From: Tom Lane <tgl@sss.pgh.pa.us>
To: Thomas Munro <thomas.munro@gmail.com>
cc: Peter Eisentraut <peter@eisentraut.org>,
        Heikki Linnakangas <hlinnaka@iki.fi>,
        pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: Remove support for old realpath() API
In-reply-to: <487080.1723471518@sss.pgh.pa.us>
References: <9e638b49-5c3f-470f-a392-2cbedb2f7855@eisentraut.org> <188d0f5f-aed9-46b6-a9a6-eee55401f763@iki.fi> <fbe69baa-bda3-4e0a-ad7f-9d93838d2a92@eisentraut.org> <CA+hUKGLpmrr-vQHVWtMe-O=_AvS_CWWRJ+Y=UnGHd3P31S1RbQ@mail.gmail.com> <39571272-7ba3-4a95-880b-3f10a970baca@eisentraut.org> <487080.1723471518@sss.pgh.pa.us>
Comments: In-reply-to Tom Lane <tgl@sss.pgh.pa.us>
	message dated "Mon, 12 Aug 2024 10:05:18 -0400"
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Date: Mon, 12 Aug 2024 10:35:48 -0400
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I wrote:
> Peter Eisentraut <peter@eisentraut.org> writes:
>> Tom had tested this on and found that it does actually work on AIX 7.1 
>> and 7.3 but the documentation is wrong.

> I too have a distinct recollection of having tested this (using the
> gcc compile farm machines), but I cannot find anything saying so in
> the mailing list archives.  I can go check it again, I guess.

I can confirm that the attached program works on cfarm111 (AIX 7.1)
and cfarm119 (AIX 7.3), though "man realpath" denies it on both
systems.

I also found leftover test files demonstrating that I checked this
same point on Apr 26 2024, so I'm not sure why that didn't turn up
in a mail list search.

			regards, tom lane


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#include <stdio.h>
#include <stdlib.h>

int
main(int argc, char **argv)
{
	char *pth = realpath(argv[1], NULL);

	if (pth)
	{
		printf("successfully resolved \"%s\" as \"%s\"\n",
			   argv[1], pth);
		free(pth);
	}
	else
		perror("realpath");
	return 0;
}

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