RE: [PATCH v3] Many pages: Document fixed-width types with ISO C naming

David Laight
2022-08-25T15:04:15Z

From: Joseph Myers
> Sent: 25 August 2022 15:39
>
> On Thu, 25 Aug 2022, Linus Torvalds wrote:
>
> > That's a small detail that yes, we've tried to avoid the absolute
> > humongous mess that the C standard library has with their horrendous
> > 'PRId*' mess, but honestly, it's just a tiny detail.
>
> I've not yet implemented it for glibc or for GCC format checking, but C23
> adds 'wN' format length modifiers so you will be able to e.g. use "%w64d"
> with printf to print an int64_t and won't need those PRI macros any more.

Is that meant to work regardless of whether the type is
int, long or long long provided the size is correct?

Or does it require the compiler know which type inttypes.h
uses for uint32_t and uint64_t?

David

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