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SubjectRe: [PATCH v4 12/20] vsprintf: add new `%pA` format specifier
On Sat, Feb 12, 2022 at 02:03:38PM +0100, Miguel Ojeda wrote:

> From: Gary Guo <gary@garyguo.net>

Not sure I understand this...

> This patch adds a format specifier `%pA` to `vsprintf` which formats
> a pointer as `core::fmt::Arguments`. Doing so allows us to directly
> format to the internal buffer of `printf`, so we do not have to use
> a temporary buffer on the stack to pre-assemble the message on
> the Rust side.
>
> This specifier is intended only to be used from Rust and not for C, so
> `checkpatch.pl` is intentionally unchanged to catch any misuse.
>
> Co-developed-by: Alex Gaynor <alex.gaynor@gmail.com>
> Signed-off-by: Alex Gaynor <alex.gaynor@gmail.com>
> Co-developed-by: Wedson Almeida Filho <wedsonaf@google.com>
> Signed-off-by: Wedson Almeida Filho <wedsonaf@google.com>

> Signed-off-by: Gary Guo <gary@garyguo.net>

...together with this in the current SoB chain.

> Co-developed-by: Miguel Ojeda <ojeda@kernel.org>
> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

I'm wondering if you considered to use %pV.

--
With Best Regards,
Andy Shevchenko


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