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Re: Windows vs C99 (was Re: C99 compliance for src/port/snprintf.c)

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: Andres Freund <andres@anarazel.de>, sandeep.thakkar@enterprisedb.com, Thomas Munro <thomas.munro@enterprisedb.com>, David Steele <david@pgmasters.net>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2018-08-21T17:29:20Z
Lists: pgsql-hackers 
Peter Eisentraut <peter.eisentraut@2ndquadrant.com> writes:
> So, does anyone with Windows build experience want to comment on this?
> The proposal is to desupport anything older than (probably) MSVC 2013,
> or alternatively anything that cannot compile the attached test file.

We've got a buildfarm handy that could answer the question.
Let's just stick a test function in there for a day and see
which animals fail.

			regards, tom lane

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Remove test for VA_ARGS, implied by C99.

  2. Introduce minimal C99 usage to verify compiler support.

  3. Require C99 (and thus MSCV 2013 upwards).

  4. Require a C99-compliant snprintf(), and remove related workarounds.

  5. Try to enable C99 in configure, but do not rely on it (yet).

  6. Make snprintf.c follow the C99 standard for snprintf's result value.

  7. Clean up assorted misuses of snprintf()'s result value.