,1,1},
+    {"lpop",lpopCommand,2,0,NULL,1,1,1},
+    {"brpop",brpopCommand,-3,0,NULL,1,1,1},
+    {"blpop",blpopCommand,-3,0,NULL,1,1,1},
+    {"llen",llenCommand,2,0,NULL,1,1,1},
+    {"lindex",lindexCommand,3,0,NULL,1,1,1},
+    {"lset",lsetCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"lrange",lrangeCommand,4,0,NULL,1,1,1},
+    {"ltrim",ltrimCommand,4,0,NULL,1,1,1},
+    {"lrem",lremCommand,4,0,NULL,1,1,1},
+    {"rpoplpush",rpoplpushcommand,3,REDIS_CMD_DENYOOM,NULL,1,2,1},
+    {"sadd",saddCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"srem",sremCommand,3,0,NULL,1,1,1},
+    {"smove",smoveCommand,4,0,NULL,1,2,1},
+    {"sismember",sismemberCommand,3,0,NULL,1,1,1},
+    {"scard",scardCommand,2,0,NULL,1,1,1},
+    {"spop",spopCommand,2,0,NULL,1,1,1},
+    {"srandmember",srandmemberCommand,2,0,NULL,1,1,1},
+    {"sinter",sinterCommand,-2,REDIS_CMD_DENYOOM,NULL,1,-1,1},
+    {"sinterstore",sinterstoreCommand,-3,REDIS_CMD_DENYOOM,NULL,2,-1,1},
+    {"sunion",sunionCommand,-2,REDIS_CMD_DENYOOM,NULL,1,-1,1},
+    {"sunionstore",sunionstoreCommand,-3,REDIS_CMD_DENYOOM,NULL,2,-1,1},
+    {"sdiff",sdiffCommand,-2,REDIS_CMD_DENYOOM,NULL,1,-1,1},
+    {"sdiffstore",sdiffstoreCommand,-3,REDIS_CMD_DENYOOM,NULL,2,-1,1},
+    {"smembers",sinterCommand,2,0,NULL,1,1,1},
+    {"zadd",zaddCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"zincrby",zincrbyCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"zrem",zremCommand,3,0,NULL,1,1,1},
+    {"zremrangebyscore",zremrangebyscoreCommand,4,0,NULL,1,1,1},
+    {"zremrangebyrank",zremrangebyrankCommand,4,0,NULL,1,1,1},
+    {"zunionstore",zunionstoreCommand,-4,REDIS_CMD_DENYOOM,zunionInterBlockClientOnSwappedKeys,0,0,0},
+    {"zinterstore",zinterstoreCommand,-4,REDIS_CMD_DENYOOM,zunionInterBlockClientOnSwappedKeys,0,0,0},
+    {"zrange",zrangeCommand,-4,0,NULL,1,1,1},
+    {"zrangebyscore",zrangebyscoreCommand,-4,0,NULL,1,1,1},
+    {"zcount",zcountCommand,4,0,NULL,1,1,1},
+    {"zrevrange",zrevrangeCommand,-4,0,NULL,1,1,1},
+    {"zcard",zcardCommand,2,0,NULL,1,1,1},
+    {"zscore",zscoreCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"zrank",zrankCommand,3,0,NULL,1,1,1},
+    {"zrevrank",zrevrankCommand,3,0,NULL,1,1,1},
+    {"hset",hsetCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"hsetnx",hsetnxCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"hget",hgetCommand,3,0,NULL,1,1,1},
+    {"hmset",hmsetCommand,-4,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"hmget",hmgetCommand,-3,0,NULL,1,1,1},
+    {"hincrby",hincrbyCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"hdel",hdelCommand,3,0,NULL,1,1,1},
+    {"hlen",hlenCommand,2,0,NULL,1,1,1},
+    {"hkeys",hkeysCommand,2,0,NULL,1,1,1},
+    {"hvals",hvalsCommand,2,0,NULL,1,1,1},
+    {"hgetall",hgetallCommand,2,0,NULL,1,1,1},
+    {"hexists",hexistsCommand,3,0,NULL,1,1,1},
+    {"incrby",incrbyCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"decrby",decrbyCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"getset",getsetCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"mset",msetCommand,-3,REDIS_CMD_DENYOOM,NULL,1,-1,2},
+    {"msetnx",msetnxCommand,-3,REDIS_CMD_DENYOOM,NULL,1,-1,2},
+    {"randomkey",randomkeyCommand,1,0,NULL,0,0,0},
+    {"select",selectCommand,2,0,NULL,0,0,0},
+    {"move",moveCommand,3,0,NULL,1,1,1},
+    {"rename",renameCommand,3,0,NULL,1,1,1},
+    {"renamenx",renamenxCommand,3,0,NULL,1,1,1},
+    {"expire",expireCommand,3,0,NULL,0,0,0},
+    {"expireat",expireatCommand,3,0,NULL,0,0,0},
+    {"keys",keysCommand,2,0,NULL,0,0,0},
+    {"dbsize",dbsizeCommand,1,0,NULL,0,0,0},
+    {"auth",authCommand,2,0,NULL,0,0,0},
+    {"ping",pingCommand,1,0,NULL,0,0,0},
+    {"echo",echoCommand,2,0,NULL,0,0,0},
+    {"save",saveCommand,1,0,NULL,0,0,0},
+    {"bgsave",bgsaveCommand,1,0,NULL,0,0,0},
+    {"bgrewriteaof",bgrewriteaofCommand,1,0,NULL,0,0,0},
+    {"shutdown",shutdownCommand,1,0,NULL,0,0,0},
+    {"lastsave",lastsaveCommand,1,0,NULL,0,0,0},
+    {"type",typeCommand,2,0,NULL,1,1,1},
+    {"multi",multiCommand,1,0,NULL,0,0,0},
+    {"exec",execCommand,1,REDIS_CMD_DENYOOM,execBlockClientOnSwappedKeys,0,0,0},
+    {"discard",discardCommand,1,0,NULL,0,0,0},
+    {"sync",syncCommand,1,0,NULL,0,0,0},
+    {"flushdb",flushdbCommand,1,0,NULL,0,0,0},
+    {"flushall",flushallCommand,1,0,NULL,0,0,0},
+    {"sort",sortCommand,-2,REDIS_CMD_DENYOOM,NULL,1,1,1},
+    {"info",infoCommand,1,0,NULL,0,0,0},
+    {"monitor",monitorCommand,1,0,NULL,0,0,0},
+    {"ttl",ttlCommand,2,0,NULL,1,1,1},
+    {"persist",persistCommand,2,0,NULL,1,1,1},
+    {"slaveof",slaveofCommand,3,0,NULL,0,0,0},
+    {"debug",debugCommand,-2,0,NULL,0,0,0},
+    {"config",configCommand,-2,0,NULL,0,0,0},
+    {"subscribe",subscribeCommand,-2,0,NULL,0,0,0},
+    {"unsubscribe",unsubscribeCommand,-1,0,NULL,0,0,0},
+    {"psubscribe",psubscribeCommand,-2,0,NULL,0,0,0},
+    {"punsubscribe",punsubscribeCommand,-1,0,NULL,0,0,0},
+    {"publish",publishCommand,3,REDIS_CMD_FORCE_REPLICATION,NULL,0,0,0},
+    {"watch",watchCommand,-2,0,NULL,0,0,0},
+    {"unwatch",unwatchCommand,1,0,NULL,0,0,0}
 };
 
