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

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: Sandeep Thakkar <sandeep.thakkar@enterprisedb.com>, Andrew Dunstan <andrew.dunstan@2ndquadrant.com>, "Joshua D. Drake" <jd@commandprompt.com>, Tom Lane <tgl@sss.pgh.pa.us>, Thomas Munro <thomas.munro@enterprisedb.com>, David Steele <david@pgmasters.net>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Craig Ringer <craig@2ndquadrant.com>
Date: 2018-08-24T01:44:34Z
Lists: pgsql-hackers 
On 2018-08-23 22:02:26 +0200, Peter Eisentraut wrote:
> On 23/08/2018 03:31, Andres Freund wrote:
> > On 2018-08-22 17:09:05 -0700, Andres Freund wrote:
> >> Attached is a version doing so.
> > 
> > Mildly updated version attached. This adds an explanatory commit
> > message, removes one stray docs C89 reference, and fixes a mis-squashing
> > of a patch.
> 
> Let's do it!

Pushed the first two.  I'll send the presumably affected buildfarm
owners an email, asking them whether they want to update.


Greetings,

Andres Freund

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.