From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@quanstro.net>
Date: Thu, 14 Feb 2013 16:15:25 -0500
To: 9fans@9fans.net
Message-ID: <d919cf445ee5bea75a3e5efa62d75d3a@ladd.quanstro.net>
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Subject: [9fans] why does this compile?
Topicbox-Message-UUID: 183d821a-ead8-11e9-9d60-3106f5b1d025

this is rejected by most other compilers because
rlogn is not initialized to a constant.  the value
returned is bizarre.

- erik

> #include <u.h>
> #include <libc.h>
>
> static char  rlog[24];
> static char *rloge = rlog + sizeof rlog;
> static char *rlogl = rlog + sizeof rlog - 1;
> static char *rlogn = rloge - 1;
>
> void
> main(int, char **)
> {
> 	print("%p %p %p %p\n", rlog, rlogl, rlogn, rloge);
> 	exits(nil);
> }