Hi,
On 2017-10-11 23:11:15 +0000, Andres Freund wrote:
> Add configure infrastructure to detect support for C99's restrict.
>
> Will be used in later commits improving performance for a few key
> routines where information about aliasing allows for significantly
> better code generation.
>
> This allows to use the C99 'restrict' keyword without breaking C89, or
> for that matter C++, compilers. If not supported it's defined to be
> empty.
Woodlouse doesn't like this, erroring out with:
C:\buildfarm\buildenv\HEAD\pgsql.build\src\include\libpq/pqformat.h(47): error C2219: syntax error : type qualifier
mustbe after '*' (src/backend/access/common/printsimple.c) [C:\buildfarm\buildenv\HEAD\pgsql.build\postgres.vcxproj]
It's MSVC being super peculiar about error checks. I think msvc is just
confused by the pointer hiding typedef. Using some online MSVC (and
other compilers) frontend:
https://godbolt.org/g/TD3nmA
I confirmed that removing the pointer hiding typedef indeed resolves the
isssue.
I can't quite decide whether msvc just has taste and dislikes pointer
hiding typedefs as much as I do, or whether it's incredibly stupid ;)
I'll add a comment and use StringInfoData *.
Greetings,
Andres Freund
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