cvs commit: src/sys/compat/linprocfs linprocfs.c

Warner Losh imp at bsdimp.com
Sat Jan 20 22:53:13 UTC 2007


From: Scott Long <scottl at samsco.org>
Subject: Re: cvs commit: src/sys/compat/linprocfs linprocfs.c
Date: Sat, 20 Jan 2007 14:31:29 -0700

> Alexander Leidinger wrote:
> > Quoting Sam Leffler <sam at errno.com> (Sat, 20 Jan 2007 12:05:04 -0800):
> > 
> >> Scott Long wrote:
> >>> Alexander Leidinger wrote:
> >>>> netchild    2007-01-20 19:32:23 UTC
> >>>>
> >>>>   FreeBSD src repository
> >>>>
> >>>>   Modified files:
> >>>>     sys/compat/linprocfs linprocfs.c   Log:
> >>>>   Fix tinderbox build on amd64.
> >>>>     Revision  Changes    Path
> >>>>   1.104     +2 -2      src/sys/compat/linprocfs/linprocfs.c
> >>> Try the following instead:
> > 
> > I try tomorrow. Thanks!
> > 
> >>> --- linprocfs.c 20 Jan 2007 19:32:23 -0000      1.104
> >>> +++ linprocfs.c 20 Jan 2007 19:46:29 -0000
> >>> @@ -474,8 +474,8 @@
> >>>                 state = 'R';
> >>>
> >>>                 if (ratelimit == 0) {
> >>> -                       printf("linprocfs: don't know how to handle
> >>> unknown FreeBSD state %d/%jd, mapping to R\n",
> >>> -                           kp.ki_stat, (intmax_t)sizeof(linux_state));
> >>> +                       printf("linprocfs: don't know how to handle
> >>> unknown FreeBSD state %d/%zd, mapping to R\n",
> >>> +                           kp.ki_stat, sizeof(linux_state));
> >>>                         ++ratelimit;
> >>>                 }
> >>>         } else
> >>>
> >>>
> >> Are the kernel prinf extensions documented anywhere (don't see 'em in
> >> printf(9))?  I always forget and have to resort to the code...
> > 
> > In the reply to the tinderbox mail I asked if there are some docs which
> > provide info which printf-identifier to use in which (common)
> > situation. I think this would be very useful (and can be provided in
> > the wiki if it doesn't fit into a man page).
> > 
> > Bye,
> > Alexander.
> > 
> 
> I use printf.3 for reference.  The kernel printf is only a subset, but
> it implements enough for the userland docs to be useful.  For backup, I
> recommend using bde@

printf.9 should list the exceptions, but other than floating point,
there's not much.  The following table should be enlightening:

     o   An optional length modifier, that specifies the size of the argument.
         The following length modifiers are valid for the d, i, n, o, u, x, or
         X conversion:

         Modifier          d, i           o, u, x, X            n
         hh                signed char    unsigned char         signed char *
         h                 short          unsigned short        short *
         l (ell)           long           unsigned long         long *
         ll (ell ell)      long long      unsigned long long    long long *
         j                 intmax_t       uintmax_t             intmax_t *
         t                 ptrdiff_t      (see note)            ptrdiff_t *
         z                 (see note)     size_t                (see note)
         q (deprecated)    quad_t         u_quad_t              quad_t *

Warner



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