Re: is there small mistake in lib/vsprintf.c of kernel 2.4.20 ?

[viro@parcelfarce.linux.theplanet.co.uk]

On Fri, May 02, 2003 at 11:42:36AM +0200, Bodo Rzany wrote:

> > IOW, %d _does_ mean base=10.  base=0 is %i.  That goes both for kernel and
> > userland implementations of scanf family (and for any standard-compliant
> > implementation, for that matter).
> 
> As I can see, 'base=10' is used for all conversions except for '%x' and
> '%o'. If '%i' or '%u' are given, base should be really set to 0, what is
> not the case (it is fixed to 10 instead!).

Sorry - in 2.4 it's really broken.  What we should have:
%d	->	10
%i	->	0
%o	->	8
%u	->	10
%x	->	16
(note: %u is decimal-only; see manpage).

Fix (2.4-only, 2.5 is OK as it is):

--- S21-rc1/lib/vsprintf.c	Fri Jul 12 11:25:33 2002
+++ /tmp/vsprintf.c	Fri May  2 05:46:07 2003
@@ -616,8 +616,9 @@
 		case 'X':
 			base = 16;
 			break;
-		case 'd':
 		case 'i':
+			base = 0;
+		case 'd':
 			is_sign = 1;
 		case 'u':
 			break;