From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Peter Eisentraut <peter(at)eisentraut(dot)org>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: 64 bit numbers vs format strings |
Date: | 2025-03-17 11:50:40 |
Message-ID: | CA+hUKGLm5iM41n4yHFYy38Wsy1DcCju+3DuXPQK6dBpZwZ=9pA@mail.gmail.com |
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Thread: | |
Lists: | pgsql-hackers |
On Mon, Mar 17, 2025 at 11:52 PM Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> tmunro(at)s11-sparc:~/gettext-hacking$ gcc test.c
> tmunro(at)s11-sparc:~/gettext-hacking$ ./a.out
> la réponse est 42
And just to be paranoid, I checked a few more things: the .mo
definitely contains the literal "PRId64" (rearranged as
"^(at)PRId64^@the answer is %") and it's definitely using gettext() from
libc and not somehow automatically finding a GNU library in some
search path. (And woop, this cfarm Sun box has received the new
preadv()/pwritev() in its libc, that they added for PostgreSQL.)
And since I remembered that I had a NetBSD vagrant VM handy from
investigating Champion's libpq troubles the other day:
[vagrant(at)netbsd9 gettext-hacking]$ cc test.c -lintl
[vagrant(at)netbsd9 gettext-hacking]$ ldd a.out
a.out:
-lintl.1 => /usr/lib/libintl.so.1
-lc.12 => /usr/lib/libc.so.12
[vagrant(at)netbsd9 gettext-hacking]$ ./a.out
la réponse est 42
Not that I had much doubt but I checked that the library is indeed the
NetBSD code and not somehow GNU code, based on clearly identifiable
strings.
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