On Wed, Oct 11, 2023 at 2:26 PM Ray Gardner wrote:
>
> On Oct 11, 2023 at 2:42 AM Rob Landley wrote:
> > On 10/10/23 17:46, Ray Gardner wrote:
> > > After seeing your comments about tsort in your blog, I thought about
> > > trying
> > > to implement Knuth's algorithm,
> >
> > Is that the
On Oct 11, 2023 at 2:42 AM Rob Landley wrote:
> On 10/10/23 17:46, Ray Gardner wrote:
> > After seeing your comments about tsort in your blog, I thought about
trying
> > to implement Knuth's algorithm,
>
> Is that the recommended algorithm here?
https://man.openbsd.org/tsort mentions Knuth's
I knew it from ibm mainframes and FEP's for aix, try this url for a
simple explanation, it's pretty basic what it does.
https://www.ibm.com/docs/da/aix/7.3?topic=t-tsort-command
scsijon
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On Wed, Oct 11, 2023 at 2:08 AM Rob Landley wrote:
>
> On 10/10/23 12:52, enh wrote:
> >> In theory ASAN should be able to spot that one! In practice, if it's a
> >> local
> >> variable on the stack, not so much.
> >
> > you can add `-ftrivial-auto-var-init=pattern` to your CFLAGS.
>
> $
On Wed, Oct 11, 2023 at 3:22 AM Rob Landley wrote:
>
> On 10/6/23 05:05, Rob Landley wrote:
> > Apparently the widest unicode characters are:
> >
> > 1. ﷽
> >
> > 2.
> >
> > 3. ∙
> >
> > 4. ⸻
> >
> > 5. ꧅
> >
> > The first 4 of which xfce's terminal does NOT like. And thunderbird fits the
> >
On Wed, Oct 11, 2023 at 1:42 AM Rob Landley wrote:
>
> On 10/10/23 17:46, Ray Gardner wrote:
> > After seeing your comments about tsort in your blog, I thought about trying
> > to
> > implement Knuth's algorithm,
>
> Is that the recommended algorithm here?
>
> $ grep -i knuth
On 10/6/23 05:05, Rob Landley wrote:
> Apparently the widest unicode characters are:
>
> 1. ﷽
>
> 2.
>
> 3. ∙
>
> 4. ⸻
>
> 5. ꧅
>
> The first 4 of which xfce's terminal does NOT like. And thunderbird fits the
> first one in 3 columns while vim's giving it... 9 I think.
And trying to add a
On 10/10/23 12:52, enh wrote:
>> In theory ASAN should be able to spot that one! In practice, if it's a local
>> variable on the stack, not so much.
>
> you can add `-ftrivial-auto-var-init=pattern` to your CFLAGS.
$ CFLAGS="-ftrivial-auto-var-init=pattern" ASAN=1 make clean defconfig tests
...
On 10/10/23 17:46, Ray Gardner wrote:
> After seeing your comments about tsort in your blog, I thought about trying to
> implement Knuth's algorithm,
Is that the recommended algorithm here?
$ grep -i knuth busybox/coreutils/tsort.c
$ grep -ir knuth busybox
On 10/9/23 19:53, Oliver Webb wrote:
>> I tested this. If I build toybox sed without ASAN the 1 megabyte search and
>> replace completes in 0.15 seconds. If I build it with ASAN, it takes 29.35
>> seconds. The gcc address sanitizer is slowing sed down 200 times.
>
> Huh, now sed passes it's tests
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