Re: [PATCH RFC V2] coccinelle: flag constants being passed for jiffies

From: Julia Lawall
Date: Sun Jun 14 2015 - 03:02:39 EST


> +@script:python depends on report@
> +p << cc.p;
> +timeout << cc.C;
> +@@
> +
> +if str.isdigit(timeout):
> + if (int(timeout) != 1):
> + msg = "WARNING: timeout (%s) seems HZ dependent" % (timeout)
> + coccilib.report.print_report(p[0], msg)

The parentheses in the warning messages around the timeouts seem a little
strange to me.

Otherwise, as a semantic patch, it looks fine. I can't judge the problem
being solved though.

julia

> +@script:python depends on strict@
> +p << cc.p;
> +timeout << cc.C;
> +@@
> +
> +# "strict" mode prints the cases that use C-constants != HZ
> +# as well as the numeric constants != 1. This will deliver a false
> +# positives if the C-constant is already in jiffies !
> +if str.isdigit(timeout):
> + if (int(timeout) != 1):
> + msg = "WARNING: timeout (%s) is HZ dependent" % (timeout)
> + coccilib.report.print_report(p[0], msg)
> +elif (timeout != "HZ"):
> + msg = "INFO: timeout (%s) may be HZ dependent" % (timeout)
> + coccilib.report.print_report(p[0], msg)
> --
> 1.7.10.4
>
>
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