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Date: Tue, 14 Dec 2021 17:03:27 +0100
From: Szabolcs Nagy <nsz@...t70.net>
To: Andrew Snyder <arsnyder16@...il.com>
Cc: musl@...ts.openwall.com
Subject: Re: print does not support variable width plus padding
* Andrew Snyder <arsnyder16@...il.com> [2021-12-14 10:22:42 -0500]:
> I would like to be cc'd on the replies
>
> Looks like a bug in the musl printf functionality
>
> When using variable width format string and specifying a padding musl fails
> to format properly.
>
> I am using musl indirectly through an emscripten compile of a native
> library.
>
> Consider the following repro steps using alpine docker image. Correct
> results exist when using ubuntu image
>
> # Correct expected ' 1'
> docker run -it --rm alpine printf %2i 1
> # Correct expected ' 1'
> docker run -it --rm alpine printf %*i 2 1
> # Correct expected '01'
> docker run -it --rm alpine printf %02i 1
> # errors, Expected '01'
> docker run -it --rm alpine printf %0*i 2 1
i get the expected result on alpine
$ printf %0*i 2 1
01
what do you get?
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