Briana Oursler <briana.ours...@gmail.com> writes:

> I git bisected and found d0e450438571("tc: q_red: Add support for
> qevents "mark" and "early_drop"), the commit that introduced the
> formatting change causing the break.
>
> -       print_string(PRINT_FP, NULL, "max %s ", sprint_size(qopt->qth_max, 
> b3));
> +       print_string(PRINT_FP, NULL, "max %s", sprint_size(qopt->qth_max, 
> b3));
>
> I made a patch that adds a space after the format specifier in the
> iproute2 tc/q_red.c and tested it using: tdc.py -c qdisc. After the
> change, all the broken tdc qdisc red tests return ok. I'm including the
> patch under the scissors line.
>
> I wanted to ask the ML if adding the space after the specifier is preferred 
> usage.
> The commit also had:
>  -               print_uint(PRINT_ANY, "ewma", "ewma %u ", qopt->Wlog);
>  +               print_uint(PRINT_ANY, "ewma", " ewma %u ", qopt->Wlog);
>
> so I wanted to check with everyone.

Yeah, I outsmarted myself with those space changes. Those two chunks
need reversing, and qevents need to have the space changed. This should
work:

modified          tc/q_red.c
@@ -222,12 +222,12 @@ static int red_print_opt(struct qdisc_util *qu, FILE *f, 
struct rtattr *opt)
        print_uint(PRINT_JSON, "min", NULL, qopt->qth_min);
        print_string(PRINT_FP, NULL, "min %s ", sprint_size(qopt->qth_min, b2));
        print_uint(PRINT_JSON, "max", NULL, qopt->qth_max);
-       print_string(PRINT_FP, NULL, "max %s", sprint_size(qopt->qth_max, b3));
+       print_string(PRINT_FP, NULL, "max %s ", sprint_size(qopt->qth_max, b3));

        tc_red_print_flags(qopt->flags);

        if (show_details) {
-               print_uint(PRINT_ANY, "ewma", " ewma %u ", qopt->Wlog);
+               print_uint(PRINT_ANY, "ewma", "ewma %u ", qopt->Wlog);
                if (max_P)
                        print_float(PRINT_ANY, "probability",
                                    "probability %lg ", max_P / pow(2, 32));
modified          tc/tc_qevent.c
@@ -82,8 +82,9 @@ void qevents_print(struct qevent_util *qevents, FILE *f)
                        }

                        open_json_object(NULL);
-                       print_string(PRINT_ANY, "kind", " qevent %s", 
qevents->id);
+                       print_string(PRINT_ANY, "kind", "qevent %s", 
qevents->id);
                        qevents->print_qevent(qevents, f);
+                       print_string(PRINT_FP, NULL, "%s", " ");
                        close_json_object();
                }
        }

Are you going to take care of this, or should I?

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