Le vendredi 23 juillet 2010 à 18:46 +0200, Jan Engelhardt a écrit :
> On Friday 2010-07-23 15:43, Eric Dumazet wrote:
> >+
> >+static const struct option cpu_opts[] = {
> >+ { "cpu", 1, NULL, '1' },
> >+ { .name = NULL }
> >+};
>
> I will never understand that sort of style mix logic. Why the
> C99 initializer only on the sentinel?
>
> {
> {.name = "cpu", .has_arg = true, .val = '1'},
> {NULL},
> };
>
copy/paste from another module ?
> >+cpu_print(const void *ip, const struct xt_entry_match *match, int numeric)
> >+{
> >+ const struct xt_cpu_info *info = (void *)match->data;
> >+
> >+ printf("cpu %s%u ", info->invert ? "! ":"", info->cpu);
> >+}
> >+
> >+static void cpu_save(const void *ip, const struct xt_entry_match *match)
> >+{
> >+ const struct xt_cpu_info *info = (void *)match->data;
> >+
> >+ printf("%s--cpu %u ", info->invert ? "! ":"", info->cpu);
> >+}
>
> Using if (info->invert) would save the empty string.
>
Not sure what you mean. You want to save an empty string (1 byte long),
and add multiple printf() calls ?
> >diff --git a/extensions/libxt_cpu.man b/extensions/libxt_cpu.man
> >index e69de29..f42ac7a 100644
> >--- a/extensions/libxt_cpu.man
> >+++ b/extensions/libxt_cpu.man
> >@@ -0,0 +1,16 @@
> >+.TP
> >+[\fB!\fP] \fB\-\-cpu\fP \fInumber\fP
> >+
> >+Match cpu handling this packet. cpus are numbered from 0 to NR_CPUS-1
>
> Unwanted blank line.
>
> >+Can be used in combination with RPS (Remote Packet Steering) or
> >+multiqueue NICS to spread network traffic on different queues.
> >+.PP
> >+Example:
> >+.PP
> >+iptables \-t nat \-A PREROUTING \-p tcp \-\-dport 80 \-m cpu \-\-cpu 0
> >+ \-j REDIRECT \-\-to\-port 8080
>
> Unwanted indent.
>
> >+.PP
> >+iptables \-t nat \-A PREROUTING \-p tcp \-\-dport 80 \-m cpu \-\-cpu 1
> >+ \-j REDIRECT \-\-to\-port 8081
> >+.PP
> >+Available since linux 2.6.36
>
> Linux.
OK ;)
I'll provide a cleanup patch, not only to xt_cpu but all other iptables
modules that dont meet your coding style requirements ;)
Thanks
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