Re: [PATCH] lib/vsprintf: add %pT[C012] format specifier
From: Joe Perches
Date: Sat Dec 28 2013 - 14:53:44 EST
On Sat, 2013-12-28 at 20:25 +0100, Geert Uytterhoeven wrote:
> On Sat, Dec 28, 2013 at 8:25 PM, Andrew Morton
> <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> >> Is any of the "\x" (backslash + character) unused and thus available?
> > I guess control characters would work.
> > #define PRINTK_COMM "\001"
> Not that one, cfr. include/linux/kern_levels.h ;-)
> > #define PRINTK_PID "\002"
> > #define PRINTK_TASK_ID "\003" /* "comm:pid" */
> > printk(PRINTK_TASK_ID ": hair on fire\n");
> > It's certainly compact. I doubt if there's any existing code which
> > deliberately prints control chars?
> But the rest looks OK to me.
Tell me again, what's wrong with using p or current?
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