Function cliSwitchProto

src/redis-cli.c:643–660

Select RESP3 mode if redis-cli was started with the -3 option. */

/* Select RESP3 mode if redis-cli was started with the -3 option.  */
static int cliSwitchProto(void) {
    redisReply *reply;
    if (config.resp3 == 0) return REDIS_OK;

    reply = redisCommand(context,"HELLO 3");
    if (reply == NULL) {
        fprintf(stderr, "\nI/O error\n");
        return REDIS_ERR;
    }

    int result = REDIS_OK;
    if (reply->type == REDIS_REPLY_ERROR) {
        result = REDIS_ERR;
        fprintf(stderr,"HELLO 3 failed: %s\n",reply->str);
    }
    freeReplyObject(reply);
    return result;
}

/* Connect to the server. It is possible to pass certain flags to the function:
 *      CC_FORCE: The connection is performed even if there is already