On Fri, Oct 20, 2023 at 3:04 PM Jayaprakash, N <n.jayaprak...@intel.com> wrote:
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4570
>
> This commit is for processing the below PR on edk2-libc repo
> https://github.com/tianocore/edk2-libc/pull/3
> These are the changes introduced to StdLib to build
> an application for the UEFI shell.
> Added format macros for int types to Aarch64, ARM, and Ia32.
> Also modified the X64 macros so that everything would build
> when they are used.
> Added some macros that can be used for compatibility that define when
> socklen_t has been defined.
> Added getopt_long parser from OpenBSD to provide long and
> short option parsing capability with getopt.

This patch is unreviewable. You'd think (from the subject) that it's
an ARM centric change, but it ends up being a whole squashed up
sequence of unrelated changes.
Please separate this into one commit per change.
>
> Cc: Rebecca Cran <rebe...@bsdio.com>
> Cc: Michael D Kinney <michael.d.kin...@intel.com>
> Cc: Jayaprakash N <n.jayaprak...@intel.com>
> Signed-off-by: Tyler Erickson <tyler.erick...@seagate.com>

AIUI, if this is Tyler's commit, you need a From: Tyler Erickson
<tyler.erick...@seagate.com> (since this is his commit?). Also
probably your own Signed-off-by, I'm not sure.

Lastly, you can't just take NetBSD's headers like this for one simple
reason: UNIX systems have used LP64 for ages, Windows systems use
LLP64. What does this mean?
UNIX (and thus, code compiled using gcc or clang
linux/netbsd/whatever) has sizeof(long) = 8 for 64-bit systems,
whereas in MSVC sizeof(long) = 4.

So macros like:
> #define PRIdPTR     "ld"    /* intptr_t     */
> #define PRIuPTR     "lu"    /* uintptr_t     */

etc, are not correct on MSVC.

Tip: since it's pretty safe, you can probably have two headers: 32-bit
architectures (ILP32, should not change between MSVC and GCC/clang)
and 64-bit architectures (LP64 on GCC/clang, LLP64 on MSVC). The same
goes for the other type-related headers (I have *no* idea if those are
correct).

-- 
Pedro


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