[PATCH] unify itoa
Denis Vlasenko
vda.linux at googlemail.com
Wed Jul 12 07:32:12 PDT 2006
On Tuesday 11 July 2006 21:42, Rob Landley wrote:
> > The version in current svn produces _most significant_ digits
> > if buffer is too small. IOW: utoa_to_buf_rob(100223,buf,3)=="10".
> > The usual practuce is to produce "23".
>
> If the buffer is too small it essentially produces garbage, we just don't want
> it to overflow and stomp memory it doesn't own.
Real-world example why we should do it:
printf("%02d:%02d\n", seconds/60, seconds);
Here user of sprintf deliberately uses the fact
that printf shows least significant digits,
not most significant ones.
--
vda
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