 /*============================ Utility functions ============================ */

diff --git a/src/redis.h b/src/redis.h
index f79b428a97354fbd718452223eccffcd4975d89a..1e841b73f0ebed53f936b61c288833f19d36eae4 100644 (file)
--- a/src/redis.h
+++ b/src/redis.h
@@ -57,15 +57,15 @@
 /* Hash table parameters */
 #define REDIS_HT_MINFILL        10      /* Minimal hash table fill 10% */
 
-/* Command flags */
-#define REDIS_CMD_BULK          1       /* Bulk write command */
-#define REDIS_CMD_INLINE        2       /* Inline command */
-/* REDIS_CMD_DENYOOM reserves a longer comment: all the commands marked with
-   this flags will return an error when the 'maxmemory' option is set in the
-   config file and the server is using more than maxmemory bytes of memory.
-   In short this commands are denied on low memory conditions. */
-#define REDIS_CMD_DENYOOM       4
-#define REDIS_CMD_FORCE_REPLICATION 8 /* Force replication even if dirty is 0 */
+/* Command flags:
+ *   REDIS_CMD_DENYOOM:
+ *     Commands marked with this flag will return an error when 'maxmemory' is
+ *     set and the server is using more than 'maxmemory' bytes of memory.
+ *     In short: commands with this flag are denied on low memory conditions.
+ *   REDIS_CMD_FORCE_REPLICATION:
+ *     Force replication even if dirty is 0. */
+#define REDIS_CMD_DENYOOM 4
+#define REDIS_CMD_FORCE_REPLICATION 8
 
 /* Object types */
 #define REDIS_STRING 0